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| author | Dimitry Andric <dim@FreeBSD.org> | 2017-12-18 20:10:56 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2017-12-18 20:10:56 +0000 |
| commit | 044eb2f6afba375a914ac9d8024f8f5142bb912e (patch) | |
| tree | 1475247dc9f9fe5be155ebd4c9069c75aadf8c20 /test/CodeGen/AMDGPU/stack-size-overflow.ll | |
| parent | eb70dddbd77e120e5d490bd8fbe7ff3f8fa81c6b (diff) | |
Notes
Diffstat (limited to 'test/CodeGen/AMDGPU/stack-size-overflow.ll')
| -rw-r--r-- | test/CodeGen/AMDGPU/stack-size-overflow.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/CodeGen/AMDGPU/stack-size-overflow.ll b/test/CodeGen/AMDGPU/stack-size-overflow.ll new file mode 100644 index 000000000000..45a399b058cc --- /dev/null +++ b/test/CodeGen/AMDGPU/stack-size-overflow.ll @@ -0,0 +1,14 @@ +; RUN: not llc -march=amdgcn < %s 2>&1 | FileCheck -check-prefix=ERROR %s +; RUN: not llc -march=amdgcn < %s | FileCheck -check-prefix=GCN %s + +declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i32, i1) #1 + +; ERROR: error: stack size limit exceeded (4294967296) in stack_size_limit +; GCN: ; ScratchSize: 4294967296 +define amdgpu_kernel void @stack_size_limit() #0 { +entry: + %alloca = alloca [1073741823 x i32], align 4 + %bc = bitcast [1073741823 x i32]* %alloca to i8* + call void @llvm.memset.p0i8.i32(i8* %bc, i8 9, i32 1073741823, i32 1, i1 true) + ret void +} |