mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2025-01-31 20:51:52 +01:00
ffa26401ac
This is D77454, except for stores. All the infrastructure work was done for loads, so the remaining changes necessary are relatively small. Differential Revision: https://reviews.llvm.org/D79968
337 lines
9.6 KiB
LLVM
337 lines
9.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt < %s -correlated-propagation -S | FileCheck %s
|
|
|
|
define void @test1(i8* %ptr) {
|
|
; CHECK-LABEL: @test1(
|
|
; CHECK-NEXT: [[A:%.*]] = load i8, i8* [[PTR:%.*]], align 1
|
|
; CHECK-NEXT: br label [[BB:%.*]]
|
|
; CHECK: bb:
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
%A = load i8, i8* %ptr
|
|
br label %bb
|
|
bb:
|
|
icmp ne i8* %ptr, null
|
|
ret void
|
|
}
|
|
|
|
define void @test1_no_null_opt(i8* %ptr) #0 {
|
|
; CHECK-LABEL: @test1_no_null_opt(
|
|
; CHECK-NEXT: [[A:%.*]] = load i8, i8* [[PTR:%.*]], align 1
|
|
; CHECK-NEXT: br label [[BB:%.*]]
|
|
; CHECK: bb:
|
|
; CHECK-NEXT: [[TMP1:%.*]] = icmp ne i8* [[PTR]], null
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
%A = load i8, i8* %ptr
|
|
br label %bb
|
|
bb:
|
|
icmp ne i8* %ptr, null
|
|
ret void
|
|
}
|
|
|
|
define void @test2(i8* %ptr) {
|
|
; CHECK-LABEL: @test2(
|
|
; CHECK-NEXT: store i8 0, i8* [[PTR:%.*]], align 1
|
|
; CHECK-NEXT: br label [[BB:%.*]]
|
|
; CHECK: bb:
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
store i8 0, i8* %ptr
|
|
br label %bb
|
|
bb:
|
|
icmp ne i8* %ptr, null
|
|
ret void
|
|
}
|
|
|
|
define void @test2_no_null_opt(i8* %ptr) #0 {
|
|
; CHECK-LABEL: @test2_no_null_opt(
|
|
; CHECK-NEXT: store i8 0, i8* [[PTR:%.*]], align 1
|
|
; CHECK-NEXT: br label [[BB:%.*]]
|
|
; CHECK: bb:
|
|
; CHECK-NEXT: [[TMP1:%.*]] = icmp ne i8* [[PTR]], null
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
store i8 0, i8* %ptr
|
|
br label %bb
|
|
bb:
|
|
icmp ne i8* %ptr, null
|
|
ret void
|
|
}
|
|
|
|
define void @test3() {
|
|
; CHECK-LABEL: @test3(
|
|
; CHECK-NEXT: [[PTR:%.*]] = alloca i8
|
|
; CHECK-NEXT: br label [[BB:%.*]]
|
|
; CHECK: bb:
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
%ptr = alloca i8
|
|
br label %bb
|
|
bb:
|
|
icmp ne i8* %ptr, null
|
|
ret void
|
|
}
|
|
|
|
;; OK to remove icmp here since ptr is coming from alloca.
