| ; RUN: llvm-as < %s | opt -gvn | llvm-dis | grep {DEAD = phi i32 } | |
| define i32 @main(i32* %p) { | |
| block1: | |
| %z = load i32* %p | |
| br i1 true, label %block2, label %block3 | |
| block2: | |
| br label %block4 | |
| block3: | |
| %b = bitcast i32 0 to i32 | |
| store i32 %b, i32* %p | |
| br label %block4 | |
| block4: | |
| %DEAD = load i32* %p | |
| ret i32 %DEAD | |
| } |