llvm/test/CodeGen/AMDGPU/large-alloca.ll
Matt Arsenault ee4932fd12 AMDGPU: Un XFAIL a test
This should probably be merged with one of the other private memory
tests, but it fails on r600.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@251856 91177308-0d34-0410-b5e6-96231b3b80d8
2015-11-02 23:15:46 +00:00

19 lines
877 B
LLVM

; RUN: llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SI %s
; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI %s
; GCN-LABEL: {{^}}large_alloca:
; GCN: buffer_store_dword v{{[0-9]+}}, v{{[0-9]+}}, s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}} offen
; GCN: buffer_load_dword v{{[0-9]+}}, v{{[0-9]+}}, s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}} offen
; GCN: ScratchSize: 32768
define void @large_alloca(i32 addrspace(1)* %out, i32 %x, i32 %y) #0 {
%large = alloca [8192 x i32], align 4
%gep = getelementptr [8192 x i32], [8192 x i32]* %large, i32 0, i32 8191
store i32 %x, i32* %gep
%gep1 = getelementptr [8192 x i32], [8192 x i32]* %large, i32 0, i32 %y
%load = load i32, i32* %gep1
store i32 %load, i32 addrspace(1)* %out
ret void
}
attributes #0 = { nounwind }