mirror of
https://github.com/RPCS3/llvm-mirror.git
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[InstCombine] add/move tests for ptr diff; NFC
This commit is contained in:
Sanjay Patel
parent
4052430556
commit
7ae9f7c717
@ -1,6 +1,8 @@
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -instcombine < %s | FileCheck %s
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target datalayout = "e-p:64:64:64-p1:16:16:16-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"
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define i64 @test_inbounds([0 x i32]* %base, i64 %idx) {
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; CHECK-LABEL: @test_inbounds(
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; CHECK-NEXT: [[P2_IDX:%.*]] = shl nsw i64 [[IDX:%.*]], 2
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@ -151,3 +153,187 @@ define i64 @test_inbounds_nuw_multi_index([0 x [2 x i32]]* %base, i64 %idx, i64
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%d = sub nuw i64 %i2, %i1
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ret i64 %d
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}
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; rdar://7362831
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define i32 @test23(i8* %P, i64 %A){
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; CHECK-LABEL: @test23(
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; CHECK-NEXT: [[TMP1:%.*]] = trunc i64 [[A:%.*]] to i32
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; CHECK-NEXT: ret i32 [[TMP1]]
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;
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%B = getelementptr inbounds i8, i8* %P, i64 %A
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%C = ptrtoint i8* %B to i64
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%D = trunc i64 %C to i32
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%E = ptrtoint i8* %P to i64
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%F = trunc i64 %E to i32
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%G = sub i32 %D, %F
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ret i32 %G
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}
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define i8 @test23_as1(i8 addrspace(1)* %P, i16 %A) {
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; CHECK-LABEL: @test23_as1(
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; CHECK-NEXT: [[TMP1:%.*]] = trunc i16 [[A:%.*]] to i8
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; CHECK-NEXT: ret i8 [[TMP1]]
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;
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%B = getelementptr inbounds i8, i8 addrspace(1)* %P, i16 %A
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%C = ptrtoint i8 addrspace(1)* %B to i16
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%D = trunc i16 %C to i8
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%E = ptrtoint i8 addrspace(1)* %P to i16
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%F = trunc i16 %E to i8
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%G = sub i8 %D, %F
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ret i8 %G
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}
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define i64 @test24(i8* %P, i64 %A){
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; CHECK-LABEL: @test24(
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; CHECK-NEXT: ret i64 [[A:%.*]]
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;
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%B = getelementptr inbounds i8, i8* %P, i64 %A
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%C = ptrtoint i8* %B to i64
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%E = ptrtoint i8* %P to i64
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%G = sub i64 %C, %E
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ret i64 %G
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}
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define i16 @test24_as1(i8 addrspace(1)* %P, i16 %A) {
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; CHECK-LABEL: @test24_as1(
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; CHECK-NEXT: ret i16 [[A:%.*]]
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;
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%B = getelementptr inbounds i8, i8 addrspace(1)* %P, i16 %A
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%C = ptrtoint i8 addrspace(1)* %B to i16
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%E = ptrtoint i8 addrspace(1)* %P to i16
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%G = sub i16 %C, %E
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ret i16 %G
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}
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define i64 @test24a(i8* %P, i64 %A){
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; CHECK-LABEL: @test24a(
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; CHECK-NEXT: [[DIFF_NEG:%.*]] = sub i64 0, [[A:%.*]]
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; CHECK-NEXT: ret i64 [[DIFF_NEG]]
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;
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%B = getelementptr inbounds i8, i8* %P, i64 %A
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%C = ptrtoint i8* %B to i64
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%E = ptrtoint i8* %P to i64
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%G = sub i64 %E, %C
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ret i64 %G
