Files
archived-llvm/test/CodeGen/AMDGPU/reduce-load-width-alignment.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

39 lines
1.7 KiB
LLVM

; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SI %s
; RUN: llc -march=amdgcn -mcpu=bonaire -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=CI %s
; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI %s
; GCN-LABEL: {{^}}reduce_i64_load_align_4_width_to_i32:
; GCN: buffer_load_dword [[VAL:v[0-9]+]]
; GCN: v_and_b32_e32 v{{[0-9]+}}, 0x12d687, [[VAL]]
; GCN: buffer_store_dwordx2
define void @reduce_i64_load_align_4_width_to_i32(i64 addrspace(1)* %out, i64 addrspace(1)* %in) #0 {
%a = load i64, i64 addrspace(1)* %in, align 4
%and = and i64 %a, 1234567
store i64 %and, i64 addrspace(1)* %out, align 8
ret void
}
; GCN-LABEL: {{^}}reduce_i64_align_4_bitcast_v2i32_elt0:
; GCN: buffer_load_dword [[VAL:v[0-9]+]]
; GCN: buffer_store_dword [[VAL]]
define void @reduce_i64_align_4_bitcast_v2i32_elt0(i32 addrspace(1)* %out, i64 addrspace(1)* %in) #0 {
%a = load i64, i64 addrspace(1)* %in, align 4
%vec = bitcast i64 %a to <2 x i32>
%elt0 = extractelement <2 x i32> %vec, i32 0
store i32 %elt0, i32 addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}reduce_i64_align_4_bitcast_v2i32_elt1:
; GCN: buffer_load_dword [[VAL:v[0-9]+]], off, s{{\[[0-9]+:[0-9]+\]}}, 0 offset:4
; GCN: buffer_store_dword [[VAL]]
define void @reduce_i64_align_4_bitcast_v2i32_elt1(i32 addrspace(1)* %out, i64 addrspace(1)* %in) #0 {
%a = load i64, i64 addrspace(1)* %in, align 4
%vec = bitcast i64 %a to <2 x i32>
%elt0 = extractelement <2 x i32> %vec, i32 1
store i32 %elt0, i32 addrspace(1)* %out
ret void
}
attributes #0 = { nounwind }