derek.holloway
7502bf64a4
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233 lines
7.0 KiB
LLVM
233 lines
7.0 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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; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc64-unknown-linux-gnu -fp-contract=fast -mcpu=pwr8 -disable-ppc-vsx-fma-mutation=false | FileCheck -check-prefix=CHECK-P8 %s
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; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc64le-unknown-linux-gnu -fp-contract=fast -mcpu=pwr8 -disable-ppc-vsx-fma-mutation=false | FileCheck -check-prefix=CHECK-P8 %s
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declare double @dummy1(double) #0
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declare double @dummy2(double, double) #0
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declare double @dummy3(double, double, double) #0
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declare float @dummy4(float, float) #0
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define double @test_FMADD1(double %A, double %B, double %C) {
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%D = fmul double %A, %B ; <double> [#uses=1]
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%E = fadd double %C, %D ; <double> [#uses=1]
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ret double %E
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; CHECK-LABEL: test_FMADD1:
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; CHECK: fmadd
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; CHECK-NEXT: blr
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; CHECK-VSX-LABEL: test_FMADD1:
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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_FMADD2(double %A, double %B, double %C) {
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%D = fmul double %A, %B ; <double> [#uses=1]
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%E = fadd double %D, %C ; <double> [#uses=1]
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ret double %E
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; CHECK-LABEL: test_FMADD2:
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; CHECK: fmadd
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; CHECK-NEXT: blr
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; CHECK-VSX-LABEL: test_FMADD2:
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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_FMSUB1(double %A, double %B, double %C) {
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%D = fmul double %A, %B ; <double> [#uses=1]
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%E = fsub double %D, %C ; <double> [#uses=1]
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ret double %E
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; CHECK-LABEL: test_FMSUB1:
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; CHECK: fmsub
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; CHECK-NEXT: blr
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; CHECK-VSX-LABEL: test_FMSUB1:
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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_FMSUB2(double %A, double %B, double %C, double %D) {
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%E = fmul double %A, %B ; <double> [#uses=2]
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%F = fadd double %E, %C ; <double> [#uses=1]
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%G = fsub double %E, %D ; <double> [#uses=1]
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%H = call double @dummy2(double %F, double %G) ; <double> [#uses=1]
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ret double %H
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; CHECK-LABEL: test_FMSUB2:
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; CHECK: fmadd
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; CHECK-NEXT: fmsub
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; CHECK-VSX-LABEL: test_FMSUB2:
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; CHECK-VSX: xsmaddadp
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; CHECK-VSX-NEXT: xsmsubmdp
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}
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define double @test_FNMADD1(double %A, double %B, double %C) {
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%D = fmul double %A, %B ; <double> [#uses=1]
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%E = fadd double %D, %C ; <double> [#uses=1]
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%F = fsub double -0.000000e+00, %E ; <double> [#uses=1]
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ret double %F
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; CHECK-LABEL: test_FNMADD1:
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; CHECK: fnmadd
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; CHECK-NEXT: blr
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; CHECK-VSX-LABEL: test_FNMADD1:
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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_FNMADD2(double %A, double %B, double %C) {
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%D = fmul double %A, %B ; <double> [#uses=1]
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%E = fadd double %C, %D ; <double> [#uses=1]
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%F = fsub double -0.000000e+00, %E ; <double> [#uses=1]
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ret double %F
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; CHECK-LABEL: test_FNMADD2:
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; CHECK: fnmadd
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; CHECK-NEXT: blr
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; CHECK-VSX-LABEL: test_FNMADD2:
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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_FNMSUB1(double %A, double %B, double %C) {
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%D = fmul double %A, %B ; <double> [#uses=1]
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%E = fsub double %C, %D ; <double> [#uses=1]
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ret double %E
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; CHECK-LABEL: test_FNMSUB1:
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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_FNMSUB1:
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; CHECK-VSX: xsnegdp
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; CHECK-VSX-NEXT: xsmaddmdp
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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_FNMSUB1_NSZ(double %A, double %B, double %C) {
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%D = fmul nsz double %A, %B ; <double> [#uses=1]
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%E = fsub nsz double %C, %D ; <double> [#uses=1]
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ret double %E
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; CHECK-LABEL: test_FNMSUB1_NSZ:
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; CHECK: fnmsub
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; CHECK-NEXT: blr
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; CHECK-VSX-LABEL: test_FNMSUB1_NSZ:
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; CHECK-VSX: xsnmsubmdp
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}
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define double @test_FNMSUB2(double %A, double %B, double %C) {
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%D = fmul double %A, %B ; <double> [#uses=1]
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%E = fsub double %D, %C ; <double> [#uses=1]
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%F = fsub double -0.000000e+00, %E ; <double> [#uses=1]
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ret double %F
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; CHECK-LABEL: test_FNMSUB2:
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; CHECK: fnmsub
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; CHECK-NEXT: blr
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; CHECK-VSX-LABEL: test_FNMSUB2:
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; CHECK-VSX: xsnmsubmdp
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; CHECK-VSX-NEXT: blr
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}
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define float @test_FNMSUBS(float %A, float %B, float %C) {
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%D = fmul float %A, %B ; <float> [#uses=1]
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%E = fsub float %D, %C ; <float> [#uses=1]
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%F = fsub float -0.000000e+00, %E ; <float> [#uses=1]
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ret float %F
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; CHECK-LABEL: test_FNMSUBS:
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; CHECK: fnmsubs
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; CHECK-NEXT: blr
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; CHECK-VSX-LABEL: test_FNMSUBS:
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; CHECK-VSX: fnmsubs
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; CHECK-VSX-NEXT: blr
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}
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define float @test_XSMADDMSP(float %A, float %B, float %C) {
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%D = fmul float %A, %B ; <float> [#uses=1]
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%E = fadd float %C, %D ; <float> [#uses=1]
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ret float %E
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; CHECK-P8-LABEL: test_XSMADDMSP:
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; CHECK-P8: xsmaddmsp
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; CHECK-P8-NEXT: blr
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}
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define float @test_XSMSUBMSP(float %A, float %B, float %C) {
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%D = fmul float %A, %B ; <float> [#uses=1]
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%E = fsub float %D, %C ; <float> [#uses=1]
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ret float %E
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; CHECK-P8-LABEL: test_XSMSUBMSP:
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; CHECK-P8: xsmsubmsp
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; CHECK-P8-NEXT: blr
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}
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define float @test_XSMADDASP(float %A, float %B, float %C, float %D) {
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%E = fmul float %A, %B ; <float> [#uses=2]
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%F = fadd float %E, %C ; <float> [#uses=1]
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%G = fsub float %E, %D ; <float> [#uses=1]
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%H = call float @dummy4(float %F, float %G) ; <float> [#uses=1]
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ret float %H
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; CHECK-P8-LABEL: test_XSMADDASP:
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; CHECK-P8: xsmaddasp
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; CHECK-P8-NEXT: xsmsubmsp
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}
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define float @test_XSMSUBASP(float %A, float %B, float %C, float %D) {
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%E = fmul float %A, %B ; <float> [#uses=2]
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%F = fsub float %E, %C ; <float> [#uses=1]
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%G = fsub float %E, %D ; <float> [#uses=1]
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%H = call float @dummy4(float %F, float %G) ; <float> [#uses=1]
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ret float %H
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; CHECK-P8-LABEL: test_XSMSUBASP:
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; CHECK-P8: xsmsubasp
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; CHECK-P8-NEXT: xsmsubmsp
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}
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define float @test_XSNMADDMSP(float %A, float %B, float %C) {
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%D = fmul float %A, %B ; <float> [#uses=1]
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%E = fadd float %D, %C ; <float> [#uses=1]
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%F = fsub float -0.000000e+00, %E ; <float> [#uses=1]
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ret float %F
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; CHECK-P8-LABEL: test_XSNMADDMSP:
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; CHECK-P8: xsnmaddmsp
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; CHECK-P8-NEXT: blr
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}
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define float @test_XSNMSUBMSP(float %A, float %B, float %C) {
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%D = fmul float %A, %B ; <float> [#uses=1]
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%E = fsub float %D, %C ; <float> [#uses=1]
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%F = fsub float -0.000000e+00, %E ; <float> [#uses=1]
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ret float %F
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; CHECK-P8-LABEL: test_XSNMSUBMSP:
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; CHECK-P8: xsnmsubmsp
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; CHECK-P8-NEXT: blr
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}
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define float @test_XSNMADDASP(float %A, float %B, float %C) {
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%D = fmul float %A, %B ; <float> [#uses=1]
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%E = fadd float %D, %C ; <float> [#uses=1]
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%F = fsub float -0.000000e+00, %E ; <float> [#uses=1]
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%H = call float @dummy4(float %E, float %F) ; <float> [#uses=1]
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ret float %F
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; CHECK-P8-LABEL: test_XSNMADDASP:
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; CHECK-P8: xsnmaddasp
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; CHECK-VSX-LABEL: test_XSNMADDASP:
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; CHECK-VSX: fnmadds
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}
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define float @test_XSNMSUBASP(float %A, float %B, float %C) {
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%D = fmul float %A, %B ; <float> [#uses=1]
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%E = fsub float %D, %C ; <float> [#uses=1]
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%F = fsub float -0.000000e+00, %E ; <float> [#uses=1]
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%H = call float @dummy4(float %E, float %F) ; <float> [#uses=1]
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ret float %F
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; CHECK-P8-LABEL: test_XSNMSUBASP:
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; CHECK-P8: xsnmsubasp
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; CHECK-VSX-LABEL: test_XSNMSUBASP:
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; CHECK-VSX: fnmsubs
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}
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