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AMDGPU: Set v2i32 any_extend to expand

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llvm-svn: 314993
This commit is contained in:
Matt Arsenault 2017-10-05 17:38:30 +00:00
parent 973a56b36f
commit 409ab5393f
2 changed files with 34 additions and 8 deletions
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1
lib/Target/AMDGPU/SIISelLowering.cpp
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@ -468,6 +468,7 @@ SITargetLowering::SITargetLowering(const TargetMachine &TM,
setOperationAction(ISD::EXTRACT_VECTOR_ELT, MVT::v2i16, Custom);
setOperationAction(ISD::EXTRACT_VECTOR_ELT, MVT::v2f16, Custom);
setOperationAction(ISD::ANY_EXTEND, MVT::v2i32, Expand);
setOperationAction(ISD::ZERO_EXTEND, MVT::v2i32, Expand);
setOperationAction(ISD::SIGN_EXTEND, MVT::v2i32, Expand);
setOperationAction(ISD::FP_EXTEND, MVT::v2f32, Expand);

41
test/CodeGen/AMDGPU/anyext.ll
View File

@ -1,12 +1,13 @@
; RUN: llc -march=amdgcn -mcpu=verde -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SI %s
; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI %s
; RUN: llc -march=amdgcn -mcpu=verde -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,SI %s
; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,VI,GFX89 %s
; RUN: llc -march=amdgcn -mcpu=gfx900 -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,GFX9,GFX89 %s
declare i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
declare i32 @llvm.amdgcn.workitem.id.y() nounwind readnone
; GCN-LABEL: {{^}}anyext_i1_i32:
; GCN: v_cndmask_b32_e64
define amdgpu_kernel void @anyext_i1_i32(i32 addrspace(1)* %out, i32 %cond) {
define amdgpu_kernel void @anyext_i1_i32(i32 addrspace(1)* %out, i32 %cond) #0 {
entry:
%tmp = icmp eq i32 %cond, 0
%tmp1 = zext i1 %tmp to i8
@ -18,11 +19,11 @@ entry:
}
; GCN-LABEL: {{^}}s_anyext_i16_i32:
; VI: v_add_u16_e32 [[ADD:v[0-9]+]],
; VI: v_xor_b32_e32 [[XOR:v[0-9]+]], -1, [[ADD]]
; VI: v_and_b32_e32 [[AND:v[0-9]+]], 1, [[XOR]]
; VI: buffer_store_dword [[AND]]
define amdgpu_kernel void @s_anyext_i16_i32(i32 addrspace(1)* %out, i16 addrspace(1)* %a, i16 addrspace(1)* %b) {
; GFX89: v_add_u16_e32 [[ADD:v[0-9]+]],
; GFX89: v_xor_b32_e32 [[XOR:v[0-9]+]], -1, [[ADD]]
; GFX89: v_and_b32_e32 [[AND:v[0-9]+]], 1, [[XOR]]
; GFX89: buffer_store_dword [[AND]]
define amdgpu_kernel void @s_anyext_i16_i32(i32 addrspace(1)* %out, i16 addrspace(1)* %a, i16 addrspace(1)* %b) #0 {
entry:
%tid.x = call i32 @llvm.amdgcn.workitem.id.x()
%tid.y = call i32 @llvm.amdgcn.workitem.id.y()
@ -38,3 +39,27 @@ entry:
store i32 %tmp4, i32 addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}anyext_v2i16_to_v2i32:
; GFX9: global_load_short_d16_hi
; GFX9: v_and_b32_e32 v{{[0-9]+}}, 0x80008000
; GFX9: v_bfi_b32 v{{[0-9]+}}, v{{[0-9]+}}, 0, v{{[0-9]+}}
; GFX9: v_cmp_eq_f32_e32
; GFX9: v_cndmask_b32_e64 v{{[0-9]+}}, 0, 1, vcc
define amdgpu_kernel void @anyext_v2i16_to_v2i32() #0 {
bb:
%tmp = load i16, i16 addrspace(1)* undef, align 2
%tmp2 = insertelement <2 x i16> undef, i16 %tmp, i32 1
%tmp4 = and <2 x i16> %tmp2, <i16 -32768, i16 -32768>
%tmp5 = zext <2 x i16> %tmp4 to <2 x i32>
%tmp6 = shl nuw <2 x i32> %tmp5, <i32 16, i32 16>
%tmp7 = or <2 x i32> zeroinitializer, %tmp6
%tmp8 = bitcast <2 x i32> %tmp7 to <2 x float>
%tmp10 = fcmp oeq <2 x float> %tmp8, zeroinitializer
%tmp11 = zext <2 x i1> %tmp10 to <2 x i8>
%tmp12 = extractelement <2 x i8> %tmp11, i32 1
store i8 %tmp12, i8 addrspace(1)* undef, align 1
ret void
}
attributes #0 = { nounwind }