Files
archived-llvm/test/CodeGen/AMDGPU/amdgcn.private-memory.ll
Matt Arsenault d019e8638a Enable FeatureFlatForGlobal on Volcanic Islands
This switches to the workaround that HSA defaults to
for the mesa path.

This should be applied to the 4.0 branch.

Patch by Vedran Miletić <vedran@miletic.net>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@292982 91177308-0d34-0410-b5e6-96231b3b80d8
2017-01-24 22:02:15 +00:00

32 lines
1.7 KiB
LLVM

; RUN: llc -mattr=+promote-alloca -verify-machineinstrs -march=amdgcn < %s | FileCheck -check-prefix=GCN -check-prefix=GCN-PROMOTE %s
; RUN: llc -mattr=+promote-alloca,-flat-for-global -verify-machineinstrs -mtriple=amdgcn--amdhsa -mcpu=kaveri < %s | FileCheck -check-prefix=GCN -check-prefix=GCN-PROMOTE -check-prefix=HSA %s
; RUN: llc -mattr=-promote-alloca -verify-machineinstrs -march=amdgcn < %s | FileCheck -check-prefix=GCN -check-prefix=GCN-ALLOCA %s
; RUN: llc -mattr=-promote-alloca,-flat-for-global -verify-machineinstrs -mtriple=amdgcn-amdhsa -mcpu=kaveri < %s | FileCheck -check-prefix=GCN -check-prefix=GCN-ALLOCA -check-prefix=HSA %s
; RUN: llc -mattr=+promote-alloca -verify-machineinstrs -march=amdgcn -mcpu=tonga -mattr=-flat-for-global < %s | FileCheck -check-prefix=GCN -check-prefix=GCN-PROMOTE %s
; RUN: llc -mattr=-promote-alloca -verify-machineinstrs -march=amdgcn -mcpu=tonga -mattr=-flat-for-global < %s | FileCheck -check-prefix=GCN -check-prefix=GCN-ALLOCA %s
declare i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
; Make sure we don't overwrite workitem information with private memory
; GCN-LABEL: {{^}}work_item_info:
; GCN-NOT: v0
; GCN: v_add_i32_e32 [[RESULT:v[0-9]+]], vcc, v0, v{{[0-9]+}}
; GCN: buffer_store_dword [[RESULT]]
define void @work_item_info(i32 addrspace(1)* %out, i32 %in) {
entry:
%0 = alloca [2 x i32]
%1 = getelementptr [2 x i32], [2 x i32]* %0, i32 0, i32 0
%2 = getelementptr [2 x i32], [2 x i32]* %0, i32 0, i32 1
store i32 0, i32* %1
store i32 1, i32* %2
%3 = getelementptr [2 x i32], [2 x i32]* %0, i32 0, i32 %in
%4 = load i32, i32* %3
%5 = call i32 @llvm.amdgcn.workitem.id.x()
%6 = add i32 %4, %5
store i32 %6, i32 addrspace(1)* %out
ret void
}