view test/CodeGen/X86/fp-trunc.ll @ 33:e4204d083e25

LLVM 3.5
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 14:32:10 +0900
parents 95c75e76d11b
children 60c9769439b8
line wrap: on
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; RUN: llc < %s -march=x86 -mcpu=corei7 | FileCheck %s
; RUN: llc < %s -march=x86 -mcpu=core-avx-i | FileCheck %s --check-prefix=AVX

define <1 x float> @test1(<1 x double> %x) nounwind {
; CHECK: test1
; CHECK: cvtsd2ss
; CHECK: ret
; AVX:   test1
; AVX:   vcvtsd2ss
; AVX:   ret
  %y = fptrunc <1 x double> %x to <1 x float>
  ret <1 x float> %y
}

define <2 x float> @test2(<2 x double> %x) nounwind {
; CHECK: test2
; CHECK: cvtpd2ps
; CHECK: ret
; AVX:   test2
; AVX-NOT:  vcvtpd2psy
; AVX:   vcvtpd2ps
; AVX:   ret
  %y = fptrunc <2 x double> %x to <2 x float>
  ret <2 x float> %y
}

define <4 x float> @test3(<4 x double> %x) nounwind {
; CHECK: test3
; CHECK: cvtpd2ps
; CHECK: cvtpd2ps
; CHECK: movlhps
; CHECK: ret
; AVX:   test3
; AVX:   vcvtpd2psy
; AVX:   ret
  %y = fptrunc <4 x double> %x to <4 x float>
  ret <4 x float> %y
}

define <8 x float> @test4(<8 x double> %x) nounwind {
; CHECK: test4
; CHECK: cvtpd2ps
; CHECK: cvtpd2ps
; CHECK: movlhps
; CHECK: cvtpd2ps
; CHECK: cvtpd2ps
; CHECK: movlhps
; CHECK: ret
; AVX:   test4
; AVX:   vcvtpd2psy
; AVX:   vcvtpd2psy
; AVX:   vinsertf128
; AVX:   ret
  %y = fptrunc <8 x double> %x to <8 x float>
  ret <8 x float> %y
}