File: floatingpoint.ll

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 733,456 kB
  • sloc: cpp: 3,776,651; ansic: 633,271; asm: 350,301; python: 142,716; objc: 107,612; sh: 22,626; lisp: 11,056; perl: 7,999; pascal: 6,742; ml: 5,537; awk: 3,536; makefile: 2,557; cs: 2,027; xml: 841; ruby: 156
file content (15 lines) | stat: -rw-r--r-- 576 bytes parent folder | download | duplicates (7)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
; RUN: opt < %s -S -early-cse | FileCheck %s
; RUN: opt < %s -S -basicaa -early-cse-memssa | FileCheck %s

; Ensure we don't simplify away additions vectors of +0.0's (same as scalars).
define <4 x float> @fV( <4 x float> %a) {
       ; CHECK: %b = fadd <4 x float> %a, zeroinitializer
       %b = fadd  <4 x float> %a, <float 0.0,float 0.0,float 0.0,float 0.0>
       ret <4 x float> %b
}

define <4 x float> @fW( <4 x float> %a) {
       ; CHECK: ret <4 x float> %a
       %b = fadd  <4 x float> %a, <float -0.0,float -0.0,float -0.0,float -0.0>
       ret <4 x float> %b
}