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[NFC][InstCombine] Autogenerate a few tests being affected by an upcoming patch
This commit is contained in:
Roman Lebedev
parent
9f25ff7107
commit
19460feaba
@ -1,3 +1,4 @@
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S < %s -instcombine | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
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@ -6,9 +7,11 @@ target triple = "x86_64-apple-macosx10.7.0"
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; Check transforms involving atomic operations
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define i32 @test1(i32* %p) {
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; CHECK-LABEL: define i32 @test1(
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; CHECK: %x = load atomic i32, i32* %p seq_cst, align 4
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; CHECK: shl i32 %x, 1
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: [[X:%.*]] = load atomic i32, i32* [[P:%.*]] seq_cst, align 4
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; CHECK-NEXT: [[Z:%.*]] = shl i32 [[X]], 1
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; CHECK-NEXT: ret i32 [[Z]]
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;
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%x = load atomic i32, i32* %p seq_cst, align 4
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%y = load i32, i32* %p, align 4
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%z = add i32 %x, %y
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@ -16,9 +19,12 @@ define i32 @test1(i32* %p) {
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}
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define i32 @test2(i32* %p) {
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; CHECK-LABEL: define i32 @test2(
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; CHECK: %x = load volatile i32, i32* %p, align 4
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; CHECK: %y = load volatile i32, i32* %p, align 4
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; CHECK-LABEL: @test2(
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; CHECK-NEXT: [[X:%.*]] = load volatile i32, i32* [[P:%.*]], align 4
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; CHECK-NEXT: [[Y:%.*]] = load volatile i32, i32* [[P]], align 4
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; CHECK-NEXT: [[Z:%.*]] = add i32 [[X]], [[Y]]
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; CHECK-NEXT: ret i32 [[Z]]
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;
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%x = load volatile i32, i32* %p, align 4
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%y = load volatile i32, i32* %p, align 4
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%z = add i32 %x, %y
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@ -29,8 +35,11 @@ define i32 @test2(i32* %p) {
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; memory location are a bit unclear, but conservatively, we know we don't
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; want to remove the volatile.
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define i32 @test3(i32* %p) {
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; CHECK-LABEL: define i32 @test3(
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; CHECK: %x = load volatile i32, i32* %p, align 4
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; CHECK-LABEL: @test3(
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; CHECK-NEXT: [[X:%.*]] = load volatile i32, i32* [[P:%.*]], align 4
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; CHECK-NEXT: [[Z:%.*]] = shl i32 [[X]], 1
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; CHECK-NEXT: ret i32 [[Z]]
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;
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%x = load volatile i32, i32* %p, align 4
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%y = load i32, i32* %p, align 4
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%z = add i32 %x, %y
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@ -39,21 +48,26 @@ define i32 @test3(i32* %p) {
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; Forwarding from a stronger ordered atomic is fine
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define i32 @test4(i32* %p) {
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; CHECK-LABEL: define i32 @test4(
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; CHECK: %x = load atomic i32, i32* %p seq_cst, align 4
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; CHECK: shl i32 %x, 1
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; CHECK-LABEL: @test4(
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; CHECK-NEXT: [[X:%.*]] = load atomic i32, i32* [[P:%.*]] seq_cst, align 4
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; CHECK-NEXT: [[Z:%.*]] = shl i32 [[X]], 1
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; CHECK-NEXT: ret i32 [[Z]]
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;
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%x = load atomic i32, i32* %p seq_cst, align 4
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%y = load atomic i32, i32* %p unordered, align 4
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%z = add i32 %x, %y
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ret i32 %z
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}
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; Forwarding from a non-atomic is not. (The earlier load
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; could in priciple be promoted to atomic and then forwarded,
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; Forwarding from a non-atomic is not. (The earlier load
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; could in priciple be promoted to atomic and then forwarded,
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; but we can't just drop the atomic from the load.)
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define i32 @test5(i32* %p) {
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; CHECK-LABEL: define i32 @test5(
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; CHECK: %x = load atomic i32, i32* %p unordered, align 4
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; CHECK-LABEL: @test5(
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; CHECK-NEXT: [[X:%.*]] = load atomic i32, i32* [[P:%.*]] unordered, align 4
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; CHECK-NEXT: [[Z:%.*]] = shl i32 [[X]], 1
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; CHECK-NEXT: ret i32 [[Z]]
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;
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%x = load atomic i32, i32* %p unordered, align 4
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%y = load i32, i32* %p, align 4
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%z = add i32 %x, %y
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@ -62,9 +76,11 @@ define i32 @test5(i32* %p) {
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; Forwarding atomic to atomic is fine
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define i32 @test6(i32* %p) {
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; CHECK-LABEL: define i32 @test6(
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; CHECK: %x = load atomic i32, i32* %p unordered, align 4
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; CHECK: shl i32 %x, 1
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; CHECK-LABEL: @test6(
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; CHECK-NEXT: [[X:%.*]] = load atomic i32, i32* [[P:%.*]] unordered, align 4
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; CHECK-NEXT: [[Z:%.*]] = shl i32 [[X]], 1
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; CHECK-NEXT: ret i32 [[Z]]
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;
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%x = load atomic i32, i32* %p unordered, align 4
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%y = load atomic i32, i32* %p unordered, align 4
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%z = add i32 %x, %y
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@ -73,9 +89,12 @@ define i32 @test6(i32* %p) {
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; FIXME: we currently don't do anything for monotonic
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define i32 @test7(i32* %p) {
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; CHECK-LABEL: define i32 @test7(
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; CHECK: %x = load atomic i32, i32* %p seq_cst, align 4
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; CHECK: %y = load atomic i32, i32* %p monotonic, align 4
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; CHECK-LABEL: @test7(
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; CHECK-NEXT: [[X:%.*]] = load atomic i32, i32* [[P:%.*]] seq_cst, align 4
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; CHECK-NEXT: [[Y:%.*]] = load atomic i32, i32* [[P]] monotonic, align 4
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; CHECK-NEXT: [[Z:%.*]] = add i32 [[X]], [[Y]]
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; CHECK-NEXT: ret i32 [[Z]]
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;
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%x = load atomic i32, i32* %p seq_cst, align 4
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%y = load atomic i32, i32* %p monotonic, align 4
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%z = add i32 %x, %y
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@ -84,9 +103,12 @@ define i32 @test7(i32* %p) {
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; FIXME: We could forward in racy code
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define i32 @test8(i32* %p) {
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; CHECK-LABEL: define i32 @test8(
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; CHECK: %x = load atomic i32, i32* %p seq_cst, align 4
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; CHECK: %y = load atomic i32, i32* %p acquire, align 4
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; CHECK-LABEL: @test8(
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; CHECK-NEXT: [[X:%.*]] = load atomic i32, i32* [[P:%.*]] seq_cst, align 4
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; CHECK-NEXT: [[Y:%.*]] = load atomic i32, i32* [[P]] acquire, align 4
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; CHECK-NEXT: [[Z:%.*]] = add i32 [[X]], [[Y]]
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; CHECK-NEXT: ret i32 [[Z]]
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;
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%x = load atomic i32, i32* %p seq_cst, align 4
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%y = load atomic i32, i32* %p acquire, align 4
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%z = add i32 %x, %y
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@ -96,45 +118,57 @@ define i32 @test8(i32* %p) {
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; An unordered access to null is still unreachable. There's no
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; ordering imposed.
