More testcases, which I'll implement later

llvm-svn: 7298

llvm/test/Regression/Transforms/InstCombine/add.ll

@@ -55,3 +55,8 @@ int %test8(int %A, int %B) {     ; (A & C1)+(B & C2) -> (A & C1)|(B & C2) iff C1
 	ret int %C
 }
 
+int %test9(int %A) {
+	%B = shl int %A, ubyte 4
+	%C = add int %B, %B      ; === shl int %A, 5
+	ret int %C
+}

llvm/test/Regression/Transforms/InstCombine/and.ll

@@ -74,4 +74,17 @@ uint %test11(uint %A, uint* %P) {
 	ret uint %D
 }
 
+bool %test12(uint %A, uint %B) {
+	%C1 = setlt uint %A, %B
+	%C2 = setle uint %A, %B
+	%D = and bool %C1, %C2      ; (A < B) & (A <= B) === (A < B)
+	ret bool %D
+}
+
+bool %test13(uint %A, uint %B) {
+	%C1 = setlt uint %A, %B
+	%C2 = setgt uint %A, %B
+	%D = and bool %C1, %C2      ; (A < B) & (A > B) === false
+	ret bool %D
+}
 

llvm/test/Regression/Transforms/InstCombine/or.ll

@@ -93,3 +93,10 @@ bool %test14(uint %A, uint %B) {
 	ret bool %D
 }
 
+bool %test15(uint %A, uint %B) {
+        %C1 = setlt uint %A, %B
+        %C2 = seteq uint %A, %B
+        %D = or bool %C1, %C2      ; (A < B) | (A == B) === A <= B
+        ret bool %D
+}
+