File: and-load-fold.ll

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8~deb9u3
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • 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-- 441 bytes parent folder | download | duplicates (10)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
; RUN: llc -mtriple=x86_64-unknown-unknown -mcpu=generic < %s | FileCheck %s

; Verify that the DAGCombiner doesn't wrongly remove the 'and' from the dag.

define i8 @foo(<4 x i8>* %V) {
; CHECK-LABEL: foo:
; CHECK: pand
; CHECK: ret
entry:
  %Vp = bitcast <4 x i8>* %V to <3 x i8>*
  %V3i8 = load <3 x i8>, <3 x i8>* %Vp, align 4
  %0 = and <3 x i8> %V3i8, <i8 undef, i8 undef, i8 95>
  %1 = extractelement <3 x i8> %0, i64 2
  ret i8 %1
}