File: local-pre.ll

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llvm-toolchain-3.7 1%3A3.7.1-5
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; RUN: opt < %s -gvn -enable-pre -S | grep "b.pre"

define i32 @main(i32 %p, i32 %q) {
block1:
    %cmp = icmp eq i32 %p, %q 
	br i1 %cmp, label %block2, label %block3

block2:
 %a = add i32 %p, 1
 br label %block4

block3:
  br label %block4

block4:
  %b = add i32 %p, 1
  ret i32 %b
}