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define i32 @test9() {
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; CHECK-LABEL: define i32 @test9(
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; CHECK: store i32 undef, i32* null
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; CHECK-LABEL: @test9(
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; CHECK-NEXT: store i32 undef, i32* null, align 536870912
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; CHECK-NEXT: ret i32 undef
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;
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%x = load atomic i32, i32* null unordered, align 4
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ret i32 %x
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}
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define i32 @test9_no_null_opt() #0 {
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; CHECK-LABEL: define i32 @test9_no_null_opt(
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; CHECK: load atomic i32, i32* null unordered
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; CHECK-LABEL: @test9_no_null_opt(
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; CHECK-NEXT: [[X:%.*]] = load atomic i32, i32* null unordered, align 536870912
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; CHECK-NEXT: ret i32 [[X]]
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;
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%x = load atomic i32, i32* null unordered, align 4
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ret i32 %x
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}
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; FIXME: Could also fold
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define i32 @test10() {
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; CHECK-LABEL: define i32 @test10(
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; CHECK: load atomic i32, i32* null monotonic
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; CHECK-LABEL: @test10(
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; CHECK-NEXT: [[X:%.*]] = load atomic i32, i32* null monotonic, align 536870912
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; CHECK-NEXT: ret i32 [[X]]
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;
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%x = load atomic i32, i32* null monotonic, align 4
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ret i32 %x
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}
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define i32 @test10_no_null_opt() #0 {
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; CHECK-LABEL: define i32 @test10_no_null_opt(
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; CHECK: load atomic i32, i32* null monotonic
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; CHECK-LABEL: @test10_no_null_opt(
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; CHECK-NEXT: [[X:%.*]] = load atomic i32, i32* null monotonic, align 536870912
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; CHECK-NEXT: ret i32 [[X]]
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;
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%x = load atomic i32, i32* null monotonic, align 4
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ret i32 %x
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}
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; Would this be legal to fold? Probably?
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define i32 @test11() {
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; CHECK-LABEL: define i32 @test11(
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; CHECK: load atomic i32, i32* null seq_cst
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; CHECK-LABEL: @test11(
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; CHECK-NEXT: [[X:%.*]] = load atomic i32, i32* null seq_cst, align 536870912
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; CHECK-NEXT: ret i32 [[X]]
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;
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%x = load atomic i32, i32* null seq_cst, align 4
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ret i32 %x
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}
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define i32 @test11_no_null_opt() #0 {
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; CHECK-LABEL: define i32 @test11_no_null_opt(
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; CHECK: load atomic i32, i32* null seq_cst
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; CHECK-LABEL: @test11_no_null_opt(
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; CHECK-NEXT: [[X:%.*]] = load atomic i32, i32* null seq_cst, align 536870912
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; CHECK-NEXT: ret i32 [[X]]
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;
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%x = load atomic i32, i32* null seq_cst, align 4
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ret i32 %x
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}
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@ -142,45 +176,57 @@ define i32 @test11_no_null_opt() #0 {
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; An unordered access to null is still unreachable. There's no
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; ordering imposed.
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define i32 @test12() {
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; CHECK-LABEL: define i32 @test12(
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; CHECK: store atomic i32 undef, i32* null
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; CHECK-LABEL: @test12(
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; CHECK-NEXT: store atomic i32 undef, i32* null unordered, align 536870912
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; CHECK-NEXT: ret i32 0
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;
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store atomic i32 0, i32* null unordered, align 4
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ret i32 0
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}
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define i32 @test12_no_null_opt() #0 {
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; CHECK-LABEL: define i32 @test12_no_null_opt(
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; CHECK: store atomic i32 0, i32* null unordered
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; CHECK-LABEL: @test12_no_null_opt(
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; CHECK-NEXT: store atomic i32 0, i32* null unordered, align 536870912
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; CHECK-NEXT: ret i32 0
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;
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store atomic i32 0, i32* null unordered, align 4
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ret i32 0
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}
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; FIXME: Could also fold
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define i32 @test13() {
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; CHECK-LABEL: define i32 @test13(
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; CHECK: store atomic i32 0, i32* null monotonic
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; CHECK-LABEL: @test13(
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; CHECK-NEXT: store atomic i32 0, i32* null monotonic, align 536870912
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; CHECK-NEXT: ret i32 0
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;
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store atomic i32 0, i32* null monotonic, align 4
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ret i32 0
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}
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define i32 @test13_no_null_opt() #0 {
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; CHECK-LABEL: define i32 @test13_no_null_opt(
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; CHECK: store atomic i32 0, i32* null monotonic
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; CHECK-LABEL: @test13_no_null_opt(
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; CHECK-NEXT: store atomic i32 0, i32* null monotonic, align 536870912
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; CHECK-NEXT: ret i32 0
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;
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store atomic i32 0, i32* null monotonic, align 4
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ret i32 0
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}
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; Would this be legal to fold? Probably?
