; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=powerpc64le-unknown-linux-gnu -enable-no-signed-zeros-fp-math \ ; RUN: -enable-unsafe-fp-math < %s | FileCheck -check-prefix=CHECK-FAST %s ; RUN: llc -mtriple=powerpc64le-unknown-linux-gnu -enable-no-signed-zeros-fp-math \ ; RUN: -enable-unsafe-fp-math -mattr=-vsx < %s | FileCheck -check-prefix=CHECK-FAST-NOVSX %s ; RUN: llc -mtriple=powerpc64le-unknown-linux-gnu < %s | FileCheck %s define dso_local double @fma_combine1(double %a, double %b, double %c) { ; CHECK-FAST-LABEL: fma_combine1: ; CHECK-FAST: # %bb.0: # %entry ; CHECK-FAST-NEXT: xsnmaddadp 1, 3, 2 ; CHECK-FAST-NEXT: blr ; ; CHECK-FAST-NOVSX-LABEL: fma_combine1: ; CHECK-FAST-NOVSX: # %bb.0: # %entry ; CHECK-FAST-NOVSX-NEXT: fnmadd 1, 3, 2, 1 ; CHECK-FAST-NOVSX-NEXT: blr ; ; CHECK-LABEL: fma_combine1: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: xsnegdp 0, 3 ; CHECK-NEXT: xsmuldp 0, 0, 2 ; CHECK-NEXT: xssubdp 1, 0, 1 ; CHECK-NEXT: blr entry: %fneg1 = fneg double %c %mul = fmul double %fneg1, %b %add = fsub double %mul, %a ret double %add } define dso_local double @fma_combine2(double %a, double %b, double %c) { ; CHECK-FAST-LABEL: fma_combine2: ; CHECK-FAST: # %bb.0: # %entry ; CHECK-FAST-NEXT: xsnmaddadp 1, 2, 3 ; CHECK-FAST-NEXT: blr ; ; CHECK-FAST-NOVSX-LABEL: fma_combine2: ; CHECK-FAST-NOVSX: # %bb.0: # %entry ; CHECK-FAST-NOVSX-NEXT: fnmadd 1, 2, 3, 1 ; CHECK-FAST-NOVSX-NEXT: blr ; ; CHECK-LABEL: fma_combine2: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: xsnegdp 0, 3 ; CHECK-NEXT: xsmuldp 0, 2, 0 ; CHECK-NEXT: xssubdp 1, 0, 1 ; CHECK-NEXT: blr entry: %fneg1 = fneg double %c %mul = fmul double %b, %fneg1 %add = fsub double %mul, %a ret double %add } @v = common dso_local local_unnamed_addr global double 0.000000e+00, align 8 @z = common dso_local local_unnamed_addr global double 0.000000e+00, align 8 define dso_local double @fma_combine_two_uses(double %a, double %b, double %c) { ; CHECK-FAST-LABEL: fma_combine_two_uses: ; CHECK-FAST: # %bb.0: # %entry ; CHECK-FAST-NEXT: xsnegdp 0, 1 ; CHECK-FAST-NEXT: addis 3, 2, v@toc@ha ; CHECK-FAST-NEXT: addis 4, 2, z@toc@ha ; CHECK-FAST-NEXT: xsnmaddadp 1, 3, 2 ; CHECK-FAST-NEXT: xsnegdp 2, 3 ; CHECK-FAST-NEXT: stfd 0, v@toc@l(3) ; CHECK-FAST-NEXT: stfd 2, z@toc@l(4) ; CHECK-FAST-NEXT: blr ; ; CHECK-FAST-NOVSX-LABEL: fma_combine_two_uses: ; CHECK-FAST-NOVSX: # %bb.0: # %entry ; CHECK-FAST-NOVSX-NEXT: fnmadd 0, 3, 2, 1 ; CHECK-FAST-NOVSX-NEXT: fneg 2, 1 ; CHECK-FAST-NOVSX-NEXT: addis 3, 2, v@toc@ha ; CHECK-FAST-NOVSX-NEXT: addis 4, 2, z@toc@ha ; CHECK-FAST-NOVSX-NEXT: fneg 3, 3 ; CHECK-FAST-NOVSX-NEXT: fmr 1, 0 ; CHECK-FAST-NOVSX-NEXT: stfd 2, v@toc@l(3) ; CHECK-FAST-NOVSX-NEXT: stfd 3, z@toc@l(4) ; CHECK-FAST-NOVSX-NEXT: blr ; ; CHECK-LABEL: fma_combine_two_uses: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: xsnegdp 3, 3 ; CHECK-NEXT: addis 3, 2, v@toc@ha ; CHECK-NEXT: addis 4, 2, z@toc@ha ; CHECK-NEXT: xsmuldp 0, 3, 2 ; CHECK-NEXT: stfd 3, z@toc@l(4) ; CHECK-NEXT: xsnegdp 2, 1 ; CHECK-NEXT: xssubdp 0, 0, 1 ; CHECK-NEXT: stfd 2, v@toc@l(3) ; CHECK-NEXT: fmr 1, 0 ; CHECK-NEXT: blr entry: %fneg = fneg double %a store double %fneg, double* @v, align 8 %fneg1 = fneg double %c store double %fneg1, double* @z, align 8 %mul = fmul double %fneg1, %b %add = fsub double %mul, %a ret double %add } define dso_local double @fma_combine_one_use(double %a, double %b, double %c) { ; CHECK-FAST-LABEL: fma_combine_one_use: ; CHECK-FAST: # %bb.0: # %entry ; CHECK-FAST-NEXT: xsnegdp 0, 1 ; CHECK-FAST-NEXT: addis 3, 2, v@toc@ha ; CHECK-FAST-NEXT: xsnmaddadp 1, 3, 2 ; CHECK-FAST-NEXT: stfd 0, v@toc@l(3) ; CHECK-FAST-NEXT: blr ; ; CHECK-FAST-NOVSX-LABEL: fma_combine_one_use: ; CHECK-FAST-NOVSX: # %bb.0: # %entry ; CHECK-FAST-NOVSX-NEXT: fnmadd 0, 3, 2, 1 ; CHECK-FAST-NOVSX-NEXT: fneg 2, 1 ; CHECK-FAST-NOVSX-NEXT: addis 3, 2, v@toc@ha ; CHECK-FAST-NOVSX-NEXT: fmr 1, 0 ; CHECK-FAST-NOVSX-NEXT: stfd 2, v@toc@l(3) ; CHECK-FAST-NOVSX-NEXT: blr ; ; CHECK-LABEL: fma_combine_one_use: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: xsnegdp 0, 3 ; CHECK-NEXT: addis 3, 2, v@toc@ha ; CHECK-NEXT: xsmuldp 0, 0, 2 ; CHECK-NEXT: xsnegdp 2, 1 ; CHECK-NEXT: xssubdp 0, 0, 1 ; CHECK-NEXT: stfd 2, v@toc@l(3) ; CHECK-NEXT: fmr 1, 0 ; CHECK-NEXT: blr entry: %fneg = fneg double %a store double %fneg, double* @v, align 8 %fneg1 = fneg double %c %mul = fmul double %fneg1, %b %add = fsub double %mul, %a ret double %add } define dso_local float @fma_combine_no_ice() { ; CHECK-FAST-LABEL: fma_combine_no_ice: ; CHECK-FAST: # %bb.0: ; CHECK-FAST-NEXT: addis 3, 2, .LCPI4_0@toc@ha ; CHECK-FAST-NEXT: addis 4, 2, .LCPI4_1@toc@ha ; CHECK-FAST-NEXT: lfs 0, .LCPI4_0@toc@l(3) ; CHECK-FAST-NEXT: lfsx 2, 