llvm/test/CodeGen/ARM/fnmscs.ll
Jakob Stoklund Olesen d32eea9636 Remove some register allocation order dependencies.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172874 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-19 00:03:32 +00:00

73 lines
1.5 KiB
LLVM

; 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 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: t4:
; VFP2: vnmla.f64
; NEON: t4:
; NEON: vnmla.f64
; A8: 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
}