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define i32 @test14() {
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; CHECK-LABEL: define i32 @test14(
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; CHECK: store atomic i32 0, i32* null seq_cst
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; CHECK-LABEL: @test14(
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; CHECK-NEXT: store atomic i32 0, i32* null seq_cst, align 536870912
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; CHECK-NEXT: ret i32 0
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;
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store atomic i32 0, i32* null seq_cst, align 4
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ret i32 0
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}
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define i32 @test14_no_null_opt() #0 {
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; CHECK-LABEL: define i32 @test14_no_null_opt(
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; CHECK: store atomic i32 0, i32* null seq_cst
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; CHECK-LABEL: @test14_no_null_opt(
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; CHECK-NEXT: store atomic i32 0, i32* null seq_cst, align 536870912
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; CHECK-NEXT: ret i32 0
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;
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store atomic i32 0, i32* null seq_cst, align 4
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ret i32 0
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}
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@ -189,9 +235,12 @@ define i32 @test14_no_null_opt() #0 {
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@b = external global i32
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define i32 @test15(i1 %cnd) {
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; CHECK-LABEL: define i32 @test15(
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; CHECK: load atomic i32, i32* @a unordered, align 4
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; CHECK: load atomic i32, i32* @b unordered, align 4
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; CHECK-LABEL: @test15(
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; CHECK-NEXT: [[A_VAL:%.*]] = load atomic i32, i32* @a unordered, align 4
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; CHECK-NEXT: [[B_VAL:%.*]] = load atomic i32, i32* @b unordered, align 4
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; CHECK-NEXT: [[X:%.*]] = select i1 [[CND:%.*]], i32 [[A_VAL]], i32 [[B_VAL]]
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; CHECK-NEXT: ret i32 [[X]]
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;
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%addr = select i1 %cnd, i32* @a, i32* @b
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%x = load atomic i32, i32* %addr unordered, align 4
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ret i32 %x
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@ -199,8 +248,11 @@ define i32 @test15(i1 %cnd) {
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; FIXME: This would be legal to transform
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define i32 @test16(i1 %cnd) {
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; CHECK-LABEL: define i32 @test16(
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; CHECK: load atomic i32, i32* %addr monotonic, align 4
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; CHECK-LABEL: @test16(
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; CHECK-NEXT: [[ADDR:%.*]] = select i1 [[CND:%.*]], i32* @a, i32* @b
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; CHECK-NEXT: [[X:%.*]] = load atomic i32, i32* [[ADDR]] monotonic, align 4
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; CHECK-NEXT: ret i32 [[X]]
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;
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%addr = select i1 %cnd, i32* @a, i32* @b
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%x = load atomic i32, i32* %addr monotonic, align 4
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ret i32 %x
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@ -208,17 +260,28 @@ define i32 @test16(i1 %cnd) {
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; FIXME: This would be legal to transform
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define i32 @test17(i1 %cnd) {
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; CHECK-LABEL: define i32 @test17(
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; CHECK: load atomic i32, i32* %addr seq_cst, align 4
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; CHECK-LABEL: @test17(
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; CHECK-NEXT: [[ADDR:%.*]] = select i1 [[CND:%.*]], i32* @a, i32* @b
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; CHECK-NEXT: [[X:%.*]] = load atomic i32, i32* [[ADDR]] seq_cst, align 4
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; CHECK-NEXT: ret i32 [[X]]
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;
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%addr = select i1 %cnd, i32* @a, i32* @b
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%x = load atomic i32, i32* %addr seq_cst, align 4
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ret i32 %x
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}
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define i32 @test22(i1 %cnd) {
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; CHECK-LABEL: define i32 @test22(
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; CHECK: [[PHI:%.*]] = phi i32
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; CHECK: store atomic i32 [[PHI]], i32* @a unordered, align 4
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; CHECK-LABEL: @test22(
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; CHECK-NEXT: br i1 [[CND:%.*]], label [[BLOCK1:%.*]], label [[BLOCK2:%.*]]
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; CHECK: block1:
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; CHECK-NEXT: br label [[MERGE:%.*]]
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; CHECK: block2:
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; CHECK-NEXT: br label [[MERGE]]
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; CHECK: merge:
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; CHECK-NEXT: [[STOREMERGE:%.*]] = phi i32 [ 2, [[BLOCK2]] ], [ 1, [[BLOCK1]] ]
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; CHECK-NEXT: store atomic i32 [[STOREMERGE]], i32* @a unordered, align 4
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; CHECK-NEXT: ret i32 0
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;
