File: coalescer-remat.ll

package info (click to toggle)
llvm-toolchain-3.7 1%3A3.7.1-5
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 345,556 kB
  • ctags: 362,199
  • sloc: cpp: 2,156,381; ansic: 458,339; objc: 91,547; python: 89,988; asm: 86,305; sh: 21,479; makefile: 6,853; perl: 5,601; ml: 5,458; pascal: 3,933; lisp: 2,429; xml: 686; cs: 239; php: 202; csh: 117
file content (14 lines) | stat: -rw-r--r-- 461 bytes parent folder | download | duplicates (12) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
 
; RUN: llc < %s -mtriple=x86_64-apple-darwin | grep xor | count 3

@val = internal global i64 0
@"\01LC" = internal constant [7 x i8] c"0x%lx\0A\00"

define i32 @main() nounwind {
entry:
  %t0 = cmpxchg i64* @val, i64 0, i64 1 monotonic monotonic
  %0 = extractvalue { i64, i1 } %t0, 0
  %1 = tail call i32 (i8*, ...) @printf(i8* getelementptr ([7 x i8], [7 x i8]* @"\01LC", i32 0, i64 0), i64 %0) nounwind
  ret i32 0
}

declare i32 @printf(i8*, ...) nounwind