0, 3 ; CHECK-FAST-NEXT: addis 3, 2, .LCPI4_2@toc@ha ; CHECK-FAST-NEXT: lfs 3, .LCPI4_1@toc@l(4) ; CHECK-FAST-NEXT: lfs 1, .LCPI4_2@toc@l(3) ; CHECK-FAST-NEXT: xsmaddasp 3, 2, 0 ; CHECK-FAST-NEXT: xsmaddasp 1, 2, 3 ; CHECK-FAST-NEXT: xsnmsubasp 1, 3, 2 ; CHECK-FAST-NEXT: blr ; ; CHECK-FAST-NOVSX-LABEL: fma_combine_no_ice: ; CHECK-FAST-NOVSX: # %bb.0: ; CHECK-FAST-NOVSX-NEXT: addis 3, 2, .LCPI4_0@toc@ha ; CHECK-FAST-NOVSX-NEXT: lfs 0, .LCPI4_0@toc@l(3) ; CHECK-FAST-NOVSX-NEXT: addis 3, 2, .LCPI4_1@toc@ha ; CHECK-FAST-NOVSX-NEXT: lfs 1, 0(3) ; CHECK-FAST-NOVSX-NEXT: lfs 2, .LCPI4_1@toc@l(3) ; CHECK-FAST-NOVSX-NEXT: addis 3, 2, .LCPI4_2@toc@ha ; CHECK-FAST-NOVSX-NEXT: fmadds 0, 1, 2, 0 ; CHECK-FAST-NOVSX-NEXT: lfs 2, .LCPI4_2@toc@l(3) ; CHECK-FAST-NOVSX-NEXT: fmadds 2, 1, 0, 2 ; CHECK-FAST-NOVSX-NEXT: fnmsubs 1, 0, 1, 2 ; CHECK-FAST-NOVSX-NEXT: blr ; ; CHECK-LABEL: fma_combine_no_ice: ; CHECK: # %bb.0: ; CHECK-NEXT: addis 3, 2, .LCPI4_0@toc@ha ; CHECK-NEXT: addis 4, 2, .LCPI4_1@toc@ha ; CHECK-NEXT: lfs 0, .LCPI4_0@toc@l(3) ; CHECK-NEXT: lfsx 2, 0, 3 ; CHECK-NEXT: addis 3, 2, .LCPI4_2@toc@ha ; CHECK-NEXT: lfs 3, .LCPI4_1@toc@l(4) ; CHECK-NEXT: lfs 1, .LCPI4_2@toc@l(3) ; CHECK-NEXT: fmr 4, 3 ; CHECK-NEXT: xsmaddasp 3, 2, 0 ; CHECK-NEXT: xsnmaddasp 4, 2, 0 ; CHECK-NEXT: xsmaddasp 1, 2, 3 ; CHECK-NEXT: xsmaddasp 1, 4, 2 ; CHECK-NEXT: blr %tmp = load float, float* undef, align 4 %tmp2 = load float, float* undef, align 4 %tmp3 = fmul reassoc float %tmp, 0x3FE372D780000000 %tmp4 = fadd reassoc float %tmp3, 1.000000e+00 %tmp5 = fmul reassoc float %tmp2, %tmp4 %tmp6 = load float, float* undef, align 4 %tmp7 = load float, float* undef, align 4 %tmp8 = fmul reassoc float %tmp7, 0x3FE372D780000000 %tmp9 = fsub reassoc nsz float -1.000000e+00, %tmp8 %tmp10 = fmul reassoc float %tmp9, %tmp6 %tmp11 = fadd reassoc float %tmp5, 5.000000e-01 %tmp12 = fadd reassoc float %tmp11, %tmp10 ret float %tmp12 } ; This would crash while trying getNegatedExpression(). define dso_local double @getNegatedExpression_crash(double %x, double %y) { ; CHECK-FAST-LABEL: getNegatedExpression_crash: ; CHECK-FAST: # %bb.0: ; CHECK-FAST-NEXT: addis 3, 2, .LCPI5_1@toc@ha ; CHECK-FAST-NEXT: addis 4, 2, .LCPI5_0@toc@ha ; CHECK-FAST-NEXT: lfs 3, .LCPI5_1@toc@l(3) ; CHECK-FAST-NEXT: lfs 4, .LCPI5_0@toc@l(4) ; CHECK-FAST-NEXT: xssubdp 0, 1, 3 ; CHECK-FAST-NEXT: xsmaddadp 