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llvm-mirror/test/CodeGen/AMDGPU/stack-size-overflow.ll
Yaxun Liu 512b9cf38e [AMDGPU] Switch to the new addr space mapping by default
This requires corresponding clang change.

Differential Revision: https://reviews.llvm.org/D40955

llvm-svn: 324101
2018-02-02 16:07:16 +00:00

15 lines
638 B
LLVM

; 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
}