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}
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define i16 @test24a_as1(i8 addrspace(1)* %P, i16 %A) {
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; CHECK-LABEL: @test24a_as1(
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; CHECK-NEXT: [[DIFF_NEG:%.*]] = sub i16 0, [[A:%.*]]
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; CHECK-NEXT: ret i16 [[DIFF_NEG]]
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;
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%B = getelementptr inbounds i8, i8 addrspace(1)* %P, i16 %A
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%C = ptrtoint i8 addrspace(1)* %B to i16
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%E = ptrtoint i8 addrspace(1)* %P to i16
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%G = sub i16 %E, %C
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ret i16 %G
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}
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@Arr = external global [42 x i16]
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define i64 @test24b(i8* %P, i64 %A){
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; CHECK-LABEL: @test24b(
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; CHECK-NEXT: [[B_IDX:%.*]] = shl nsw i64 [[A:%.*]], 1
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; CHECK-NEXT: ret i64 [[B_IDX]]
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;
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%B = getelementptr inbounds [42 x i16], [42 x i16]* @Arr, i64 0, i64 %A
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%C = ptrtoint i16* %B to i64
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%G = sub i64 %C, ptrtoint ([42 x i16]* @Arr to i64)
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ret i64 %G
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}
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define i64 @test25(i8* %P, i64 %A){
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; CHECK-LABEL: @test25(
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; CHECK-NEXT: [[B_IDX:%.*]] = shl nsw i64 [[A:%.*]], 1
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; CHECK-NEXT: [[GEPDIFF:%.*]] = add i64 [[B_IDX]], -84
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; CHECK-NEXT: ret i64 [[GEPDIFF]]
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;
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%B = getelementptr inbounds [42 x i16], [42 x i16]* @Arr, i64 0, i64 %A
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%C = ptrtoint i16* %B to i64
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%G = sub i64 %C, ptrtoint (i16* getelementptr ([42 x i16], [42 x i16]* @Arr, i64 1, i64 0) to i64)
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ret i64 %G
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}
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@Arr_as1 = external addrspace(1) global [42 x i16]
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define i16 @test25_as1(i8 addrspace(1)* %P, i64 %A) {
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; CHECK-LABEL: @test25_as1(
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; CHECK-NEXT: [[TMP1:%.*]] = trunc i64 [[A:%.*]] to i16
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; CHECK-NEXT: [[B_IDX:%.*]] = shl nsw i16 [[TMP1]], 1
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; CHECK-NEXT: [[GEPDIFF:%.*]] = add i16 [[B_IDX]], -84
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; CHECK-NEXT: ret i16 [[GEPDIFF]]
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;
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%B = getelementptr inbounds [42 x i16], [42 x i16] addrspace(1)* @Arr_as1, i64 0, i64 %A
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%C = ptrtoint i16 addrspace(1)* %B to i16
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%G = sub i16 %C, ptrtoint (i16 addrspace(1)* getelementptr ([42 x i16], [42 x i16] addrspace(1)* @Arr_as1, i64 1, i64 0) to i16)
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ret i16 %G
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}
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define i64 @test30(i8* %foo, i64 %i, i64 %j) {
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; CHECK-LABEL: @test30(
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; CHECK-NEXT: [[GEP1_IDX:%.*]] = shl nsw i64 [[I:%.*]], 2
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; CHECK-NEXT: [[GEPDIFF:%.*]] = sub i64 [[GEP1_IDX]], [[J:%.*]]
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; CHECK-NEXT: ret i64 [[GEPDIFF]]
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;
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%bit = bitcast i8* %foo to i32*
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%gep1 = getelementptr inbounds i32, i32* %bit, i64 %i
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%gep2 = getelementptr inbounds i8, i8* %foo, i64 %j
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%cast1 = ptrtoint i32* %gep1 to i64
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%cast2 = ptrtoint i8* %gep2 to i64
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%sub = sub i64 %cast1, %cast2
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ret i64 %sub
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}
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define i16 @test30_as1(i8 addrspace(1)* %foo, i16 %i, i16 %j) {
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; CHECK-LABEL: @test30_as1(
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; CHECK-NEXT: [[GEP1_IDX:%.*]] = shl nsw i16 [[I:%.*]], 2