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br i1 %cnd, label %block1, label %block2
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block1:
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@ -234,8 +297,17 @@ merge:
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; TODO: probably also legal here
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define i32 @test23(i1 %cnd) {
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; CHECK-LABEL: define i32 @test23(
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; CHECK: br i1 %cnd, label %block1, label %block2
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; CHECK-LABEL: @test23(
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; CHECK-NEXT: br i1 [[CND:%.*]], label [[BLOCK1:%.*]], label [[BLOCK2:%.*]]
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; CHECK: block1:
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; CHECK-NEXT: store atomic i32 1, i32* @a monotonic, align 4
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; CHECK-NEXT: br label [[MERGE:%.*]]
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; CHECK: block2:
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; CHECK-NEXT: store atomic i32 2, i32* @a monotonic, align 4
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; CHECK-NEXT: br label [[MERGE]]
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; CHECK: merge:
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; CHECK-NEXT: ret i32 0
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;
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br i1 %cnd, label %block1, label %block2
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block1:
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@ -252,9 +324,14 @@ merge:
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declare void @clobber()
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define i32 @test18(float* %p) {
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; CHECK-LABEL: define i32 @test18(
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; CHECK: load atomic i32, i32* [[A:%.*]] unordered, align 4
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; CHECK: store atomic i32 [[B:%.*]], i32* [[C:%.*]] unordered, align 4
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; CHECK-LABEL: @test18(
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; CHECK-NEXT: [[TMP1:%.*]] = bitcast float* [[P:%.*]] to i32*
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; CHECK-NEXT: [[X1:%.*]] = load atomic i32, i32* [[TMP1]] unordered, align 4
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; CHECK-NEXT: call void @clobber()
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; CHECK-NEXT: [[TMP2:%.*]] = bitcast float* [[P]] to i32*
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; CHECK-NEXT: store atomic i32 [[X1]], i32* [[TMP2]] unordered, align 4
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; CHECK-NEXT: ret i32 0
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;
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%x = load atomic float, float* %p unordered, align 4
|
||||
call void @clobber() ;; keep the load around
|
||||
store atomic float %x, float* %p unordered, align 4
|
||||
@ -263,9 +340,12 @@ define i32 @test18(float* %p) {
|
||||
|
||||
; TODO: probably also legal in this case
|
||||
define i32 @test19(float* %p) {
|
||||
; CHECK-LABEL: define i32 @test19(
|
||||
; CHECK: load atomic float, float* %p seq_cst, align 4
|
||||
; CHECK: store atomic float %x, float* %p seq_cst, align 4
|
||||
; CHECK-LABEL: @test19(
|
||||
; CHECK-NEXT: [[X:%.*]] = load atomic float, float* [[P:%.*]] seq_cst, align 4
|
||||
; CHECK-NEXT: call void @clobber()
|
||||
; CHECK-NEXT: store atomic float [[X]], float* [[P]] seq_cst, align 4
|
||||
; CHECK-NEXT: ret i32 0
|
||||
;
|
||||
%x = load atomic float, float* %p seq_cst, align 4
|
||||
call void @clobber() ;; keep the load around
|
||||
store atomic float %x, float* %p seq_cst, align 4
|
||||
@ -273,57 +353,74 @@ define i32 @test19(float* %p) {
|
||||
}
|
||||
|
||||
define i32 @test20(i32** %p, i8* %v) {
|
||||
; CHECK-LABEL: define i32 @test20(
|
||||
; CHECK: store atomic i8* %v, i8** [[D:%.*]] unordered, align 4
|
||||
; CHECK-LABEL: @test20(
|
||||
; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32** [[P:%.*]] to i8**
|
||||
; CHECK-NEXT: store atomic i8* [[V:%.*]], i8** [[TMP1]] unordered, align 4
|
||||
; CHECK-NEXT: ret i32 0
|
||||
;
|
||||
%cast = bitcast i8* %v to i32*
|
||||
store atomic i32* %cast, i32** %p unordered, align 4
|
||||
ret i32 0
|
||||
}
|
||||
|
||||
define i32 @test21(i32** %p, i8* %v) {
|
||||
; CHECK-LABEL: define i32 @test21(
|
||||
; CHECK: store atomic i32* %cast, i32** %p monotonic, align 4
|
||||
; CHECK-LABEL: @test21(
|
||||
; CHECK-NEXT: [[CAST:%.*]] = bitcast i8* [[V:%.*]] to i32*
|
||||
; CHECK-NEXT: store atomic i32* [[CAST]], i32** [[P:%.*]] monotonic, align 4
|
||||
; CHECK-NEXT: ret i32 0
|
||||
;
|
||||
%cast = bitcast i8* %v to i32*
|
||||
store atomic i32* %cast, i32** %p monotonic, align 4
|
||||
ret i32 0
|
||||
}
|
||||
|
||||
define void @pr27490a(i8** %p1, i8** %p2) {
|
||||
; CHECK-LABEL: define void @pr27490
|
||||
; CHECK: %1 = bitcast i8** %p1 to i64*
|
||||
; CHECK: %l1 = load i64, i64* %1, align 8
|
||||
; CHECK: %2 = bitcast i8** %p2 to i64*
|
||||
; CHECK: store volatile i64 %l1, i64* %2, align 8
|
||||
; CHECK-LABEL: @pr27490a(
|
||||
; CHECK-NEXT: [[TMP1:%.*]] = bitcast i8** [[P1:%.*]] to i64*
|
||||
; CHECK-NEXT: [[L1:%.*]] = load i64, i64* [[TMP1]], align 8
|
||||
; CHECK-NEXT: [[TMP2:%.*]] = bitcast i8** [[P2:%.*]] to i64*
|
||||
; CHECK-NEXT: store volatile i64 [[L1]], i64* [[TMP2]], align 8
|
||||
; CHECK-NEXT: ret void
|
||||
;
|
||||
%l = load i8*, i8** %p1
|
||||
store volatile i8* %l, i8** %p2
|
||||
ret void
|
||||
}
|
||||
|
||||
define void @pr27490b(i8** %p1, i8** %p2) {
|
||||
; CHECK-LABEL: define void @pr27490
|
||||
; CHECK: %1 = bitcast i8** %p1 to i64*
|
||||
; CHECK: %l1 = load i64, i64* %1, align 8
|
||||
; CHECK: %2 = bitcast i8** %p2 to i64*
|
||||
; CHECK: store atomic i64 %l1, i64* %2 seq_cst, align 8
|
||||
; CHECK-LABEL: @pr27490b(
|
||||
; CHECK-NEXT: [[TMP1:%.*]] = bitcast i8** [[P1:%.*]] to i64*
|
||||
; CHECK-NEXT: [[L1:%.*]] = load i64, i64* [[TMP1]], align 8
|
||||
; CHECK-NEXT: [[TMP2:%.*]] = bitcast i8** [[P2:%.*]] to i64*
|
||||
; CHECK-NEXT: store atomic i64 [[L1]], i64* [[TMP2]] seq_cst, align 8
|
||||
; CHECK-NEXT: ret void
|
||||
;
|
||||
%l = load i8*, i8** %p1
|
||||
store atomic i8* %l, i8** %p2 seq_cst, align 8
|
||||
ret void
|
||||
}
|
||||
|
||||
;; At the moment, we can't form atomic vectors by folding since these are
|
||||
;; At the moment, we can't form atomic vectors by folding since these are
|
||||
;; not representable in the IR. This was pr29121. The right long term
|
||||
;; solution is to extend the IR to handle this case.
