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; RUN: opt -S < %s -newgvn | FileCheck %s
; CHECK-LABEL: for.cond:
; CHECK-NEXT: %lv = load i32, i32* bitcast (i64* @a to i32*)
; CHECK-NEXT: %bf.clear = and i32 %lv, -131072
; CHECK-NEXT: %bf.set = or i32 1, %bf.clear
; CHECK-NEXT: br i1 %bc, label %for.cond, label %exit
@a = external global i64
define void @fn1(i1 %bc) {
entry:
br label %for.cond
for.cond: ; preds = %for.cond1.1, %entry
%tmp = phi i1 [ undef, %entry ], [ 1, %for.cond ]
%conv = zext i1 %tmp to i32
%lv = load i32, i32* bitcast (i64* @a to i32*)
%bf.clear = and i32 %lv, -131072
%bf.set = or i32 %conv, %bf.clear
%bf.clear.1 = and i32 %bf.set, -131072
%bf.set.1 = or i32 1, %bf.clear.1
br i1 %bc, label %for.cond, label %exit
exit: ; preds = %for.cond1
store i32 %bf.set.1, i32* bitcast (i64* @a to i32*)
ret void
}
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