3, 1, 4 ; CHECK-FAST-NEXT: xsmaddadp 0, 3, 2 ; CHECK-FAST-NEXT: fmr 1, 0 ; CHECK-FAST-NEXT: blr ; ; CHECK-FAST-NOVSX-LABEL: getNegatedExpression_crash: ; CHECK-FAST-NOVSX: # %bb.0: ; CHECK-FAST-NOVSX-NEXT: addis 3, 2, .LCPI5_0@toc@ha ; CHECK-FAST-NOVSX-NEXT: addis 4, 2, .LCPI5_1@toc@ha ; CHECK-FAST-NOVSX-NEXT: lfs 0, .LCPI5_0@toc@l(3) ; CHECK-FAST-NOVSX-NEXT: lfs 3, .LCPI5_1@toc@l(4) ; CHECK-FAST-NOVSX-NEXT: fmadd 3, 1, 3, 0 ; CHECK-FAST-NOVSX-NEXT: fsub 0, 1, 0 ; CHECK-FAST-NOVSX-NEXT: fmadd 1, 3, 2, 0 ; CHECK-FAST-NOVSX-NEXT: blr ; ; CHECK-LABEL: getNegatedExpression_crash: ; CHECK: # %bb.0: ; CHECK-NEXT: addis 3, 2, .LCPI5_1@toc@ha ; CHECK-NEXT: addis 4, 2, .LCPI5_0@toc@ha ; CHECK-NEXT: lfs 3, .LCPI5_1@toc@l(3) ; CHECK-NEXT: lfs 4, .LCPI5_0@toc@l(4) ; CHECK-NEXT: xssubdp 0, 1, 3 ; CHECK-NEXT: xsmaddadp 3, 1, 4 ; CHECK-NEXT: xsmaddadp 0, 3, 2 ; CHECK-NEXT: fmr 1, 0 ; CHECK-NEXT: blr %neg = fneg reassoc double %x %fma = call reassoc nsz double @llvm.fma.f64(double %neg, double 42.0, double -1.0) %add = fadd reassoc nsz double %x, 1.0 %fma1 = call reassoc nsz double @llvm.fma.f64(double %fma, double %y, double %add) ret double %fma1 } define dso_local double @fma_flag_propagation(double %a) { ; CHECK-FAST-LABEL: fma_flag_propagation: ; CHECK-FAST: # %bb.0: # %entry ; CHECK-FAST-NEXT: xxlxor 1, 1, 1 ; CHECK-FAST-NEXT: blr ; ; CHECK-FAST-NOVSX-LABEL: fma_flag_propagation: ; CHECK-FAST-NOVSX: # %bb.0: # %entry ; CHECK-FAST-NOVSX-NEXT: addis 3, 2, .LCPI6_0@toc@ha ; CHECK-FAST-NOVSX-NEXT: lfs 1, .LCPI6_0@toc@l(3) ; CHECK-FAST-NOVSX-NEXT: blr ; ; CHECK-LABEL: fma_flag_propagation: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: xxlxor 1, 1, 1 ; CHECK-NEXT: blr entry: %0 = fneg double %a %1 = call reassoc nnan double @llvm.fma.f64(double %0, double 1.0, double %a) ret double %1 } define dso_local double @neg_fma_flag_propagation(double %a) { ; CHECK-FAST-LABEL: neg_fma_flag_propagation: ; CHECK-FAST: # %bb.0: # %entry ; CHECK-FAST-NEXT: xxlxor 1, 1, 1 ; CHECK-FAST-NEXT: blr ; ; CHECK-FAST-NOVSX-LABEL: neg_fma_flag_propagation: ; CHECK-FAST-NOVSX: # %bb.0: # %entry ; CHECK-FAST-NOVSX-NEXT: addis 3, 2, .LCPI7_0@toc@ha ; CHECK-FAST-NOVSX-NEXT: lfs 1, .LCPI7_0@toc@l(3) ; CHECK-FAST-NOVSX-NEXT: blr ; ; CHECK-LABEL: neg_fma_flag_propagation: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: xxlxor 1, 1, 1 ; CHECK-NEXT: