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; RUN: opt %s -instcombine -S | FileCheck %s
; PR5438
; TODO: This should also optimize down.
;define i32 @bar(i32 %a, i32 %b) nounwind readnone {
;entry:
; %0 = icmp sgt i32 %a, -1 ; <i1> [#uses=1]
; %1 = icmp slt i32 %b, 0 ; <i1> [#uses=1]
; %2 = xor i1 %1, %0 ; <i1> [#uses=1]
; %3 = zext i1 %2 to i32 ; <i32> [#uses=1]
; ret i32 %3
;}
define i32 @qaz(i32 %a, i32 %b) nounwind readnone {
; CHECK: @qaz
entry:
; CHECK: xor i32 %a, %b
; CHECK; lshr i32 %0, 31
; CHECK: xor i32 %1, 1
%0 = lshr i32 %a, 31 ; <i32> [#uses=1]
%1 = lshr i32 %b, 31 ; <i32> [#uses=1]
%2 = icmp eq i32 %0, %1 ; <i1> [#uses=1]
%3 = zext i1 %2 to i32 ; <i32> [#uses=1]
ret i32 %3
; CHECK-NOT: icmp
; CHECK-NOT: zext
; CHECK: ret i32 %2
}
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