Mercurial > hg > CbC > CbC_llvm
comparison test/Transforms/InstCombine/2008-06-13-ReadOnlyCallStore.ll @ 0:95c75e76d11b LLVM3.4
LLVM 3.4
| author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Thu, 12 Dec 2013 13:56:28 +0900 |
| parents | |
| children |
comparison
equal
deleted
inserted
replaced
| -1:000000000000 | 0:95c75e76d11b |
|---|---|
| 1 ; RUN: opt < %s -instcombine -S | grep "store i8" | count 2 | |
| 2 | |
| 3 define i32 @a(i8* %s) nounwind { | |
| 4 entry: | |
| 5 store i8 0, i8* %s, align 1 ; This store cannot be eliminated! | |
| 6 %tmp3 = call i32 @strlen( i8* %s ) nounwind readonly | |
| 7 %tmp5 = icmp ne i32 %tmp3, 0 | |
| 8 br i1 %tmp5, label %bb, label %bb8 | |
| 9 | |
| 10 bb: ; preds = %entry | |
| 11 store i8 0, i8* %s, align 1 | |
| 12 br label %bb8 | |
| 13 | |
| 14 bb8: | |
| 15 ret i32 %tmp3 | |
| 16 } | |
| 17 | |
| 18 declare i32 @strlen(i8*) nounwind readonly | |
| 19 |