|
|
|
|
define void @test3_no_null_opt() #0 {
|
|
; CHECK-LABEL: @test3_no_null_opt(
|
|
; CHECK-NEXT: [[PTR:%.*]] = alloca i8
|
|
; CHECK-NEXT: br label [[BB:%.*]]
|
|
; CHECK: bb:
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
%ptr = alloca i8
|
|
br label %bb
|
|
bb:
|
|
icmp ne i8* %ptr, null
|
|
ret void
|
|
}
|
|
|
|
declare void @llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i1)
|
|
|
|
define void @test4(i8* %dest, i8* %src) {
|
|
; CHECK-LABEL: @test4(
|
|
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* [[DEST:%.*]], i8* [[SRC:%.*]], i32 1, i1 false)
|
|
; CHECK-NEXT: br label [[BB:%.*]]
|
|
; CHECK: bb:
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
call void @llvm.memcpy.p0i8.p0i8.i32(i8* %dest, i8* %src, i32 1, i1 false)
|
|
br label %bb
|
|
bb:
|
|
icmp ne i8* %dest, null
|
|
icmp ne i8* %src, null
|
|
ret void
|
|
}
|
|
|
|
define void @test4_no_null_opt(i8* %dest, i8* %src) #0 {
|
|
; CHECK-LABEL: @test4_no_null_opt(
|
|
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* [[DEST:%.*]], i8* [[SRC:%.*]], i32 1, i1 false)
|
|
; CHECK-NEXT: br label [[BB:%.*]]
|
|
; CHECK: bb:
|
|
; CHECK-NEXT: [[TMP1:%.*]] = icmp ne i8* [[DEST]], null
|
|
; CHECK-NEXT: [[TMP2:%.*]] = icmp ne i8* [[SRC]], null
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
call void @llvm.memcpy.p0i8.p0i8.i32(i8* %dest, i8* %src, i32 1, i1 false)
|
|
br label %bb
|
|
bb:
|
|
icmp ne i8* %dest, null
|
|
icmp ne i8* %src, null
|
|
ret void
|
|
}
|
|
|
|
declare void @llvm.memmove.p0i8.p0i8.i32(i8*, i8*, i32, i1)
|
|
define void @test5(i8* %dest, i8* %src) {
|
|
; CHECK-LABEL: @test5(
|
|
; CHECK-NEXT: call void @llvm.memmove.p0i8.p0i8.i32(i8* [[DEST:%.*]], i8* [[SRC:%.*]], i32 1, i1 false)
|
|
; CHECK-NEXT: br label [[BB:%.*]]
|
|
; CHECK: bb:
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
call void @llvm.memmove.p0i8.p0i8.i32(i8* %dest, i8* %src, i32 1, i1 false)
|
|
br label %bb
|
|
bb:
|
|
icmp ne i8* %dest, null
|
|
icmp ne i8* %src, null
|
|
ret void
|
|
}
|
|
|
|
define void @test5_no_null_opt(i8* %dest, i8* %src) #0 {
|
|
; CHECK-LABEL: @test5_no_null_opt(
|
|
; CHECK-NEXT: call void @llvm.memmove.p0i8.p0i8.i32(i8* [[DEST:%.*]], i8* [[SRC:%.*]], i32 1, i1 false)
|
|
; CHECK-NEXT: br label [[BB:%.*]]
|
|
; CHECK: bb:
|
|
; CHECK-NEXT: [[TMP1:%.*]] = icmp ne i8* [[DEST]], null
|
|
; CHECK-NEXT: [[TMP2:%.*]] = icmp ne i8* [[SRC]], null
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
call void @llvm.memmove.p0i8.p0i8.i32(i8* %dest, i8* %src, i32 1, i1 false)
|
|
br label %bb
|
|
bb:
|
|
icmp ne i8* %dest, null
|
|
icmp ne i8* %src, null
|
|
ret void
|
|
}
|
|
|
|
declare void @llvm.memset.p0i8.i32(i8*, i8, i32, i1)
|
|
define void @test6(i8* %dest) {
|
|
; CHECK-LABEL: @test6(
|
|
; CHECK-NEXT: call void @llvm.memset.p0i8.i32(i8* [[DEST:%.*]], i8 -1, i32 1, i1 false)
|
|
; CHECK-NEXT: br label [[BB:%.*]]
|
|
; CHECK: bb:
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
