diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2013-12-22 00:04:03 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2013-12-22 00:04:03 +0000 |
| commit | f8af5cf600354830d4ccf59732403f0f073eccb9 (patch) | |
| tree | 2ba0398b4c42ad4f55561327538044fd2c925a8b /test/CodeGen/X86/warn-stack.ll | |
| parent | 59d6cff90eecf31cb3dd860c4e786674cfdd42eb (diff) | |
Diffstat (limited to 'test/CodeGen/X86/warn-stack.ll')
| -rw-r--r-- | test/CodeGen/X86/warn-stack.ll | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/test/CodeGen/X86/warn-stack.ll b/test/CodeGen/X86/warn-stack.ll new file mode 100644 index 0000000000000..5979f45b07d86 --- /dev/null +++ b/test/CodeGen/X86/warn-stack.ll @@ -0,0 +1,24 @@ +; RUN: llc -mtriple x86_64-apple-macosx10.8.0 -warn-stack-size=80 < %s 2>&1 >/dev/null | FileCheck %s +; Check the internal option that warns when the stack size exceeds the +; given amount. +; <rdar://13987214> + +; CHECK-NOT: nowarn +define void @nowarn() nounwind ssp { +entry: + %buffer = alloca [12 x i8], align 1 + %arraydecay = getelementptr inbounds [12 x i8]* %buffer, i64 0, i64 0 + call void @doit(i8* %arraydecay) nounwind + ret void +} + +; CHECK: warning: Stack size limit exceeded (104) in warn. +define void @warn() nounwind ssp { +entry: + %buffer = alloca [80 x i8], align 1 + %arraydecay = getelementptr inbounds [80 x i8]* %buffer, i64 0, i64 0 + call void @doit(i8* %arraydecay) nounwind + ret void +} + +declare void @doit(i8*) |