File: stack-size-overflow.ll

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llvm-toolchain-11 1%3A11.0.1-2~deb10u1
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; 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.p5i8.i32(i8 addrspace(5)* 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, addrspace(5)
  %bc = bitcast [1073741823 x i32] addrspace(5)* %alloca to i8 addrspace(5)*
  call void @llvm.memset.p5i8.i32(i8 addrspace(5)* %bc, i8 9, i32 1073741823, i32 1, i1 true)
  ret void
}