call void @llvm.memset.p0i8.i32(i8* %dest, i8 255, i32 1, i1 false)
|
|
br label %bb
|
|
bb:
|
|
icmp ne i8* %dest, null
|
|
ret void
|
|
}
|
|
|
|
define void @test6_no_null_opt(i8* %dest) #0 {
|
|
; CHECK-LABEL: @test6_no_null_opt(
|
|
; CHECK-NEXT: call void @llvm.memset.p0i8.i32(i8* [[DEST:%.*]], i8 -1, i32 1, i1 false)
|
|
; CHECK-NEXT: br label [[BB:%.*]]
|
|
; CHECK: bb:
|
|
; CHECK-NEXT: [[TMP1:%.*]] = icmp ne i8* [[DEST]], null
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
call void @llvm.memset.p0i8.i32(i8* %dest, i8 255, i32 1, i1 false)
|
|
br label %bb
|
|
bb:
|
|
icmp ne i8* %dest, null
|
|
ret void
|
|
}
|
|
|
|
define void @test7(i8* %dest, i8* %src, i32 %len) {
|
|
; CHECK-LABEL: @test7(
|
|
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* [[DEST:%.*]], i8* [[SRC:%.*]], i32 [[LEN:%.*]], i1 false)
|
|
; CHECK-NEXT: br label [[BB:%.*]]
|
|
; CHECK: bb:
|
|
; CHECK-NEXT: [[KEEP1:%.*]] = icmp ne i8* [[DEST]], null
|
|
; CHECK-NEXT: [[KEEP2:%.*]] = icmp ne i8* [[SRC]], null
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
call void @llvm.memcpy.p0i8.p0i8.i32(i8* %dest, i8* %src, i32 %len, i1 false)
|
|
br label %bb
|
|
bb:
|
|
%KEEP1 = icmp ne i8* %dest, null
|
|
%KEEP2 = icmp ne i8* %src, null
|
|
ret void
|
|
}
|
|
|
|
declare void @llvm.memcpy.p1i8.p1i8.i32(i8 addrspace(1) *, i8 addrspace(1) *, i32, i1)
|
|
define void @test8(i8 addrspace(1) * %dest, i8 addrspace(1) * %src) {
|
|
; CHECK-LABEL: @test8(
|
|
; CHECK-NEXT: call void @llvm.memcpy.p1i8.p1i8.i32(i8 addrspace(1)* [[DEST:%.*]], i8 addrspace(1)* [[SRC:%.*]], i32 1, i1 false)
|
|
; CHECK-NEXT: br label [[BB:%.*]]
|
|
; CHECK: bb:
|
|
; CHECK-NEXT: [[KEEP1:%.*]] = icmp ne i8 addrspace(1)* [[DEST]], null
|
|
; CHECK-NEXT: [[KEEP2:%.*]] = icmp ne i8 addrspace(1)* [[SRC]], null
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
call void @llvm.memcpy.p1i8.p1i8.i32(i8 addrspace(1) * %dest, i8 addrspace(1) * %src, i32 1, i1 false)
|
|
br label %bb
|
|
bb:
|
|
%KEEP1 = icmp ne i8 addrspace(1) * %dest, null
|
|
%KEEP2 = icmp ne i8 addrspace(1) * %src, null
|
|
ret void
|
|
}
|
|
|
|
define void @test9(i8* %dest, i8* %src) {
|
|
; CHECK-LABEL: @test9(
|
|
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* [[DEST:%.*]], i8* [[SRC:%.*]], i32 1, i1 true)
|
|
; CHECK-NEXT: br label [[BB:%.*]]
|
|
; CHECK: bb:
|
|
; CHECK-NEXT: [[KEEP1:%.*]] = icmp ne i8* [[DEST]], null
|
|
; CHECK-NEXT: [[KEEP2:%.*]] = icmp ne i8* [[SRC]], null
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
call void @llvm.memcpy.p0i8.p0i8.i32(i8* %dest, i8* %src, i32 1, i1 true)
|
|
br label %bb
|
|
bb:
|
|
%KEEP1 = icmp ne i8* %dest, null
|
|
%KEEP2 = icmp ne i8* %src, null
|
|
ret void
|
|
}
|
|
|
|
declare void @test10_helper(i8* %arg1, i8* %arg2, i32 %non-pointer-arg)
|
|
|
|
define void @test10(i8* %arg1, i8* %arg2, i32 %non-pointer-arg) {
|
|
; CHECK-LABEL: @test10(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: [[IS_NULL:%.*]] = icmp eq i8* [[ARG1:%.*]], null
|
|