|
||||
define <2 x float> @no_atomic_vector_load(i64* %p) {
|
||||
; CHECK-LABEL: @no_atomic_vector_load
|
||||
; CHECK: load atomic i64, i64* %p unordered, align 8
|
||||
; CHECK-LABEL: @no_atomic_vector_load(
|
||||
; CHECK-NEXT: [[LOAD:%.*]] = load atomic i64, i64* [[P:%.*]] unordered, align 8
|
||||
; CHECK-NEXT: [[DOTCAST:%.*]] = bitcast i64 [[LOAD]] to <2 x float>
|
||||
; CHECK-NEXT: ret <2 x float> [[DOTCAST]]
|
||||
;
|
||||
%load = load atomic i64, i64* %p unordered, align 8
|
||||
%.cast = bitcast i64 %load to <2 x float>
|
||||
ret <2 x float> %.cast
|
||||
}
|
||||
|
||||
define void @no_atomic_vector_store(<2 x float> %p, i8* %p2) {
|
||||
; CHECK-LABEL: @no_atomic_vector_store
|
||||
; CHECK: store atomic i64 %1, i64* %2 unordered, align 8
|
||||
; CHECK-LABEL: @no_atomic_vector_store(
|
||||
; CHECK-NEXT: [[TMP1:%.*]] = bitcast <2 x float> [[P:%.*]] to i64
|
||||
; CHECK-NEXT: [[TMP2:%.*]] = bitcast i8* [[P2:%.*]] to i64*
|
||||
; CHECK-NEXT: store atomic i64 [[TMP1]], i64* [[TMP2]] unordered, align 8
|
||||
; CHECK-NEXT: ret void
|
||||
;
|
||||
%1 = bitcast <2 x float> %p to i64
|
||||
%2 = bitcast i8* %p2 to i64*
|
||||
store atomic i64 %1, i64* %2 unordered, align 8
|
||||
|
||||
@ -1,3 +1,4 @@
|
||||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||||
; RUN: opt -instcombine -S < %s | FileCheck %s
|
||||
|
||||
target datalayout = "e-m:e-p:64:64:64-i64:64-f80:128-n8:16:32:64-S128"
|
||||
@ -5,7 +6,11 @@ target datalayout = "e-m:e-p:64:64:64-i64:64-f80:128-n8:16:32:64-S128"
|
||||
define i32 @test_load_cast_combine_tbaa(float* %ptr) {
|
||||
; Ensure (cast (load (...))) -> (load (cast (...))) preserves TBAA.
|
||||
; CHECK-LABEL: @test_load_cast_combine_tbaa(
|
||||
; CHECK: load i32, i32* %{{.*}}, !tbaa !0
|
||||
; CHECK-NEXT: entry:
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = bitcast float* [[PTR:%.*]] to i32*
|
||||
; CHECK-NEXT: [[L1:%.*]] = load i32, i32* [[TMP0]], align 4, [[TBAA0:!tbaa !.*]]
|
||||
; CHECK-NEXT: ret i32 [[L1]]
|
||||
;
|
||||
entry:
|
||||
%l = load float, float* %ptr, !tbaa !0
|
||||
%c = bitcast float %l to i32
|
||||
@ -15,7 +20,11 @@ entry:
|
||||
define i32 @test_load_cast_combine_noalias(float* %ptr) {
|
||||
; Ensure (cast (load (...))) -> (load (cast (...))) preserves no-alias metadata.
|
||||
; CHECK-LABEL: @test_load_cast_combine_noalias(
|
||||
; CHECK: load i32, i32* %{{.*}}, !alias.scope !3, !noalias !4
|
||||
; CHECK-NEXT: entry:
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = bitcast float* [[PTR:%.*]] to i32*
|
||||
; CHECK-NEXT: [[L1:%.*]] = load i32, i32* [[TMP0]], align 4, !alias.scope !3, !noalias !4
|
||||
; CHECK-NEXT: ret i32 [[L1]]
|
||||
;
|
||||
entry:
|
||||
%l = load float, float* %ptr, !alias.scope !3, !noalias !4
|
||||
%c = bitcast float %l to i32
|
||||
@ -27,9 +36,11 @@ define float @test_load_cast_combine_range(i32* %ptr) {
|
||||
; would be nice to preserve or update it somehow but this is hard when moving
|
||||
; between types.
|
||||
; CHECK-LABEL: @test_load_cast_combine_range(
|
||||
; CHECK: load float, float* %{{.*}}
|
||||
; CHECK-NOT: !range
|
||||
; CHECK: ret float
|
||||
; CHECK-NEXT: entry:
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32* [[PTR:%.*]] to float*
|
||||
; CHECK-NEXT: [[L1:%.*]] = load float, float* [[TMP0]], align 4
|
||||
; CHECK-NEXT: ret float [[L1]]
|
||||
;
|
||||
entry:
|
||||
%l = load i32, i32* %ptr, !range !5
|
||||
%c = bitcast i32 %l to float
|
||||
@ -39,7 +50,11 @@ entry:
|
||||
define i32 @test_load_cast_combine_invariant(float* %ptr) {
|
||||
; Ensure (cast (load (...))) -> (load (cast (...))) preserves invariant metadata.
