| ; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep {store i8} | count 2 | |
| define i32 @a(i8* %s) nounwind { | |
| entry: | |
| store i8 0, i8* %s, align 1 ; This store cannot be eliminated! | |
| %tmp3 = call i32 @strlen( i8* %s ) nounwind readonly | |
| %tmp5 = icmp ne i32 %tmp3, 0 | |
| br i1 %tmp5, label %bb, label %bb8 | |
| bb: ; preds = %entry | |
| store i8 0, i8* %s, align 1 | |
| br label %bb8 | |
| bb8: | |
| ret i32 %tmp3 | |
| } | |
| declare i32 @strlen(i8*) nounwind readonly | |