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; CHECK-NEXT: [[GEPDIFF:%.*]] = sub i16 [[GEP1_IDX]], [[J:%.*]]
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; CHECK-NEXT: ret i16 [[GEPDIFF]]
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;
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%bit = bitcast i8 addrspace(1)* %foo to i32 addrspace(1)*
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%gep1 = getelementptr inbounds i32, i32 addrspace(1)* %bit, i16 %i
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%gep2 = getelementptr inbounds i8, i8 addrspace(1)* %foo, i16 %j
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%cast1 = ptrtoint i32 addrspace(1)* %gep1 to i16
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%cast2 = ptrtoint i8 addrspace(1)* %gep2 to i16
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%sub = sub i16 %cast1, %cast2
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ret i16 %sub
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}
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define i64 @gep_diff_both_inbounds(i8* %foo, i64 %i, i64 %j) {
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; CHECK-LABEL: @gep_diff_both_inbounds(
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; CHECK-NEXT: [[GEPDIFF:%.*]] = sub i64 [[I:%.*]], [[J:%.*]]
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; CHECK-NEXT: ret i64 [[GEPDIFF]]
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;
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%gep1 = getelementptr inbounds i8, i8* %foo, i64 %i
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%gep2 = getelementptr inbounds i8, i8* %foo, i64 %j
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%cast1 = ptrtoint i8* %gep1 to i64
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%cast2 = ptrtoint i8* %gep2 to i64
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%sub = sub i64 %cast1, %cast2
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ret i64 %sub
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}
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define i64 @gep_diff_first_inbounds(i8* %foo, i64 %i, i64 %j) {
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; CHECK-LABEL: @gep_diff_first_inbounds(
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; CHECK-NEXT: [[GEPDIFF:%.*]] = sub i64 [[I:%.*]], [[J:%.*]]
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; CHECK-NEXT: ret i64 [[GEPDIFF]]
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;
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%gep1 = getelementptr inbounds i8, i8* %foo, i64 %i
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%gep2 = getelementptr i8, i8* %foo, i64 %j
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%cast1 = ptrtoint i8* %gep1 to i64
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%cast2 = ptrtoint i8* %gep2 to i64
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%sub = sub i64 %cast1, %cast2
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ret i64 %sub
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}
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define i64 @gep_diff_second_inbounds(i8* %foo, i64 %i, i64 %j) {
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; CHECK-LABEL: @gep_diff_second_inbounds(
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; CHECK-NEXT: [[GEPDIFF:%.*]] = sub i64 [[I:%.*]], [[J:%.*]]
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; CHECK-NEXT: ret i64 [[GEPDIFF]]
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;
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%gep1 = getelementptr i8, i8* %foo, i64 %i
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%gep2 = getelementptr inbounds i8, i8* %foo, i64 %j
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%cast1 = ptrtoint i8* %gep1 to i64
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%cast2 = ptrtoint i8* %gep2 to i64
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%sub = sub i64 %cast1, %cast2
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ret i64 %sub
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}
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@ -414,122 +414,6 @@ define zeroext i1 @test22(i32 %a, i32 %b) nounwind {
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ret i1 %i5
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}
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; rdar://7362831
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define i32 @test23(i8* %P, i64 %A){
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; CHECK-LABEL: @test23(
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; CHECK-NEXT: [[TMP1:%.*]] = trunc i64 [[A:%.*]] to i32
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; CHECK-NEXT: ret i32 [[TMP1]]
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;
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%B = getelementptr inbounds i8, i8* %P, i64 %A
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%C = ptrtoint i8* %B to i64
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%D = trunc i64 %C to i32
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%E = ptrtoint i8* %P to i64
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%F = trunc i64 %E to i32
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%G = sub i32 %D, %F
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ret i32 %G
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}
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define i8 @test23_as1(i8 addrspace(1)* %P, i16 %A) {
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; CHECK-LABEL: @test23_as1(
