|  | ; RUN: llc -mtriple=arm-eabihf -mattr=+vfp2 %s -o - \ | 
|  | ; RUN:  | FileCheck %s -check-prefix=VFP2 | 
|  |  | 
|  | ; RUN: llc -mtriple=arm-eabihf -mattr=+vfp3 %s -o - \ | 
|  | ; RUN:  | FileCheck %s -check-prefix=VFP3 | 
|  |  | 
|  | ; RUN: llc -mtriple=arm-eabihf -mattr=+neon %s -o - \ | 
|  | ; RUN:  | FileCheck %s -check-prefix=NEON | 
|  |  | 
|  | ; RUN: llc -mtriple=arm-eabi -mcpu=cortex-a8 %s -o - \ | 
|  | ; RUN:  | FileCheck %s -check-prefix=A8 | 
|  |  | 
|  | ; RUN: llc -mtriple=arm-eabi -mcpu=cortex-a8 -regalloc=basic %s -o - \ | 
|  | ; RUN:  | FileCheck %s -check-prefix=A8 | 
|  |  | 
|  | ; RUN: llc -mtriple=arm-eabi -mcpu=cortex-a8 --enable-unsafe-fp-math %s -o - \ | 
|  | ; RUN:  | FileCheck %s -check-prefix=A8U | 
|  |  | 
|  | ; RUN: llc -mtriple=arm-darwin -mcpu=cortex-a8 %s -o - \ | 
|  | ; RUN:  | FileCheck %s -check-prefix=A8U | 
|  |  | 
|  | define float @t1(float %acc, float %a, float %b) nounwind { | 
|  | entry: | 
|  | ; VFP2-LABEL: t1: | 
|  | ; VFP2: vnmla.f32 | 
|  |  | 
|  | ; VFP3-LABEL: t1: | 
|  | ; VFP3: vnmla.f32 | 
|  |  | 
|  | ; NEON-LABEL: t1: | 
|  | ; NEON: vnmla.f32 | 
|  |  | 
|  | ; A8U-LABEL: t1: | 
|  | ; A8U: vnmul.f32 s{{[0-9]}}, s{{[0-9]}}, s{{[0-9]}} | 
|  | ; A8U: vsub.f32 d{{[0-9]}}, d{{[0-9]}}, d{{[0-9]}} | 
|  |  | 
|  | ; A8-LABEL: t1: | 
|  | ; A8: vnmul.f32 s{{[0-9]}}, s{{[0-9]}}, s{{[0-9]}} | 
|  | ; A8: vsub.f32 s{{[0-9]}}, s{{[0-9]}}, s{{[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-LABEL: t2: | 
|  | ; VFP2: vnmla.f32 | 
|  |  | 
|  | ; VFP3-LABEL: t2: | 
|  | ; VFP3: vnmla.f32 | 
|  |  | 
|  | ; NEON-LABEL: t2: | 
|  | ; NEON: vnmla.f32 | 
|  |  | 
|  | ; A8U-LABEL: t2: | 
|  | ; A8U: vnmul.f32 s{{[01234]}}, s{{[01234]}}, s{{[01234]}} | 
|  | ; A8U: vsub.f32 d{{[0-9]}}, d{{[0-9]}}, d{{[0-9]}} | 
|  |  | 
|  | ; A8-LABEL: t2: | 
|  | ; A8: vnmul.f32 s{{[01234]}}, s{{[01234]}}, s{{[01234]}} | 
|  | ; A8: vsub.f32 s{{[0-9]}}, s{{[0-9]}}, s{{[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-LABEL: t3: | 
|  | ; VFP2: vnmla.f64 | 
|  |  | 
|  | ; VFP3-LABEL: t3: | 
|  | ; VFP3: vnmla.f64 | 
|  |  | 
|  | ; NEON-LABEL: t3: | 
|  | ; NEON: vnmla.f64 | 
|  |  | 
|  | ; A8U-LABEL: t3: | 
|  | ; A8U: vnmul.f64 d | 
|  | ; A8U: vsub.f64 d | 
|  |  | 
|  | ; A8-LABEL: t3: | 
|  | ; A8: vnmul.f64 d | 
|  | ; A8: vsub.f64 d | 
|  | %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-LABEL: t4: | 
|  | ; VFP2: vnmla.f64 | 
|  |  | 
|  | ; VFP3-LABEL: t4: | 
|  | ; VFP3: vnmla.f64 | 
|  |  | 
|  | ; NEON-LABEL: t4: | 
|  | ; NEON: vnmla.f64 | 
|  |  | 
|  | ; A8U-LABEL: t4: | 
|  | ; A8U: vnmul.f64 d | 
|  | ; A8U: vsub.f64 d | 
|  |  | 
|  | ; A8-LABEL: t4: | 
|  | ; A8: vnmul.f64 d | 
|  | ; A8: vsub.f64 d | 
|  | %0 = fmul double %a, %b | 
|  | %1 = fmul double -1.0, %0 | 
|  | %2 = fsub double %1, %acc | 
|  | ret double %2 | 
|  | } | 
|  |  | 
|  | define double @t5(double %acc, double %a, double %b) nounwind { | 
|  | entry: | 
|  | ; VFP2-LABEL: t5: | 
|  | ; VFP2: vnmla.f64 | 
|  |  | 
|  | ; VFP3-LABEL: t5: | 
|  | ; VFP3: vnmla.f64 | 
|  |  | 
|  | ; NEON-LABEL: t5: | 
|  | ; NEON: vnmla.f64 | 
|  |  | 
|  | ; A8U-LABEL: t5: | 
|  | ; A8U: vmul.f64 d | 
|  | ; A8U: vsub.f64 d | 
|  |  | 
|  | ; A8-LABEL: t5: | 
|  | ; A8: vmul.f64 d | 
|  | ; A8: vsub.f64 d | 
|  |  | 
|  | %0 = fsub double -0.0, %acc | 
|  | %1 = fmul double %a, %b | 
|  | %2 = fsub double %0, %1 | 
|  | ret double %2 | 
|  | } | 
|  |  | 
|  | define float @t6(float %acc, float %a, float %b) nounwind { | 
|  | entry: | 
|  | ; VFP2-LABEL: t6: | 
|  | ; VFP2: vnmla.f32 | 
|  |  | 
|  | ; VFP3-LABEL: t6: | 
|  | ; VFP3: vnmla.f32 | 
|  |  | 
|  | ; NEON-LABEL: t6: | 
|  | ; NEON: vnmla.f32 | 
|  |  | 
|  | ; A8U-LABEL: t6: | 
|  | ; A8U: vmul.f32 d | 
|  | ; A8U: vsub.f32 d | 
|  |  | 
|  | ; A8-LABEL: t6: | 
|  | ; A8: vmul.f32 s | 
|  | ; A8: vsub.f32 s | 
|  |  | 
|  | %0 = fsub float -0.0, %acc | 
|  | %1 = fmul float %a, %b | 
|  | %2 = fsub float %0, %1 | 
|  | ret float %2 | 
|  | } |