; CHECK-NEXT: br i1 [[IS_NULL]], label [[NULL:%.*]], label [[NON_NULL:%.*]]
|
|
; CHECK: non_null:
|
|
; CHECK-NEXT: call void @test10_helper(i8* nonnull [[ARG1]], i8* [[ARG2:%.*]], i32 [[NON_POINTER_ARG:%.*]])
|
|
; CHECK-NEXT: br label [[NULL]]
|
|
; CHECK: null:
|
|
; CHECK-NEXT: call void @test10_helper(i8* [[ARG1]], i8* [[ARG2]], i32 [[NON_POINTER_ARG]])
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
entry:
|
|
%is_null = icmp eq i8* %arg1, null
|
|
br i1 %is_null, label %null, label %non_null
|
|
|
|
non_null:
|
|
call void @test10_helper(i8* %arg1, i8* %arg2, i32 %non-pointer-arg)
|
|
br label %null
|
|
|
|
null:
|
|
call void @test10_helper(i8* %arg1, i8* %arg2, i32 %non-pointer-arg)
|
|
ret void
|
|
}
|
|
|
|
declare void @test11_helper(i8* %arg)
|
|
|
|
define void @test11(i8* %arg1, i8** %arg2) {
|
|
; CHECK-LABEL: @test11(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: [[IS_NULL:%.*]] = icmp eq i8* [[ARG1:%.*]], null
|
|
; CHECK-NEXT: br i1 [[IS_NULL]], label [[NULL:%.*]], label [[NON_NULL:%.*]]
|
|
; CHECK: non_null:
|
|
; CHECK-NEXT: br label [[MERGE:%.*]]
|
|
; CHECK: null:
|
|
; CHECK-NEXT: [[ANOTHER_ARG:%.*]] = alloca i8
|
|
; CHECK-NEXT: br label [[MERGE]]
|
|
; CHECK: merge:
|
|
; CHECK-NEXT: [[MERGED_ARG:%.*]] = phi i8* [ [[ANOTHER_ARG]], [[NULL]] ], [ [[ARG1]], [[NON_NULL]] ]
|
|
; CHECK-NEXT: call void @test11_helper(i8* nonnull [[MERGED_ARG]])
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
entry:
|
|
%is_null = icmp eq i8* %arg1, null
|
|
br i1 %is_null, label %null, label %non_null
|
|
|
|
non_null:
|
|
br label %merge
|
|
|
|
null:
|
|
%another_arg = alloca i8
|
|
br label %merge
|
|
|
|
merge:
|
|
%merged_arg = phi i8* [%another_arg, %null], [%arg1, %non_null]
|
|
call void @test11_helper(i8* %merged_arg)
|
|
ret void
|
|
}
|
|
|
|
declare void @test12_helper(i8* %arg)
|
|
|
|
define void @test12(i8* %arg1, i8** %arg2) {
|
|
; CHECK-LABEL: @test12(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: [[IS_NULL:%.*]] = icmp eq i8* [[ARG1:%.*]], null
|
|
; CHECK-NEXT: br i1 [[IS_NULL]], label [[NULL:%.*]], label [[NON_NULL:%.*]]
|
|
; CHECK: non_null:
|
|
; CHECK-NEXT: br label [[MERGE:%.*]]
|
|
; CHECK: null:
|
|
; CHECK-NEXT: [[ANOTHER_ARG:%.*]] = load i8*, i8** [[ARG2:%.*]], align 8, !nonnull !0
|
|
; CHECK-NEXT: br label [[MERGE]]
|
|
; CHECK: merge:
|
|
; CHECK-NEXT: [[MERGED_ARG:%.*]] = phi i8* [ [[ANOTHER_ARG]], [[NULL]] ], [ [[ARG1]], [[NON_NULL]] ]
|
|
; CHECK-NEXT: call void @test12_helper(i8* nonnull [[MERGED_ARG]])
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
entry:
|
|
%is_null = icmp eq i8* %arg1, null
|
|
br i1 %is_null, label %null, label %non_null
|
|
|
|
non_null:
|
|
br label %merge
|
|
|
|
null:
|
|
%another_arg = load i8*, i8** %arg2, !nonnull !{}
|
|
br label %merge
|
|
|
|
merge:
|
|
%merged_arg = phi i8* [%another_arg, %null], [%arg1, %non_null]
|
|
call void @test12_helper(i8* %merged_arg)
|
|
ret void
|
|
}
|
|
|
|
attributes #0 = { null_pointer_is_valid }
|