File: opt-fabs.ll

package info (click to toggle)
llvm-toolchain-6.0 1%3A6.0.1-10
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 598,080 kB
  • sloc: cpp: 3,046,253; ansic: 595,057; asm: 271,965; python: 128,926; objc: 106,554; sh: 21,906; lisp: 10,191; pascal: 6,094; ml: 5,544; perl: 5,265; makefile: 2,227; cs: 2,027; xml: 686; php: 212; csh: 117
file content (15 lines) | stat: -rw-r--r-- 440 bytes parent folder | download | duplicates (14) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
 
; 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)