-; RUN: opt %s -instcombine -S | FileCheck %s
+; RUN: opt -instcombine -S < %s | FileCheck %s
; PR5438
; TODO: This should also optimize down.
;}
define i32 @test3(i32 %a, i32 %b) nounwind readnone {
-; CHECK: @test3
+; CHECK-LABEL: @test3(
entry:
-; CHECK: xor i32 %a, %b
-; CHECK: lshr i32 %0, 31
-; CHECK: xor i32 %1, 1
+; CHECK: [[XOR1:%.*]] = xor i32 %a, %b
+; CHECK: [[SHIFT:%.*]] = lshr i32 [[XOR1]], 31
+; CHECK: [[XOR2:%.*]] = xor i32 [[SHIFT]], 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]
ret i32 %3
; CHECK-NOT: icmp
; CHECK-NOT: zext
-; CHECK: ret i32 %2
+; CHECK: ret i32 [[XOR2]]
}
; Variation on @test3: checking the 2nd bit in a situation where the 5th bit
; is one, not zero.
define i32 @test3i(i32 %a, i32 %b) nounwind readnone {
-; CHECK: @test3i
+; CHECK-LABEL: @test3i(
entry:
; CHECK: xor i32 %a, %b
; CHECK: lshr i32 %0, 31