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https://github.com/c64scene-ar/llvm-6502.git
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e283f74133
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208480 91177308-0d34-0410-b5e6-96231b3b80d8
66 lines
2.0 KiB
LLVM
66 lines
2.0 KiB
LLVM
; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s --check-prefix=R600-CHECK
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; RUN: llc < %s -march=r600 -mcpu=SI -verify-machineinstrs | FileCheck %s --check-prefix=SI-CHECK
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; DAGCombiner will transform:
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; (fabs (f32 bitcast (i32 a))) => (f32 bitcast (and (i32 a), 0x7FFFFFFF))
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; unless isFabsFree returns true
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; R600-CHECK-LABEL: @fabs_free
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; R600-CHECK-NOT: AND
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; R600-CHECK: |PV.{{[XYZW]}}|
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; SI-CHECK-LABEL: @fabs_free
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; SI-CHECK: V_AND_B32
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define void @fabs_free(float addrspace(1)* %out, i32 %in) {
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entry:
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%0 = bitcast i32 %in to float
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%1 = call float @fabs(float %0)
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store float %1, float addrspace(1)* %out
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ret void
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}
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; R600-CHECK-LABEL: @fabs_v2
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; R600-CHECK: |{{(PV|T[0-9])\.[XYZW]}}|
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; R600-CHECK: |{{(PV|T[0-9])\.[XYZW]}}|
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; SI-CHECK-LABEL: @fabs_v2
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; SI-CHECK: V_AND_B32
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; SI-CHECK: V_AND_B32
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define void @fabs_v2(<2 x float> addrspace(1)* %out, <2 x float> %in) {
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entry:
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%0 = call <2 x float> @llvm.fabs.v2f32(<2 x float> %in)
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store <2 x float> %0, <2 x float> addrspace(1)* %out
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ret void
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}
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; R600-CHECK-LABEL: @fabs_v4
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; R600-CHECK: |{{(PV|T[0-9])\.[XYZW]}}|
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; R600-CHECK: |{{(PV|T[0-9])\.[XYZW]}}|
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; R600-CHECK: |{{(PV|T[0-9])\.[XYZW]}}|
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; R600-CHECK: |{{(PV|T[0-9])\.[XYZW]}}|
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; SI-CHECK-LABEL: @fabs_v4
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; SI-CHECK: V_AND_B32
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; SI-CHECK: V_AND_B32
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; SI-CHECK: V_AND_B32
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; SI-CHECK: V_AND_B32
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define void @fabs_v4(<4 x float> addrspace(1)* %out, <4 x float> %in) {
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entry:
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%0 = call <4 x float> @llvm.fabs.v4f32(<4 x float> %in)
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store <4 x float> %0, <4 x float> addrspace(1)* %out
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ret void
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}
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; SI-CHECK-LABEL: @fabs_fold
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; SI-CHECK-NOT: V_AND_B32_e32
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; SI-CHECK: V_MUL_F32_e64 v{{[0-9]+}}, s{{[0-9]+}}, |v{{[0-9]+}}|
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define void @fabs_fold(float addrspace(1)* %out, float %in0, float %in1) {
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entry:
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%0 = call float @fabs(float %in0)
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%1 = fmul float %0, %in1
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store float %1, float addrspace(1)* %out
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ret void
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}
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declare float @fabs(float ) readnone
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declare <2 x float> @llvm.fabs.v2f32(<2 x float> ) readnone
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declare <4 x float> @llvm.fabs.v4f32(<4 x float> ) readnone
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