derek.holloway
7502bf64a4
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110 lines
3.5 KiB
LLVM
110 lines
3.5 KiB
LLVM
; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32-- -fp-contract=fast -mattr=-vsx -disable-ppc-vsx-fma-mutation=false | FileCheck %s
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; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc64-unknown-linux-gnu -fp-contract=fast -mattr=+vsx -mcpu=pwr7 -disable-ppc-vsx-fma-mutation=false | FileCheck -check-prefix=CHECK-VSX %s
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define double @test_FMADD_EXT1(float %A, float %B, double %C) {
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%D = fmul float %A, %B ; <float> [#uses=1]
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%E = fpext float %D to double ; <double> [#uses=1]
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%F = fadd double %E, %C ; <double> [#uses=1]
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ret double %F
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; CHECK-LABEL: test_FMADD_EXT1:
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; CHECK: fmadd
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; CHECK-NEXT: blr
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; CHECK-VSX-LABEL: test_FMADD_EXT1:
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; CHECK-VSX: xsmaddmdp
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; CHECK-VSX-NEXT: blr
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}
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define double @test_FMADD_EXT2(float %A, float %B, double %C) {
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%D = fmul float %A, %B ; <float> [#uses=1]
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%E = fpext float %D to double ; <double> [#uses=1]
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%F = fadd double %C, %E ; <double> [#uses=1]
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ret double %F
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; CHECK-LABEL: test_FMADD_EXT2:
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; CHECK: fmadd
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; CHECK-NEXT: blr
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; CHECK-VSX-LABEL: test_FMADD_EXT2:
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; CHECK-VSX: xsmaddmdp
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; CHECK-VSX-NEXT: blr
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}
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define double @test_FMSUB_EXT1(float %A, float %B, double %C) {
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%D = fmul float %A, %B ; <float> [#uses=1]
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%E = fpext float %D to double ; <double> [#uses=1]
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%F = fsub double %E, %C ; <double> [#uses=1]
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ret double %F
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; CHECK-LABEL: test_FMSUB_EXT1:
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; CHECK: fmsub
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; CHECK-NEXT: blr
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; CHECK-VSX-LABEL: test_FMSUB_EXT1:
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; CHECK-VSX: xsmsubmdp
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; CHECK-VSX-NEXT: blr
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}
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define double @test_FMSUB_EXT2(float %A, float %B, double %C) {
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%D = fmul float %A, %B ; <float> [#uses=1]
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%E = fpext float %D to double ; <double> [#uses=1]
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%F = fsub double %C, %E ; <double> [#uses=1]
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ret double %F
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; CHECK-LABEL: test_FMSUB_EXT2:
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; CHECK: fneg
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; CHECK-NEXT: fmadd
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; CHECK-NEXT: blr
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; CHECK-VSX-LABEL: test_FMSUB_EXT2:
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; CHECK-VSX: xsnegdp
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; CHECK-VSX-NEXT: xsmaddmdp
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; CHECK-VSX-NEXT: blr
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}
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; need nsz flag to generate fnmsub since it may affect sign of zero
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define double @test_FMSUB_EXT2_NSZ(float %A, float %B, double %C) {
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%D = fmul nsz float %A, %B ; <float> [#uses=1]
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%E = fpext float %D to double ; <double> [#uses=1]
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%F = fsub nsz double %C, %E ; <double> [#uses=1]
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ret double %F
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; CHECK-LABEL: test_FMSUB_EXT2_NSZ:
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; CHECK: fnmsub
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; CHECK-NEXT: blr
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; CHECK-VSX-LABEL: test_FMSUB_EXT2_NSZ:
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; CHECK-VSX: xsnmsubmdp
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; CHECK-VSX-NEXT: blr
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}
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define double @test_FMSUB_EXT3(float %A, float %B, double %C) {
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%D = fmul float %A, %B ; <float> [#uses=1]
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%E = fsub float -0.000000e+00, %D ; <float> [#uses=1]
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%F = fpext float %E to double ; <double> [#uses=1]
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%G = fsub double %F, %C ; <double> [#uses=1]
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ret double %G
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; CHECK-LABEL: test_FMSUB_EXT3:
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; CHECK: fnmadd
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; CHECK-NEXT: blr
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; CHECK-VSX-LABEL: test_FMSUB_EXT3:
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; CHECK-VSX: xsnmaddmdp
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; CHECK-VSX-NEXT: blr
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}
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define double @test_FMSUB_EXT4(float %A, float %B, double %C) {
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%D = fmul float %A, %B ; <float> [#uses=1]
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%E = fpext float %D to double ; <double> [#uses=1]
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%F = fsub double -0.000000e+00, %E ; <double> [#uses=1]
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%G = fsub double %F, %C ; <double> [#uses=1]
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ret double %G
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; CHECK-LABEL: test_FMSUB_EXT4:
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; CHECK: fnmadd
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; CHECK-NEXT: blr
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; CHECK-VSX-LABEL: test_FMSUB_EXT4:
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; CHECK-VSX: xsnmaddmdp
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; CHECK-VSX-NEXT: blr
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}
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