File: 2006-12-01-BadFPVectorXform.ll

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (14 lines) | stat: -rw-r--r-- 535 bytes parent folder | download | duplicates (17)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
; NOTE: Assertions have been autogenerated by update_test_checks.py
; RUN: opt < %s -instcombine -S | FileCheck %s

define <4 x float> @test(<4 x float> %tmp26, <4 x float> %tmp53) {
        ; (X+Y)-Y != X for fp vectors.
; CHECK-LABEL: @test(
; CHECK-NEXT:    [[TMP64:%.*]] = fadd <4 x float> %tmp26, %tmp53
; CHECK-NEXT:    [[TMP75:%.*]] = fsub <4 x float> [[TMP64]], %tmp53
; CHECK-NEXT:    ret <4 x float> [[TMP75]]
;
  %tmp64 = fadd <4 x float> %tmp26, %tmp53
  %tmp75 = fsub <4 x float> %tmp64, %tmp53
  ret <4 x float> %tmp75
}