Index: test/Transforms/InstCombine/signext.ll
===================================================================
--- test/Transforms/InstCombine/signext.ll
+++ test/Transforms/InstCombine/signext.ll
@@ -34,54 +34,44 @@
 ; CHECK: ret i32 %tmp.5
 }
 
-define i32 @test4(i16 %P) {
-        %tmp.1 = zext i16 %P to i32             ; <i32> [#uses=1]
-        %tmp.4 = xor i32 %tmp.1, 32768          ; <i32> [#uses=1]
-        %tmp.5 = add i32 %tmp.4, -32768         ; <i32> [#uses=1]
-        ret i32 %tmp.5
-; CHECK-LABEL: @test4(
-; CHECK: %tmp.5 = sext i16 %P to i32
-; CHECK: ret i32 %tmp.5
-}
-
-define i32 @test5(i32 %x) {
+define i32 @test4(i32 %x) {
         %tmp.1 = and i32 %x, 255                ; <i32> [#uses=1]
         %tmp.2 = xor i32 %tmp.1, 128            ; <i32> [#uses=1]
         %tmp.3 = add i32 %tmp.2, -128           ; <i32> [#uses=1]
         ret i32 %tmp.3
-; CHECK-LABEL: @test5(
+; CHECK-LABEL: @test4(
 ; CHECK: %sext = shl i32 %x, 24
 ; CHECK: %tmp.3 = ashr exact i32 %sext, 24
 ; CHECK: ret i32 %tmp.3
 }
 
-define i32 @test6(i32 %x) {
+define i32 @test5(i32 %x) {
         %tmp.2 = shl i32 %x, 16         ; <i32> [#uses=1]
         %tmp.4 = ashr i32 %tmp.2, 16            ; <i32> [#uses=1]
         ret i32 %tmp.4
-; CHECK-LABEL: @test6(
+; CHECK-LABEL: @test5(
 ; CHECK: %tmp.2 = shl i32 %x, 16
 ; CHECK: %tmp.4 = ashr exact i32 %tmp.2, 16
 ; CHECK: ret i32 %tmp.4
 }
 
-define i32 @test7(i16 %P) {
+define i32 @test6(i16 %P) {
   %tmp.1 = zext i16 %P to i32                     ; <i32> [#uses=1]
   %sext1 = shl i32 %tmp.1, 16                     ; <i32> [#uses=1]
   %tmp.5 = ashr i32 %sext1, 16                    ; <i32> [#uses=1]
   ret i32 %tmp.5
-; CHECK-LABEL: @test7(
+; CHECK-LABEL: @test6(
 ; CHECK: %tmp.5 = sext i16 %P to i32
 ; CHECK: ret i32 %tmp.5
 }
 
-define i32 @test8(i32 %x) nounwind readnone {
+define i32 @test7(i32 %x) nounwind readnone {
 entry:
   %shr = lshr i32 %x, 5                           ; <i32> [#uses=1]
   %xor = xor i32 %shr, 67108864                   ; <i32> [#uses=1]
   %sub = add i32 %xor, -67108864                  ; <i32> [#uses=1]
   ret i32 %sub
-; CHECK-LABEL: @test8(
+; CHECK-LABEL: @test7(
 ; CHECK: %sub = ashr i32 %x, 5
 ; CHECK: ret i32 %sub
 }