File: 2006-12-01-BadFPVectorXform.ll

package info (click to toggle)
llvm-3.0 3.0-10
  • links: PTS, VCS
  • area: main
  • in suites: wheezy
  • size: 75,412 kB
  • sloc: cpp: 468,043; asm: 109,345; ansic: 13,782; sh: 12,935; ml: 4,716; python: 4,351; perl: 2,096; makefile: 1,905; pascal: 1,578; exp: 389; xml: 283; lisp: 187; csh: 117
file content (9 lines) | stat: -rw-r--r-- 392 bytes parent folder | download | duplicates (11) 
1
2
3
4
5
6
7
8
9
 
; RUN: opt < %s -instcombine -S | grep sub
; RUN: opt < %s -instcombine -S | grep add

define <4 x float> @test(<4 x float> %tmp26, <4 x float> %tmp53) {
        ; (X+Y)-Y != X for fp vectors.
        %tmp64 = fadd <4 x float> %tmp26, %tmp53         ; <<4 x float>> [#uses=1]
        %tmp75 = fsub <4 x float> %tmp64, %tmp53         ; <<4 x float>> [#uses=1]
        ret <4 x float> %tmp75
}