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1; RUN: opt < %s -passes=gvn -S | FileCheck %s2 3declare i32 @foo(i32) readnone4 5define i1 @bar() {6; CHECK-LABEL: @bar(7 %a = call i32 @foo (i32 0) readnone8 %b = call i32 @foo (i32 0) readnone9 %c = and i32 %a, %b10 %x = call i32 @foo (i32 %a) readnone11 %y = call i32 @foo (i32 %c) readnone12 %z = icmp eq i32 %x, %y13 ret i1 %z14; CHECK: ret i1 true15} 16