; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32-- -fp-contract=fast -mattr=-vsx -disable-ppc-vsx-fma-mutation=false | FileCheck %s ; 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 ; 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 ; 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 declare double @dummy1(double) #0 declare double @dummy2(double, double) #0 declare double @dummy3(double, double, double) #0 declare float @dummy4(float, float) #0 define double @test_FMADD1(double %A, double %B, double %C) { %D = fmul double %A, %B ; [#uses=1] %E = fadd double %C, %D ; [#uses=1] ret double %E ; CHECK-LABEL: test_FMADD1: ; CHECK: fmadd ; CHECK-NEXT: blr ; CHECK-VSX-LABEL: test_FMADD1: ; CHECK-VSX: xsmaddmdp ; CHECK-VSX-NEXT: blr } define double @test_FMADD2(double %A, double %B, double %C) { %D = fmul double %A, %B ; [#uses=1] %E = fadd double %D, %C ; [#uses=1] ret double %E ; CHECK-LABEL: test_FMADD2: ; CHECK: fmadd ; CHECK-NEXT: blr ; CHECK-VSX-LABEL: test_FMADD2: ; CHECK-VSX: xsmaddmdp ; CHECK-VSX-NEXT: blr } define double @test_FMSUB1(double %A, double %B, double %C) { %D = fmul double %A, %B ; [#uses=1] %E = fsub double %D, %C ; [#uses=1] ret double %E ; CHECK-LABEL: test_FMSUB1: ; CHECK: fmsub ; CHECK-NEXT: blr ; CHECK-VSX-LABEL: test_FMSUB1: ; CHECK-VSX: xsmsubmdp ; CHECK-VSX-NEXT: blr } define double @test_FMSUB2(double %A, double %B, double %C, double %D) { %E = fmul double %A, %B ; [#uses=2] %F = fadd double %E, %C ; [#uses=1] %G = fsub double %E, %D ; [#uses=1] %H = call double @dummy2(double %F, double %G) ; [#uses=1] ret double %H ; CHECK-LABEL: test_FMSUB2: ; CHECK: fmadd ; CHECK-NEXT: fmsub ; CHECK-VSX-LABEL: test_FMSUB2: ; CHECK-VSX: xsmaddadp ; CHECK-VSX-NEXT: xsmsubmdp } define double @test_FNMADD1(double %A, double %B, double %C) { %D = fmul double %A, %B ; [#uses=1] %E = fadd double %D, %C ; [#uses=1] %F = fsub double -0.000000e+00, %E ; [#uses=1] ret double %F ; CHECK-LABEL: test_FNMADD1: ; CHECK: fnmadd ; CHECK-NEXT: blr ; CHECK-VSX-LABEL: test_FNMADD1: ; CHECK-VSX: xsnmaddmdp ; CHECK-VSX-NEXT: blr } define double @test_FNMADD2(double %A, double %B, double %C) { %D = fmul double %A, %B ; [#uses=1] %E = fadd double %C, %D ; [#uses=1] %F = fsub double -0.000000e+00, %E ; [#uses=1] ret double %F ; CHECK-LABEL: test_FNMADD2: ; CHECK: fnmadd ; CHECK-NEXT: blr ; CHECK-VSX-LABEL: test_FNMADD2: ; CHECK-VSX: xsnmaddmdp ; CHECK-VSX-NEXT: blr } define double @test_FNMSUB1(double %A, double %B, double %C) { %D = fmul double %A, %B ; [#uses=1] %E = fsub double %C, %D ; [#uses=1] ret double %E ; CHECK-LABEL: test_FNMSUB1: ; CHECK: fneg ; CHECK-NEXT: fmadd ; CHECK-NEXT: blr ; CHECK-VSX-LABEL: test_FNMSUB1: ; CHECK-VSX: xsnegdp ; CHECK-VSX-NEXT: xsmaddmdp } ; need nsz flag to generate fnmsub since it may affect sign of zero define double @test_FNMSUB1_NSZ(double %A, double %B, double %C) { %D = fmul nsz double %A, %B ; [#uses=1] %E = fsub nsz double %C, %D ; [#uses=1] ret double %E ; CHECK-LABEL: test_FNMSUB1_NSZ: ; CHECK: fnmsub ; CHECK-NEXT: blr ; CHECK-VSX-LABEL: test_FNMSUB1_NSZ: ; CHECK-VSX: xsnmsubmdp } define double @test_FNMSUB2(double %A, double %B, double %C) { %D = fmul double %A, %B ; [#uses=1] %E = fsub double %D, %C ; [#uses=1] %F = fsub double -0.000000e+00, %E ; [#uses=1] ret double %F ; CHECK-LABEL: test_FNMSUB2: ; CHECK: fnmsub ; CHECK-NEXT: blr ; CHECK-VSX-LABEL: test_FNMSUB2: ; CHECK-VSX: xsnmsubmdp ; CHECK-VSX-NEXT: blr } define float @test_FNMSUBS(float %A, float %B, float %C) { %D = fmul float %A, %B ; [#uses=1] %E = fsub float %D, %C ; [#uses=1] %F = fsub float -0.000000e+00, %E ; [#uses=1] ret float %F ; CHECK-LABEL: test_FNMSUBS: ; CHECK: fnmsubs ; CHECK-NEXT: blr ; CHECK-VSX-LABEL: test_FNMSUBS: ; CHECK-VSX: fnmsubs ; CHECK-VSX-NEXT: blr } define float @test_XSMADDMSP(float %A, float %B, float %C) { %D = fmul float %A, %B ; [#uses=1] %E = fadd float %C, %D ; [#uses=1] ret float %E ; CHECK-P8-LABEL: test_XSMADDMSP: ; CHECK-P8: xsmaddmsp ; CHECK-P8-NEXT: blr } define float @test_XSMSUBMSP(float %A, float %B, float %C) { %D = fmul float %A, %B ; [#uses=1] %E = fsub float %D, %C ; [#uses=1] ret float %E ; CHECK-P8-LABEL: test_XSMSUBMSP: ; CHECK-P8: xsmsubmsp ; CHECK-P8-NEXT: blr } define float @test_XSMADDASP(float %A, float %B, float %C, float %D) { %E = fmul float %A, %B ; [#uses=2] %F = fadd float %E, %C ; [#uses=1] %G = fsub float %E, %D ; [#uses=1] %H = call float @dummy4(float %F, float %G) ; [#uses=1] ret float %H ; CHECK-P8-LABEL: test_XSMADDASP: ; CHECK-P8: xsmaddasp ; CHECK-P8-NEXT: xsmsubmsp } define float @test_XSMSUBASP(float %A, float %B, float %C, float %D) { %E = fmul float %A, %B ; [#uses=2] %F = fsub float %E, %C ; [#uses=1] %G = fsub float %E, %D ; [#uses=1] %H = call float @dummy4(float %F, float %G) ; [#uses=1] ret float %H ; CHECK-P8-LABEL: test_XSMSUBASP: ; CHECK-P8: xsmsubasp ; CHECK-P8-NEXT: xsmsubmsp } define float @test_XSNMADDMSP(float %A, float %B, float %C) { %D = fmul float %A, %B ; [#uses=1] %E = fadd float %D, %C ; [#uses=1] %F = fsub float -0.000000e+00, %E ; [#uses=1] ret float %F ; CHECK-P8-LABEL: test_XSNMADDMSP: ; CHECK-P8: xsnmaddmsp ; CHECK-P8-NEXT: blr } define float @test_XSNMSUBMSP(float %A, float %B, float %C) { %D = fmul float %A, %B ; [#uses=1] %E = fsub float %D, %C ; [#uses=1] %F = fsub float -0.000000e+00, %E ; [#uses=1] ret float %F ; CHECK-P8-LABEL: test_XSNMSUBMSP: ; CHECK-P8: xsnmsubmsp ; CHECK-P8-NEXT: blr } define float @test_XSNMADDASP(float %A, float %B, float %C) { %D = fmul float %A, %B ; [#uses=1] %E = fadd float %D, %C ; [#uses=1] %F = fsub float -0.000000e+00, %E ; [#uses=1] %H = call float @dummy4(float %E, float %F) ; [#uses=1] ret float %F ; CHECK-P8-LABEL: test_XSNMADDASP: ; CHECK-P8: xsnmaddasp ; CHECK-VSX-LABEL: test_XSNMADDASP: ; CHECK-VSX: fnmadds } define float @test_XSNMSUBASP(float %A, float %B, float %C) { %D = fmul float %A, %B ; [#uses=1] %E = fsub float %D, %C ; [#uses=1] %F = fsub float -0.000000e+00, %E ; [#uses=1] %H = call float @dummy4(float %E, float %F) ; [#uses=1] ret float %F ; CHECK-P8-LABEL: test_XSNMSUBASP: ; CHECK-P8: xsnmsubasp ; CHECK-VSX-LABEL: test_XSNMSUBASP: ; CHECK-VSX: fnmsubs }