Files
archived-llvm/test/CodeGen/AMDGPU/atomic_load_sub.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

40 lines
1.6 KiB
LLVM

; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=R600 -check-prefix=FUNC %s
; FUNC-LABEL: {{^}}atomic_sub_local:
; R600: LDS_SUB *
; SI: ds_sub_u32
define void @atomic_sub_local(i32 addrspace(3)* %local) {
%unused = atomicrmw volatile sub i32 addrspace(3)* %local, i32 5 seq_cst
ret void
}
; FUNC-LABEL: {{^}}atomic_sub_local_const_offset:
; R600: LDS_SUB *
; SI: ds_sub_u32 v{{[0-9]+}}, v{{[0-9]+}} offset:16
define void @atomic_sub_local_const_offset(i32 addrspace(3)* %local) {
%gep = getelementptr i32, i32 addrspace(3)* %local, i32 4
%val = atomicrmw volatile sub i32 addrspace(3)* %gep, i32 5 seq_cst
ret void
}
; FUNC-LABEL: {{^}}atomic_sub_ret_local:
; R600: LDS_SUB_RET *
; SI: ds_sub_rtn_u32
define void @atomic_sub_ret_local(i32 addrspace(1)* %out, i32 addrspace(3)* %local) {
%val = atomicrmw volatile sub i32 addrspace(3)* %local, i32 5 seq_cst
store i32 %val, i32 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}atomic_sub_ret_local_const_offset:
; R600: LDS_SUB_RET *
; SI: ds_sub_rtn_u32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}} offset:20
define void @atomic_sub_ret_local_const_offset(i32 addrspace(1)* %out, i32 addrspace(3)* %local) {
%gep = getelementptr i32, i32 addrspace(3)* %local, i32 5
%val = atomicrmw volatile sub i32 addrspace(3)* %gep, i32 5 seq_cst
store i32 %val, i32 addrspace(1)* %out
ret void
}