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llvm-project/llvm/test/CodeGen/AMDGPU/amdgcn.private-memory.ll

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AMDGPU: Define priorities for register classes Allocating larger register classes first should give better allocation results (and more importantly for myself, make the lit tests more stable with respect to scheduler changes). Patch by Matthias Braun llvm-svn: 270312
2016-05-21 11:55:07 +08:00
; 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 < %s | FileCheck -check-prefix=GCN -check-prefix=GCN-PROMOTE %s
; RUN: llc -mattr=-promote-alloca -verify-machineinstrs -march=amdgcn -mcpu=tonga < %s | FileCheck -check-prefix=GCN -check-prefix=GCN-ALLOCA %s
AMDGPU: Split private memory tests Reenable R600 testing reviewer: arsenm Differential Revision: http://reviews.llvm.org/D20031 llvm-svn: 269207
2016-05-12 01:24:45 +08:00
declare i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
; Make sure we don't overwrite workitem information with private memory
AMDGPU: Define priorities for register classes Allocating larger register classes first should give better allocation results (and more importantly for myself, make the lit tests more stable with respect to scheduler changes). Patch by Matthias Braun llvm-svn: 270312
2016-05-21 11:55:07 +08:00
; 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]]
AMDGPU: Split private memory tests Reenable R600 testing reviewer: arsenm Differential Revision: http://reviews.llvm.org/D20031 llvm-svn: 269207
2016-05-12 01:24:45 +08:00
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
}