blr entry: %0 = call reassoc nnan double @llvm.fma.f64(double %a, double -1.0, double %a) ret double %0 } define <2 x double> @vec_neg_fma_flag_propagation(<2 x double> %a) { ; CHECK-FAST-LABEL: vec_neg_fma_flag_propagation: ; CHECK-FAST: # %bb.0: # %entry ; CHECK-FAST-NEXT: addis 3, 2, .LCPI8_0@toc@ha ; CHECK-FAST-NEXT: addi 3, 3, .LCPI8_0@toc@l ; CHECK-FAST-NEXT: lxvd2x 0, 0, 3 ; CHECK-FAST-NEXT: xxswapd 0, 0 ; CHECK-FAST-NEXT: xvmaddadp 34, 34, 0 ; CHECK-FAST-NEXT: blr ; ; CHECK-FAST-NOVSX-LABEL: vec_neg_fma_flag_propagation: ; CHECK-FAST-NOVSX: # %bb.0: # %entry ; CHECK-FAST-NOVSX-NEXT: addis 3, 2, .LCPI8_0@toc@ha ; CHECK-FAST-NOVSX-NEXT: lfs 1, .LCPI8_0@toc@l(3) ; CHECK-FAST-NOVSX-NEXT: fmr 2, 1 ; CHECK-FAST-NOVSX-NEXT: blr ; ; CHECK-LABEL: vec_neg_fma_flag_propagation: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: addis 3, 2, .LCPI8_0@toc@ha ; CHECK-NEXT: addi 3, 3, .LCPI8_0@toc@l ; CHECK-NEXT: lxvd2x 0, 0, 3 ; CHECK-NEXT: xxswapd 0, 0 ; CHECK-NEXT: xvmaddadp 34, 34, 0 ; CHECK-NEXT: blr entry: %0 = call reassoc nnan <2 x double> @llvm.fma.v2f64(<2 x double> %a, <2 x double> , <2 x double> %a) ret <2 x double> %0 } define dso_local double @fma_combine_const(double %a, double %b) { ; CHECK-FAST-LABEL: fma_combine_const: ; CHECK-FAST: # %bb.0: # %entry ; CHECK-FAST-NEXT: addis 3, 2, .LCPI9_0@toc@ha ; CHECK-FAST-NEXT: lfd 0, .LCPI9_0@toc@l(3) ; CHECK-FAST-NEXT: xsmaddadp 2, 1, 0 ; CHECK-FAST-NEXT: fmr 1, 2 ; CHECK-FAST-NEXT: blr ; ; CHECK-FAST-NOVSX-LABEL: fma_combine_const: ; CHECK-FAST-NOVSX: # %bb.0: # %entry ; CHECK-FAST-NOVSX-NEXT: addis 3, 2, .LCPI9_0@toc@ha ; CHECK-FAST-NOVSX-NEXT: lfd 0, .LCPI9_0@toc@l(3) ; CHECK-FAST-NOVSX-NEXT: fmadd 1, 1, 0, 2 ; CHECK-FAST-NOVSX-NEXT: blr ; ; CHECK-LABEL: fma_combine_const: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: addis 3, 2, .LCPI9_0@toc@ha ; CHECK-NEXT: lfd 0, .LCPI9_0@toc@l(3) ; CHECK-NEXT: addis 3, 2, .LCPI9_1@toc@ha ; CHECK-NEXT: lfd 3, .LCPI9_1@toc@l(3) ; CHECK-NEXT: xsmuldp 0, 1, 0 ; CHECK-NEXT: fmr 1, 2 ; CHECK-NEXT: xsmaddadp 1, 0, 3 ; CHECK-NEXT: blr entry: %0 = fmul double %a, 1.1 %1 = call contract double @llvm.fma.f64(double %0, double 2.1, double %b) ret double %1 } declare double @llvm.fma.f64(double, double, double) nounwind readnone declare <2 x double> @llvm.fma.v2f64(<2 x double>, <2 x double>, <2 x double>) nounwind readnone