view test/CodeGen/Hexagon/opt-fabs.ll @ 121:803732b1fca8

LLVM 5.0
author kono
date Fri, 27 Oct 2017 17:07:41 +0900
parents 7d135dc70f03
children
line wrap: on
line source

; RUN: llc -mtriple=hexagon-unknown-elf -mcpu=hexagonv5 -hexagon-bit=0 < %s | FileCheck %s
; Optimize fabsf to clrbit in V5.

; CHECK: r{{[0-9]+}} = clrbit(r{{[0-9]+}},#31)

define float @my_fabsf(float %x) nounwind {
entry:
  %x.addr = alloca float, align 4
  store float %x, float* %x.addr, align 4
  %0 = load float, float* %x.addr, align 4
  %call = call float @fabsf(float %0) readnone
  ret float %call
}

declare float @fabsf(float)