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R600: Expand vector FABS

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NOTE: This is a candidate for the 3.4 branch.
llvm-svn: 195881
This commit is contained in:
Tom Stellard 2013-11-27 21:23:39 +00:00
parent eac3acc854
commit 95624c101d
2 changed files with 35 additions and 2 deletions
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1
lib/Target/R600/AMDGPUISelLowering.cpp
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@ -179,6 +179,7 @@ AMDGPUTargetLowering::AMDGPUTargetLowering(TargetMachine &TM) :
for (unsigned int x = 0; x < NumFloatTypes; ++x) {
MVT::SimpleValueType VT = FloatTypes[x];
setOperationAction(ISD::FABS, VT, Expand);
setOperationAction(ISD::FADD, VT, Expand);
setOperationAction(ISD::FDIV, VT, Expand);
setOperationAction(ISD::FFLOOR, VT, Expand);

36
test/CodeGen/R600/fabs.ll
View File

@ -5,10 +5,10 @@
; (fabs (f32 bitcast (i32 a))) => (f32 bitcast (and (i32 a), 0x7FFFFFFF))
; unless isFabsFree returns true
; R600-CHECK: @fabs_free
; R600-CHECK-LABEL: @fabs_free
; R600-CHECK-NOT: AND
; R600-CHECK: |PV.{{[XYZW]}}|
; SI-CHECK: @fabs_free
; SI-CHECK-LABEL: @fabs_free
; SI-CHECK: V_ADD_F32_e64 v{{[0-9]}}, s{{[0-9]}}, 0, 1, 0, 0, 0
define void @fabs_free(float addrspace(1)* %out, i32 %in) {
@ -19,4 +19,36 @@ entry:
ret void
}
; R600-CHECK-LABEL: @fabs_v2
; R600-CHECK: |{{(PV|T[0-9])\.[XYZW]}}|
; R600-CHECK: |{{(PV|T[0-9])\.[XYZW]}}|
; SI-CHECK-LABEL: @fabs_v2
; SI-CHECK: V_ADD_F32_e64 v{{[0-9]}}, s{{[0-9]}}, 0, 1, 0, 0, 0
; SI-CHECK: V_ADD_F32_e64 v{{[0-9]}}, s{{[0-9]}}, 0, 1, 0, 0, 0
define void @fabs_v2(<2 x float> addrspace(1)* %out, <2 x float> %in) {
entry:
%0 = call <2 x float> @llvm.fabs.v2f32(<2 x float> %in)
store <2 x float> %0, <2 x float> addrspace(1)* %out
ret void
}
; R600-CHECK-LABEL: @fabs_v4
; R600-CHECK: |{{(PV|T[0-9])\.[XYZW]}}|
; R600-CHECK: |{{(PV|T[0-9])\.[XYZW]}}|
; R600-CHECK: |{{(PV|T[0-9])\.[XYZW]}}|
; R600-CHECK: |{{(PV|T[0-9])\.[XYZW]}}|
; SI-CHECK-LABEL: @fabs_v4
; SI-CHECK: V_ADD_F32_e64 v{{[0-9]}}, s{{[0-9]}}, 0, 1, 0, 0, 0
; SI-CHECK: V_ADD_F32_e64 v{{[0-9]}}, s{{[0-9]}}, 0, 1, 0, 0, 0
; SI-CHECK: V_ADD_F32_e64 v{{[0-9]}}, s{{[0-9]}}, 0, 1, 0, 0, 0
; SI-CHECK: V_ADD_F32_e64 v{{[0-9]}}, s{{[0-9]}}, 0, 1, 0, 0, 0
define void @fabs_v4(<4 x float> addrspace(1)* %out, <4 x float> %in) {
entry:
%0 = call <4 x float> @llvm.fabs.v4f32(<4 x float> %in)
store <4 x float> %0, <4 x float> addrspace(1)* %out
ret void
}
declare float @fabs(float ) readnone
declare <2 x float> @llvm.fabs.v2f32(<2 x float> ) readnone
declare <4 x float> @llvm.fabs.v4f32(<4 x float> ) readnone