Re-materalized definition instructions may be dead. Whack them.
[oota-llvm.git] / test / CodeGen / X86 / coalescer-remat.ll
1 ; RUN: llvm-as < %s | llc -mtriple=x86_64-apple-darwin | grep xor | count 3
2
3 @val = internal global i64 0            ; <i64*> [#uses=1]
4 @"\01LC" = internal constant [7 x i8] c"0x%lx\0A\00"            ; <[7 x i8]*> [#uses=1]
5
6 define i32 @main() nounwind {
7 entry:
8         %0 = tail call i64 @llvm.atomic.cmp.swap.i64.p0i64(i64* @val, i64 0, i64 1)             ; <i64> [#uses=1]
9         %1 = tail call i32 (i8*, ...)* @printf(i8* getelementptr ([7 x i8]* @"\01LC", i32 0, i64 0), i64 %0) nounwind           ; <i32> [#uses=0]
10         ret i32 0
11 }
12
13 declare i64 @llvm.atomic.cmp.swap.i64.p0i64(i64*, i64, i64) nounwind
14
15 declare i32 @printf(i8*, ...) nounwind