|
||||
; CHECK-LABEL: @test_load_cast_combine_invariant(
|
||||
; CHECK: load i32, i32* %{{.*}}, !invariant.load !7
|
||||
; CHECK-NEXT: entry:
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = bitcast float* [[PTR:%.*]] to i32*
|
||||
; CHECK-NEXT: [[L1:%.*]] = load i32, i32* [[TMP0]], align 4, !invariant.load !7
|
||||
; CHECK-NEXT: ret i32 [[L1]]
|
||||
;
|
||||
entry:
|
||||
%l = load float, float* %ptr, !invariant.load !6
|
||||
%c = bitcast float %l to i32
|
||||
@ -50,7 +65,11 @@ define i32 @test_load_cast_combine_nontemporal(float* %ptr) {
|
||||
; Ensure (cast (load (...))) -> (load (cast (...))) preserves nontemporal
|
||||
; metadata.
|
||||
; CHECK-LABEL: @test_load_cast_combine_nontemporal(
|
||||
; CHECK: load i32, i32* %{{.*}}, !nontemporal !8
|
||||
; CHECK-NEXT: entry:
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = bitcast float* [[PTR:%.*]] to i32*
|
||||
; CHECK-NEXT: [[L1:%.*]] = load i32, i32* [[TMP0]], align 4, !nontemporal !8
|
||||
; CHECK-NEXT: ret i32 [[L1]]
|
||||
;
|
||||
entry:
|
||||
%l = load float, float* %ptr, !nontemporal !7
|
||||
%c = bitcast float %l to i32
|
||||
@ -61,7 +80,11 @@ define i8* @test_load_cast_combine_align(i32** %ptr) {
|
||||
; Ensure (cast (load (...))) -> (load (cast (...))) preserves align
|
||||
; metadata.
|
||||
; CHECK-LABEL: @test_load_cast_combine_align(
|
||||
; CHECK: load i8*, i8** %{{.*}}, !align !9
|
||||
; CHECK-NEXT: entry:
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32** [[PTR:%.*]] to i8**
|
||||
; CHECK-NEXT: [[L1:%.*]] = load i8*, i8** [[TMP0]], align 8, !align !9
|
||||
; CHECK-NEXT: ret i8* [[L1]]
|
||||
;
|
||||
entry:
|
||||
%l = load i32*, i32** %ptr, !align !8
|
||||
%c = bitcast i32* %l to i8*
|
||||
@ -72,7 +95,11 @@ define i8* @test_load_cast_combine_deref(i32** %ptr) {
|
||||
; Ensure (cast (load (...))) -> (load (cast (...))) preserves dereferenceable
|
||||
; metadata.
|
||||
; CHECK-LABEL: @test_load_cast_combine_deref(
|
||||
; CHECK: load i8*, i8** %{{.*}}, !dereferenceable !9
|
||||
; CHECK-NEXT: entry:
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32** [[PTR:%.*]] to i8**
|
||||
; CHECK-NEXT: [[L1:%.*]] = load i8*, i8** [[TMP0]], align 8, !dereferenceable !9
|
||||
; CHECK-NEXT: ret i8* [[L1]]
|
||||
;
|
||||
entry:
|
||||
%l = load i32*, i32** %ptr, !dereferenceable !8
|
||||
%c = bitcast i32* %l to i8*
|
||||
@ -83,7 +110,11 @@ define i8* @test_load_cast_combine_deref_or_null(i32** %ptr) {
|
||||
; Ensure (cast (load (...))) -> (load (cast (...))) preserves
|
||||
; dereferenceable_or_null metadata.
|
||||
; CHECK-LABEL: @test_load_cast_combine_deref_or_null(
|
||||
; CHECK: load i8*, i8** %{{.*}}, !dereferenceable_or_null !9
|
||||
; CHECK-NEXT: entry:
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32** [[PTR:%.*]] to i8**
|
||||
; CHECK-NEXT: [[L1:%.*]] = load i8*, i8** [[TMP0]], align 8, !dereferenceable_or_null !9
|
||||
; CHECK-NEXT: ret i8* [[L1]]
|
||||
;
|
||||
entry:
|
||||
%l = load i32*, i32** %ptr, !dereferenceable_or_null !8
|
||||
%c = bitcast i32* %l to i8*
|
||||
@ -94,7 +125,23 @@ define void @test_load_cast_combine_loop(float* %src, i32* %dst, i32 %n) {
|
||||
; Ensure (cast (load (...))) -> (load (cast (...))) preserves loop access
|
||||
; metadata.
|
||||
; CHECK-LABEL: @test_load_cast_combine_loop(
|
||||
; CHECK: load i32, i32* %{{.*}}, !llvm.access.group !6
|
||||
; CHECK-NEXT: entry:
|
||||
; CHECK-NEXT: br label [[LOOP:%.*]]
|
||||
; CHECK: loop:
|
||||
; CHECK-NEXT: [[I:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[I_NEXT:%.*]], [[LOOP]] ]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = sext i32 [[I]] to i64
|
||||
; CHECK-NEXT: [[SRC_GEP:%.*]] = getelementptr inbounds float, float* [[SRC:%.*]], i64 [[TMP0]]
|
||||
; CHECK-NEXT: [[TMP1:%.*]] = sext i32 [[I]] to i64
|
||||
; CHECK-NEXT: [[DST_GEP:%.*]] = getelementptr inbounds i32, i32* [[DST:%.*]], i64 [[TMP1]]
|
||||
; CHECK-NEXT: [[TMP2:%.*]] = bitcast float* [[SRC_GEP]] to i32*
|
||||
; CHECK-NEXT: [[L1:%.*]] = load i32, i32* [[TMP2]], align 4, !llvm.access.group !6
|
||||
; CHECK-NEXT: store i32 [[L1]], i32* [[DST_GEP]], align 4
|
||||
; CHECK-NEXT: [[I_NEXT]] = add i32 [[I]], 1
|
||||
; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[I_NEXT]], [[N:%.*]]
|
||||
; CHECK-NEXT: br i1 [[CMP]], label [[LOOP]], label [[EXIT:%.*]], [[LOOP1:!llvm.loop !.*]]
|
||||
; CHECK: exit:
|
||||
; CHECK-NEXT: ret void
|
||||
;
|
||||
entry:
|
||||
br label %loop
|
||||
|
||||
@ -126,9 +173,14 @@ define void @test_load_cast_combine_nonnull(float** %ptr) {
|
||||
; file, and no LABEL lines are to be added after this point.