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; CHECK-NEXT: [[TMP1:%.*]] = trunc i16 [[A:%.*]] to i8
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; CHECK-NEXT: ret i8 [[TMP1]]
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;
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%B = getelementptr inbounds i8, i8 addrspace(1)* %P, i16 %A
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%C = ptrtoint i8 addrspace(1)* %B to i16
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%D = trunc i16 %C to i8
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%E = ptrtoint i8 addrspace(1)* %P to i16
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%F = trunc i16 %E to i8
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%G = sub i8 %D, %F
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ret i8 %G
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}
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define i64 @test24(i8* %P, i64 %A){
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; CHECK-LABEL: @test24(
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; CHECK-NEXT: ret i64 [[A:%.*]]
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;
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%B = getelementptr inbounds i8, i8* %P, i64 %A
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%C = ptrtoint i8* %B to i64
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%E = ptrtoint i8* %P to i64
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%G = sub i64 %C, %E
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ret i64 %G
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}
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define i16 @test24_as1(i8 addrspace(1)* %P, i16 %A) {
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; CHECK-LABEL: @test24_as1(
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; CHECK-NEXT: ret i16 [[A:%.*]]
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;
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%B = getelementptr inbounds i8, i8 addrspace(1)* %P, i16 %A
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%C = ptrtoint i8 addrspace(1)* %B to i16
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%E = ptrtoint i8 addrspace(1)* %P to i16
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%G = sub i16 %C, %E
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ret i16 %G
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}
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define i64 @test24a(i8* %P, i64 %A){
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; CHECK-LABEL: @test24a(
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; CHECK-NEXT: [[DIFF_NEG:%.*]] = sub i64 0, [[A:%.*]]
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; CHECK-NEXT: ret i64 [[DIFF_NEG]]
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;
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%B = getelementptr inbounds i8, i8* %P, i64 %A
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%C = ptrtoint i8* %B to i64
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%E = ptrtoint i8* %P to i64
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%G = sub i64 %E, %C
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ret i64 %G
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}
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define i16 @test24a_as1(i8 addrspace(1)* %P, i16 %A) {
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; CHECK-LABEL: @test24a_as1(
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; CHECK-NEXT: [[DIFF_NEG:%.*]] = sub i16 0, [[A:%.*]]
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; CHECK-NEXT: ret i16 [[DIFF_NEG]]
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;
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%B = getelementptr inbounds i8, i8 addrspace(1)* %P, i16 %A
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%C = ptrtoint i8 addrspace(1)* %B to i16
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%E = ptrtoint i8 addrspace(1)* %P to i16
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%G = sub i16 %E, %C
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ret i16 %G
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}
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@Arr = external global [42 x i16]
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define i64 @test24b(i8* %P, i64 %A){
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; CHECK-LABEL: @test24b(
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; CHECK-NEXT: [[B_IDX:%.*]] = shl nsw i64 [[A:%.*]], 1
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; CHECK-NEXT: ret i64 [[B_IDX]]
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;
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%B = getelementptr inbounds [42 x i16], [42 x i16]* @Arr, i64 0, i64 %A
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%C = ptrtoint i16* %B to i64
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%G = sub i64 %C, ptrtoint ([42 x i16]* @Arr to i64)
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ret i64 %G
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}
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define i64 @test25(i8* %P, i64 %A){
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; CHECK-LABEL: @test25(
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; CHECK-NEXT: [[B_IDX:%.*]] = shl nsw i64 [[A:%.*]], 1
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; CHECK-NEXT: [[GEPDIFF:%.*]] = add i64 [[B_IDX]], -84
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; CHECK-NEXT: ret i64 [[GEPDIFF]]
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;
