| ; RUN: llc < %s -march=arm -mattr=+vfp2 | FileCheck %s -check-prefix=VFP2 | |
| ; RUN: llc < %s -march=arm -mattr=+neon | FileCheck %s -check-prefix=NEON | |
| ; RUN: llc < %s -march=arm -mcpu=cortex-a8 | FileCheck %s -check-prefix=A8 | |
| ; RUN: llc < %s -march=arm -mcpu=cortex-a8 -regalloc=basic | FileCheck %s -check-prefix=A8 | |
| define float @t1(float %acc, float %a, float %b) nounwind { | |
| entry: | |
| ; VFP2: t1: | |
| ; VFP2: vnmla.f32 | |
| ; NEON: t1: | |
| ; NEON: vnmla.f32 | |
| ; A8: t1: | |
| ; A8: vnmul.f32 s{{[0-9]}}, s{{[0-9]}}, s{{[0-9]}} | |
| ; A8: vsub.f32 d{{[0-9]}}, d{{[0-9]}}, d{{[0-9]}} | |
| %0 = fmul float %a, %b | |
| %1 = fsub float -0.0, %0 | |
| %2 = fsub float %1, %acc | |
| ret float %2 | |
| } | |
| define float @t2(float %acc, float %a, float %b) nounwind { | |
| entry: | |
| ; VFP2: t2: | |
| ; VFP2: vnmla.f32 | |
| ; NEON: t2: | |
| ; NEON: vnmla.f32 | |
| ; A8: t2: | |
| ; A8: vnmul.f32 s{{[01234]}}, s{{[01234]}}, s{{[01234]}} | |
| ; A8: vsub.f32 d{{[0-9]}}, d{{[0-9]}}, d{{[0-9]}} | |
| %0 = fmul float %a, %b | |
| %1 = fmul float -1.0, %0 | |
| %2 = fsub float %1, %acc | |
| ret float %2 | |
| } | |
| define double @t3(double %acc, double %a, double %b) nounwind { | |
| entry: | |
| ; VFP2: t3: | |
| ; VFP2: vnmla.f64 | |
| ; NEON: t3: | |
| ; NEON: vnmla.f64 | |
| ; A8: t3: | |
| ; A8: vnmul.f64 d1{{[67]}}, d1{{[67]}}, d1{{[67]}} | |
| ; A8: vsub.f64 d1{{[67]}}, d1{{[67]}}, d1{{[67]}} | |
| %0 = fmul double %a, %b | |
| %1 = fsub double -0.0, %0 | |
| %2 = fsub double %1, %acc | |
| ret double %2 | |
| } | |
| define double @t4(double %acc, double %a, double %b) nounwind { | |
| entry: | |
| ; VFP2: t4: | |
| ; VFP2: vnmla.f64 | |
| ; NEON: t4: | |
| ; NEON: vnmla.f64 | |
| ; A8: t4: | |
| ; A8: vnmul.f64 d1{{[67]}}, d1{{[67]}}, d1{{[67]}} | |
| ; A8: vsub.f64 d1{{[67]}}, d1{{[67]}}, d1{{[67]}} | |
| %0 = fmul double %a, %b | |
| %1 = fmul double -1.0, %0 | |
| %2 = fsub double %1, %acc | |
| ret double %2 | |
| } |