File: load_combine_aa.ll

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16.1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,388 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (15 lines) | stat: -rw-r--r-- 436 bytes parent folder | download | duplicates (13) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
 
; RUN: opt -basicaa -instcombine -S < %s | FileCheck %s

; CHECK-LABEL: @test_load_combine_aa(
; CHECK: %[[V:.*]] = load i32, i32* %0
; CHECK: store i32 0, i32* %3
; CHECK: store i32 %[[V]], i32* %1
; CHECK: store i32 %[[V]], i32* %2
define void @test_load_combine_aa(i32*, i32*, i32*, i32* noalias) {
  %a = load i32, i32* %0
  store i32 0, i32* %3
  %b = load i32, i32* %0
  store i32 %a, i32* %1
  store i32 %b, i32* %2
  ret void
}