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; RUN: opt < %s -gvn
; PR12858
define void @fn5(i16 signext %p1, i8 signext %p2) nounwind uwtable {
entry:
br i1 undef, label %if.else, label %if.then
if.then: ; preds = %entry
br label %if.end
if.else: ; preds = %entry
%conv = sext i16 %p1 to i32
br label %if.end
if.end: ; preds = %if.else, %if.then
%conv1 = sext i16 %p1 to i32
br i1 undef, label %if.then3, label %if.else4
if.then3: ; preds = %if.end
br label %if.end12
if.else4: ; preds = %if.end
%conv7 = sext i8 %p2 to i32
%cmp8 = icmp eq i32 %conv1, %conv7
br i1 %cmp8, label %if.then10, label %if.end12
if.then10: ; preds = %if.else4
br label %if.end12
if.end12: ; preds = %if.then10, %if.else4, %if.then3
%conv13 = sext i8 %p2 to i32
ret void
}
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