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%B = getelementptr inbounds [42 x i16], [42 x i16]* @Arr, i64 0, i64 %A
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%C = ptrtoint i16* %B to i64
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%G = sub i64 %C, ptrtoint (i16* getelementptr ([42 x i16], [42 x i16]* @Arr, i64 1, i64 0) to i64)
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ret i64 %G
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}
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@Arr_as1 = external addrspace(1) global [42 x i16]
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define i16 @test25_as1(i8 addrspace(1)* %P, i64 %A) {
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; CHECK-LABEL: @test25_as1(
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; CHECK-NEXT: [[TMP1:%.*]] = trunc i64 [[A:%.*]] to i16
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; CHECK-NEXT: [[B_IDX:%.*]] = shl nsw i16 [[TMP1]], 1
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; CHECK-NEXT: [[GEPDIFF:%.*]] = add i16 [[B_IDX]], -84
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; CHECK-NEXT: ret i16 [[GEPDIFF]]
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;
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%B = getelementptr inbounds [42 x i16], [42 x i16] addrspace(1)* @Arr_as1, i64 0, i64 %A
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%C = ptrtoint i16 addrspace(1)* %B to i16
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%G = sub i16 %C, ptrtoint (i16 addrspace(1)* getelementptr ([42 x i16], [42 x i16] addrspace(1)* @Arr_as1, i64 1, i64 0) to i16)
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ret i16 %G
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}
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define i32 @test26(i32 %x) {
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; CHECK-LABEL: @test26(
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; CHECK-NEXT: [[SHL_NEG:%.*]] = shl i32 -3, [[X:%.*]]
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@ -823,49 +707,6 @@ define i32 @test28commuted(i32 %x, i32 %y, i32 %z) {
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ret i32 %sub
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}
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define i64 @test29(i8* %foo, i64 %i, i64 %j) {
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; CHECK-LABEL: @test29(
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; CHECK-NEXT: [[GEPDIFF:%.*]] = sub i64 [[I:%.*]], [[J:%.*]]
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; CHECK-NEXT: ret i64 [[GEPDIFF]]
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;
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%gep1 = getelementptr inbounds i8, i8* %foo, i64 %i
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%gep2 = getelementptr inbounds i8, i8* %foo, i64 %j
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%cast1 = ptrtoint i8* %gep1 to i64
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%cast2 = ptrtoint i8* %gep2 to i64
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%sub = sub i64 %cast1, %cast2
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ret i64 %sub
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}
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define i64 @test30(i8* %foo, i64 %i, i64 %j) {
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; CHECK-LABEL: @test30(
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; CHECK-NEXT: [[GEP1_IDX:%.*]] = shl nsw i64 [[I:%.*]], 2
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; CHECK-NEXT: [[GEPDIFF:%.*]] = sub i64 [[GEP1_IDX]], [[J:%.*]]
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; CHECK-NEXT: ret i64 [[GEPDIFF]]
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;
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%bit = bitcast i8* %foo to i32*
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%gep1 = getelementptr inbounds i32, i32* %bit, i64 %i
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%gep2 = getelementptr inbounds i8, i8* %foo, i64 %j
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%cast1 = ptrtoint i32* %gep1 to i64
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%cast2 = ptrtoint i8* %gep2 to i64
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%sub = sub i64 %cast1, %cast2
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ret i64 %sub
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}
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define i16 @test30_as1(i8 addrspace(1)* %foo, i16 %i, i16 %j) {
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; CHECK-LABEL: @test30_as1(
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; CHECK-NEXT: [[GEP1_IDX:%.*]] = shl nsw i16 [[I:%.*]], 2
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; CHECK-NEXT: [[GEPDIFF:%.*]] = sub i16 [[GEP1_IDX]], [[J:%.*]]
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; CHECK-NEXT: ret i16 [[GEPDIFF]]
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;
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%bit = bitcast i8 addrspace(1)* %foo to i32 addrspace(1)*
|
||||
%gep1 = getelementptr inbounds i32, i32 addrspace(1)* %bit, i16 %i
|
||||
%gep2 = getelementptr inbounds i8, i8 addrspace(1)* %foo, i16 %j
|
||||
%cast1 = ptrtoint i32 addrspace(1)* %gep1 to i16
|
||||
%cast2 = ptrtoint i8 addrspace(1)* %gep2 to i16
|
||||
%sub = sub i16 %cast1, %cast2
|
||||
ret i16 %sub
|
||||
}
|
||||
|
||||
define <2 x i64> @test31(<2 x i64> %A) {
|
||||
; CHECK-LABEL: @test31(
|
||||
; CHECK-NEXT: [[SUB:%.*]] = add <2 x i64> [[A:%.*]], <i64 3, i64 4>
|
||||
|
||||
Loading…
Reference in New Issue
Block a user