|
||||
;
|
||||
; CHECK-LABEL: @test_load_cast_combine_nonnull(
|
||||
; CHECK: %[[V:.*]] = load i64, i64* %{{.*}}, !range ![[MD:[0-9]+]]
|
||||
; CHECK-NOT: !nonnull
|
||||
; CHECK: store i64 %[[V]], i64*
|
||||
; CHECK-NEXT: entry:
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = bitcast float** [[PTR:%.*]] to i64*
|
||||
; CHECK-NEXT: [[P1:%.*]] = load i64, i64* [[TMP0]], align 8, !range ![[MD:[0-9]+]]
|
||||
; CHECK-NEXT: [[GEP:%.*]] = getelementptr float*, float** [[PTR]], i64 42
|
||||
; CHECK-NEXT: [[TMP1:%.*]] = bitcast float** [[GEP]] to i64*
|
||||
; CHECK-NEXT: store i64 [[P1]], i64* [[TMP1]], align 8
|
||||
; CHECK-NEXT: ret void
|
||||
;
|
||||
entry:
|
||||
%p = load float*, float** %ptr, !nonnull !6
|
||||
%gep = getelementptr float*, float** %ptr, i32 42
|
||||
|
||||
@ -1,3 +1,4 @@
|
||||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||||
; RUN: opt -instcombine -S < %s | FileCheck %s
|
||||
|
||||
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128-ni:4"
|
||||
@ -5,16 +6,17 @@ target triple = "x86_64-unknown-linux-gnu"
|
||||
|
||||
define i8 addrspace(4)* @f_0() {
|
||||
; CHECK-LABEL: @f_0(
|
||||
; CHECK: ret i8 addrspace(4)* getelementptr (i8, i8 addrspace(4)* null, i64 50)
|
||||
; CHECK-NEXT: ret i8 addrspace(4)* getelementptr (i8, i8 addrspace(4)* null, i64 50)
|
||||
;
|
||||
%result = getelementptr i8, i8 addrspace(4)* null, i64 50
|
||||
ret i8 addrspace(4)* %result
|
||||
}
|
||||
|
||||
define i8 addrspace(3)* @f_1() {
|
||||
; inttoptr is fine here since addrspace(3) is integral.
|
||||
|
||||
; CHECK-LABEL: @f_1(
|
||||
; CHECK: ret i8 addrspace(3)* inttoptr (i64 50 to i8 addrspace(3)*)
|
||||
; CHECK-NEXT: ret i8 addrspace(3)* inttoptr (i64 50 to i8 addrspace(3)*)
|
||||
;
|
||||
%result = getelementptr i8, i8 addrspace(3)* null, i64 50
|
||||
ret i8 addrspace(3)* %result
|
||||
}
|
||||
@ -22,13 +24,13 @@ define i8 addrspace(3)* @f_1() {
|
||||
define void @f_2(i8 addrspace(4)** %ptr0, i8 addrspace(4)** %ptr1) {
|
||||
; It is not okay to convert the load/store pair to load and store
|
||||
; integers, since pointers in address space 4 are non-integral.
|
||||
|
||||
; CHECK-LABEL: @f_2(
|
||||
; CHECK-NEXT: entry:
|
||||
; CHECK-NEXT: [[VAL:%.*]] = load i8 addrspace(4)*, i8 addrspace(4)** [[PTR0:%.*]], align 8
|
||||
; CHECK-NEXT: store i8 addrspace(4)* [[VAL]], i8 addrspace(4)** [[PTR1:%.*]], align 8
|
||||
; CHECK-NEXT: ret void
|
||||
;
|
||||
entry:
|
||||
; CHECK: %val = load i8 addrspace(4)*, i8 addrspace(4)** %ptr0, align 8
|
||||
; CHECK: store i8 addrspace(4)* %val, i8 addrspace(4)** %ptr1, align 8
|
||||
; CHECK-NOT: load i64
|
||||
; CHECK-NOT: store i64
|
||||
%val = load i8 addrspace(4)*, i8 addrspace(4)** %ptr0
|
||||
store i8 addrspace(4)* %val, i8 addrspace(4)** %ptr1
|
||||
ret void
|
||||
@ -37,44 +39,60 @@ entry:
|
||||
define void @f_3(i8 addrspace(3)** %ptr0, i8 addrspace(3)** %ptr1) {
|
||||
; It *is* okay to convert the load/store pair to load and store
|
||||
; integers, since pointers in address space 3 are integral.
