1 ; RUN: opt < %s -gvn -S | not grep "%z2 =" 2 ; RUN: opt < %s -passes=gvn -S | not grep "%z2 =" 3 4 define i32 @main() { 5 block1: 6 %z1 = bitcast i32 0 to i32 7 br label %block2 8 block2: 9 %z2 = bitcast i32 0 to i32 10 ret i32 %z2 11 } 12