| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32-- -ppc-asm-full-reg-names | FileCheck %s |
| |
| define double @test1(double %a, double %b, double %c, double %d) { |
| ; CHECK-LABEL: test1: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: fmul f0, f3, f4 |
| ; CHECK-NEXT: fmul f1, f1, f2 |
| ; CHECK-NEXT: fadd f1, f1, f0 |
| ; CHECK-NEXT: blr |
| %tmp2 = fsub double -0.000000e+00, %c |
| %tmp4 = fmul double %tmp2, %d |
| %tmp7 = fmul double %a, %b |
| %tmp9 = fsub double %tmp7, %tmp4 |
| ret double %tmp9 |
| } |
| |
| declare float @llvm.fmuladd.f32(float, float, float) #4 |
| |
| define float @fma_fneg_fneg(float %x, float %y, float %z) { |
| ; CHECK-LABEL: fma_fneg_fneg: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: fmadds f1, f1, f2, f3 |
| ; CHECK-NEXT: blr |
| %negx = fneg float %x |
| %negy = fneg float %y |
| %r = call float @llvm.fmuladd.f32(float %negx, float %negy, float %z) |
| ret float %r |
| } |
| |
| define float @fma_fneg_fsub(float %x, float %y0, float %y1, float %z) { |
| ; CHECK-LABEL: fma_fneg_fsub: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: fsubs f0, f3, f2 |
| ; CHECK-NEXT: fmadds f1, f1, f0, f4 |
| ; CHECK-NEXT: blr |
| %negx = fneg float %x |
| %negy = fsub nsz float %y0, %y1 |
| %r = call float @llvm.fmuladd.f32(float %negx, float %negy, float %z) |
| ret float %r |
| } |
| |
| ; Verify that we didn't hit assertion for this case. |
| define double @fneg_no_ice(float %x) { |
| ; CHECK-LABEL: fneg_no_ice: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: lis r3, .LCPI3_0@ha |
| ; CHECK-NEXT: lfs f0, .LCPI3_0@l(r3) |
| ; CHECK-NEXT: fsubs f0, f0, f1 |
| ; CHECK-NEXT: fmul f1, f0, f0 |
| ; CHECK-NEXT: fmul f1, f0, f1 |
| ; CHECK-NEXT: blr |
| %y = fsub fast float 1.0, %x |
| %e = fpext float %y to double |
| %e2 = fmul double %e, %e |
| %e3 = fmul double %e, %e2 |
| ret double %e3 |
| } |
| |
| define double @fneg_fmul_const(double %x) { |
| ; CHECK-LABEL: fneg_fmul_const: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: lis r3, .LCPI4_0@ha |
| ; CHECK-NEXT: lfd f0, .LCPI4_0@l(r3) |
| ; CHECK-NEXT: fmul f1, f1, f0 |
| ; CHECK-NEXT: blr |
| entry: |
| %f = fmul double %x, 1.2345 |
| %s = fneg double %f |
| ret double %s |
| } |