|
||||
|
||||
; CHECK-LABEL: @f_3(
|
||||
; CHECK-NEXT: entry:
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = bitcast i8 addrspace(3)** [[PTR0:%.*]] to i64*
|
||||
; CHECK-NEXT: [[VAL1:%.*]] = load i64, i64* [[TMP0]], align 8
|
||||
; CHECK-NEXT: [[TMP1:%.*]] = bitcast i8 addrspace(3)** [[PTR1:%.*]] to i64*
|
||||
; CHECK-NEXT: store i64 [[VAL1]], i64* [[TMP1]], align 8
|
||||
; CHECK-NEXT: ret void
|
||||
;
|
||||
entry:
|
||||
; CHECK: load i64
|
||||
; CHECK: store i64
|
||||
%val = load i8 addrspace(3)*, i8 addrspace(3)** %ptr0
|
||||
store i8 addrspace(3)* %val, i8 addrspace(3)** %ptr1
|
||||
ret void
|
||||
}
|
||||
|
||||
define i64 @g(i8 addrspace(4)** %gp) {
|
||||
; CHECK-LABEL: @g(
|
||||
; CHECK: load
|
||||
; CHECK-LABEL: @g(
|
||||
; CHECK-NEXT: [[DOTPRE:%.*]] = load i8 addrspace(4)*, i8 addrspace(4)** [[GP:%.*]], align 8
|
||||
; CHECK-NEXT: [[V74:%.*]] = call i8 addrspace(4)* @alloc()
|
||||
; CHECK-NEXT: [[V77:%.*]] = getelementptr i8, i8 addrspace(4)* [[V74]], i64 -8
|
||||
; CHECK-NEXT: [[TMP1:%.*]] = bitcast i8 addrspace(4)* [[V77]] to i8 addrspace(4)* addrspace(4)*
|
||||
; CHECK-NEXT: [[TMP2:%.*]] = addrspacecast i8 addrspace(4)* addrspace(4)* [[TMP1]] to i8 addrspace(4)**
|
||||
; CHECK-NEXT: store i8 addrspace(4)* [[DOTPRE]], i8 addrspace(4)** [[TMP2]], align 8
|
||||
; CHECK-NEXT: [[TMP3:%.*]] = bitcast i8 addrspace(4)* [[V77]] to i64 addrspace(4)*
|
||||
; CHECK-NEXT: [[V80:%.*]] = addrspacecast i64 addrspace(4)* [[TMP3]] to i64*
|
||||
; CHECK-NEXT: [[V81:%.*]] = load i64, i64* [[V80]], align 8
|
||||
; CHECK-NEXT: ret i64 [[V81]]
|
||||
;
|
||||
%.pre = load i8 addrspace(4)*, i8 addrspace(4)** %gp, align 8
|
||||
%v74 = call i8 addrspace(4)* @alloc()
|
||||
%v75 = addrspacecast i8 addrspace(4)* %v74 to i8*
|
||||
%v76 = bitcast i8* %v75 to i8 addrspace(4)**
|
||||
%v77 = getelementptr i8 addrspace(4)*, i8 addrspace(4)** %v76, i64 -1
|
||||
; CHECK: store
|
||||
store i8 addrspace(4)* %.pre, i8 addrspace(4)** %v77, align 8
|
||||
%v80 = bitcast i8 addrspace(4)** %v77 to i64*
|
||||
; CHECK: load
|
||||
; CHECK-NOT: ptrtoint
|
||||
%v81 = load i64, i64* %v80, align 8
|
||||
ret i64 %v81
|
||||
}
|
||||
|
||||
define i64 @g2(i8* addrspace(4)* %gp) {
|
||||
; CHECK-LABEL: @g2(
|
||||
; CHECK: load
|
||||
; CHECK-LABEL: @g2(
|
||||
; CHECK-NEXT: [[TMP1:%.*]] = bitcast i8* addrspace(4)* [[GP:%.*]] to i64 addrspace(4)*
|
||||
; CHECK-NEXT: [[DOTPRE1:%.*]] = load i64, i64 addrspace(4)* [[TMP1]], align 8
|
||||
; CHECK-NEXT: [[V74:%.*]] = call i8 addrspace(4)* @alloc()
|
||||
; CHECK-NEXT: [[V77:%.*]] = getelementptr i8, i8 addrspace(4)* [[V74]], i64 -8
|
||||
; CHECK-NEXT: [[TMP2:%.*]] = bitcast i8 addrspace(4)* [[V77]] to i64 addrspace(4)*
|
||||
; CHECK-NEXT: store i64 [[DOTPRE1]], i64 addrspace(4)* [[TMP2]], align 8
|
||||
; CHECK-NEXT: ret i64 [[DOTPRE1]]
|
||||
;
|
||||
%.pre = load i8*, i8* addrspace(4)* %gp, align 8
|
||||
%v74 = call i8 addrspace(4)* @alloc()
|
||||
%v76 = bitcast i8 addrspace(4)* %v74 to i8* addrspace(4)*
|
||||
%v77 = getelementptr i8*, i8* addrspace(4)* %v76, i64 -1
|
||||
; CHECK: store
|
||||
store i8* %.pre, i8* addrspace(4)* %v77, align 8
|
||||
%v80 = bitcast i8* addrspace(4)* %v77 to i64 addrspace(4)*
|
||||
; CHECK-NOT: store
|
||||
%v81 = load i64, i64 addrspace(4)* %v80, align 8
|
||||
ret i64 %v81
|
||||
}
|
||||
@ -82,8 +100,10 @@ define i64 @g2(i8* addrspace(4)* %gp) {
|
||||
declare i8 addrspace(4)* @alloc()
|
||||
|
||||
define i64 @f_4(i8 addrspace(4)* %v0) {
|
||||
; CHECK-LABEL: @f_4(
|
||||
; CHECK-NOT: ptrtoint
|
||||
; CHECK-LABEL: @f_4(
|
||||
; CHECK-NEXT: [[V6:%.*]] = call i64 bitcast (i64 (i64)* @f_5 to i64 (i8 addrspace(4)*)*)(i8 addrspace(4)* [[V0:%.*]])
|
||||
; CHECK-NEXT: ret i64 [[V6]]
|
||||
;
|
||||
%v5 = bitcast i64 (i64)* @f_5 to i64 (i8 addrspace(4)*)*
|
||||
%v6 = call i64 %v5(i8 addrspace(4)* %v0)
|
||||
ret i64 %v6
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user