X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=blobdiff_plain;f=test%2FTransforms%2FInstCombine%2Fnot.ll;h=edb402a125ac10e8f03a9cc847b1f6f9c52d7892;hp=4a8825b15c4e15102d3f1ba6bfbc94e7eb493c81;hb=c832b3af7827959d456b8d9b3e296263ac4ef120;hpb=26b0000166ca3d00f2a1990b43a1f45cdac4e9b6

diff --git a/test/Transforms/InstCombine/not.ll b/test/Transforms/InstCombine/not.ll
index 4a8825b15c4..edb402a125a 100644
--- a/test/Transforms/InstCombine/not.ll
+++ b/test/Transforms/InstCombine/not.ll
@@ -1,54 +1,61 @@
 ; This test makes sure that these instructions are properly eliminated.
 ;
 
-; RUN: opt < %s -instcombine -S | not grep xor
+; RUN: opt < %s -instcombine -S | FileCheck %s
+; CHECK-NOT: xor
 
 define i32 @test1(i32 %A) {
-        %B = xor i32 %A, -1             ; <i32> [#uses=1]
-        %C = xor i32 %B, -1             ; <i32> [#uses=1]
+        %B = xor i32 %A, -1
+        %C = xor i32 %B, -1
         ret i32 %C
 }
 
 define i1 @test2(i32 %A, i32 %B) {
         ; Can change into setge
-        %cond = icmp sle i32 %A, %B             ; <i1> [#uses=1]
-        %Ret = xor i1 %cond, true               ; <i1> [#uses=1]
+        %cond = icmp sle i32 %A, %B
+        %Ret = xor i1 %cond, true
         ret i1 %Ret
 }
 
-; Test that demorgans law can be instcombined
+; Test that De Morgan's law can be instcombined.
 define i32 @test3(i32 %A, i32 %B) {
-        %a = xor i32 %A, -1             ; <i32> [#uses=1]
-        %b = xor i32 %B, -1             ; <i32> [#uses=1]
-        %c = and i32 %a, %b             ; <i32> [#uses=1]
-        %d = xor i32 %c, -1             ; <i32> [#uses=1]
+        %a = xor i32 %A, -1
+        %b = xor i32 %B, -1
+        %c = and i32 %a, %b
+        %d = xor i32 %c, -1
         ret i32 %d
 }
 
-; Test that demorgens law can work with constants
+; Test that De Morgan's law can work with constants.
 define i32 @test4(i32 %A, i32 %B) {
-        %a = xor i32 %A, -1             ; <i32> [#uses=1]
-        %c = and i32 %a, 5              ; <i32> [#uses=1]
-        %d = xor i32 %c, -1             ; <i32> [#uses=1]
+        %a = xor i32 %A, -1
+        %c = and i32 %a, 5
+        %d = xor i32 %c, -1
         ret i32 %d
 }
 
-; test the mirror of demorgans law...
+; Test the mirror of De Morgan's law.
 define i32 @test5(i32 %A, i32 %B) {
-        %a = xor i32 %A, -1             ; <i32> [#uses=1]
-        %b = xor i32 %B, -1             ; <i32> [#uses=1]
-        %c = or i32 %a, %b              ; <i32> [#uses=1]
-        %d = xor i32 %c, -1             ; <i32> [#uses=1]
+        %a = xor i32 %A, -1
+        %b = xor i32 %B, -1
+        %c = or i32 %a, %b
+        %d = xor i32 %c, -1
         ret i32 %d
 }
 
 ; PR2298
-define zeroext i8 @test6(i32 %a, i32 %b)  nounwind  {
+define zeroext i8 @test6(i32 %a, i32 %b) {
 entry:
-	%tmp1not = xor i32 %a, -1		; <i32> [#uses=1]
-	%tmp2not = xor i32 %b, -1		; <i32> [#uses=1]
-	%tmp3 = icmp slt i32 %tmp1not, %tmp2not		; <i1> [#uses=1]
-	%retval67 = zext i1 %tmp3 to i8		; <i8> [#uses=1]
+	%tmp1not = xor i32 %a, -1
+	%tmp2not = xor i32 %b, -1
+	%tmp3 = icmp slt i32 %tmp1not, %tmp2not
+	%retval67 = zext i1 %tmp3 to i8
 	ret i8 %retval67
 }
 
+define <2 x i1> @test7(<2 x i32> %A, <2 x i32> %B) {
+        %cond = icmp sle <2 x i32> %A, %B
+        %Ret = xor <2 x i1> %cond, <i1 true, i1 true>
+        ret <2 x i1> %Ret
+}
+