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21 lines
533 B
LLVM
21 lines
533 B
LLVM
; RUN: llc < %s -march=arm -mattr=+vfp2 | FileCheck %s -check-prefix=VFP2
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; RUN: llc < %s -march=arm -mattr=+neon -arm-use-neon-fp=0 | FileCheck %s -check-prefix=NEON
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; RUN: llc < %s -march=arm -mattr=+neon -arm-use-neon-fp=1 | FileCheck %s -check-prefix=NEONFP
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define float @test(float %acc, float %a, float %b) {
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entry:
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; VFP2: fnmacs
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; NEON: fnmacs
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; NEONFP-NOT: vmls
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; NEONFP-NOT: fcpys
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; NEONFP: vmul.f32
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; NEONFP: vsub.f32
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; NEONFP: fmrs
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%0 = fmul float %a, %b
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%1 = fsub float %acc, %0
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ret float %1
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}
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