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| author | Matt Arsenault <Matthew.Arsenault@amd.com> | 2017-11-14 20:33:14 +0000 |
|---|---|---|
| committer | Matt Arsenault <Matthew.Arsenault@amd.com> | 2017-11-14 20:33:14 +0000 |
| commit | 9ba465a972512b8227a24464fe0466b158bbb781 (patch) | |
| tree | 5fbcbf5f71140707ea4fbed705e130484282f122 /llvm/test/CodeGen/AMDGPU/stack-size-overflow.ll | |
| parent | 5f4373a2fcbae30db6a194409144d7fa77d44162 (diff) | |
| download | bcm5719-llvm-9ba465a972512b8227a24464fe0466b158bbb781.tar.gz bcm5719-llvm-9ba465a972512b8227a24464fe0466b158bbb781.zip | |
AMDGPU: Error on stack size overflow
llvm-svn: 318189
Diffstat (limited to 'llvm/test/CodeGen/AMDGPU/stack-size-overflow.ll')
| -rw-r--r-- | llvm/test/CodeGen/AMDGPU/stack-size-overflow.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/stack-size-overflow.ll b/llvm/test/CodeGen/AMDGPU/stack-size-overflow.ll new file mode 100644 index 00000000000..45a399b058c --- /dev/null +++ b/llvm/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 +} |
