merge some more tests in.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92353 91177308-0d34-0410-b5e6-96231b3b80d8

test/Transforms/Reassociate/basictest.ll

@@ -105,3 +105,31 @@ define i32 @test6() {
 ; CHECK: @test6
 ; CHECK: ret i32 0
 }
+
+; This should be one add and two multiplies.
+define i32 @test7(i32 %A, i32 %B, i32 %C) {
+	%aa = mul i32 %A, %A
+	%aab = mul i32 %aa, %B
+	%ac = mul i32 %A, %C
+	%aac = mul i32 %ac, %A
+	%r = add i32 %aab, %aac
+	ret i32 %r
+; CHECK: @test7
+; CHECK-NEXT: add i32 %C, %B
+; CHECK-NEXT: mul i32 
+; CHECK-NEXT: mul i32 
+; CHECK-NEXT: ret i32 
+}
+
+
+define i32 @test8(i32 %X, i32 %Y, i32 %Z) {
+	%A = sub i32 0, %X
+	%B = mul i32 %A, %Y
+        ; (-X)*Y + Z -> Z-X*Y
+	%C = add i32 %B, %Z
+	ret i32 %C
+; CHECK: @test8
+; CHECK-NEXT: %A = mul i32 %Y, %X
+; CHECK-NEXT: %C = sub i32 %Z, %A
+; CHECK-NEXT: ret i32 %C
+}

test/Transforms/Reassociate/mul-factor3.ll

@@ -1,15 +0,0 @@
-; This should be one add and two multiplies.
-
-; RUN: opt < %s -reassociate -instcombine -S > %t
-; RUN: grep mul %t | count 2
-; RUN: grep add %t | count 1
-
-define i32 @test(i32 %A, i32 %B, i32 %C) {
-	%aa = mul i32 %A, %A		; <i32> [#uses=1]
-	%aab = mul i32 %aa, %B		; <i32> [#uses=1]
-	%ac = mul i32 %A, %C		; <i32> [#uses=1]
-	%aac = mul i32 %ac, %A		; <i32> [#uses=1]
-	%r = add i32 %aab, %aac		; <i32> [#uses=1]
-	ret i32 %r
-}
-

test/Transforms/Reassociate/mul-neg-add.ll

@@ -1,10 +0,0 @@
-; RUN: opt < %s -reassociate -instcombine -S |\
-; RUN:   not grep {sub i32 0}
-
-define i32 @test(i32 %X, i32 %Y, i32 %Z) {
-	%A = sub i32 0, %X		; <i32> [#uses=1]
-	%B = mul i32 %A, %Y		; <i32> [#uses=1]
-        ; (-X)*Y + Z -> Z-X*Y
-	%C = add i32 %B, %Z		; <i32> [#uses=1]
-	ret i32 %C
-}