diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/X86/StackColoring.ll | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/CodeGen/X86/StackColoring.ll b/test/CodeGen/X86/StackColoring.ll index f8ae74f292..6c0f00d17d 100644 --- a/test/CodeGen/X86/StackColoring.ll +++ b/test/CodeGen/X86/StackColoring.ll @@ -350,6 +350,28 @@ bb3: ret i32 0 } + +; Regression test for PR15707. %buf1 and %buf2 should not be merged +; in this test case. +;YESCOLOR: myCall_pr15707 +;YESCOLOR: subq $200008, %rsp +;NOCOLOR: myCall_pr15707 +;NOCOLOR: subq $200008, %rsp +define void @myCall_pr15707() { + %buf1 = alloca i8, i32 100000, align 16 + %buf2 = alloca i8, i32 100000, align 16 + + call void @llvm.lifetime.start(i64 -1, i8* %buf1) + call void @llvm.lifetime.end(i64 -1, i8* %buf1) + + call void @llvm.lifetime.start(i64 -1, i8* %buf1) + call void @llvm.lifetime.start(i64 -1, i8* %buf2) + %result1 = call i32 @foo(i32 0, i8* %buf1) + %result2 = call i32 @foo(i32 0, i8* %buf2) + ret void +} + + ; Check that we don't assert and crash even when there are allocas ; outside the declared lifetime regions. ;YESCOLOR: bad_range |