File: load-constant-mem.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 (21 lines) | stat: -rw-r--r-- 596 bytes parent folder | download | duplicates (5) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
 
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -basic-aa -newgvn -S | FileCheck %s
; PR4189
@G = external constant [4 x i32]

define i32 @test(i8* %p, i32 %i) nounwind {
; CHECK-LABEL: @test(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[P:%.*]] = getelementptr [4 x i32], [4 x i32]* @G, i32 0, i32 [[I:%.*]]
; CHECK-NEXT:    store i8 4, i8* [[P:%.*]]
; CHECK-NEXT:    ret i32 0
;
entry:
  %P = getelementptr [4 x i32], [4 x i32]* @G, i32 0, i32 %i
  %A = load i32, i32* %P
  store i8 4, i8* %p
  %B = load i32, i32* %P
  %C = sub i32 %A, %B
  ret i32 %C
}