[Reassociate] Canonicalize operands of vector binary operators.
Prior to this commit fmul and fadd binary operators were being canonicalized for
both scalar and vector versions. We now canonicalize add, mul, and, or, and xor
vector instructions.
llvm-svn: 222006
diff --git a/llvm/test/Transforms/Reassociate/fast-ReassociateVector.ll b/llvm/test/Transforms/Reassociate/fast-ReassociateVector.ll
index ab38eda..eeae096 100644
--- a/llvm/test/Transforms/Reassociate/fast-ReassociateVector.ll
+++ b/llvm/test/Transforms/Reassociate/fast-ReassociateVector.ll
@@ -11,11 +11,11 @@
ret <4 x float> %tmp2
}
-; We don't currently commute integer vector operations.
+; Commute integer vector operations.
define <2 x i32> @test2(<2 x i32> %x, <2 x i32> %y) {
; CHECK-LABEL: test2
; CHECK-NEXT: %tmp1 = add <2 x i32> %x, %y
-; CHECK-NEXT: %tmp2 = add <2 x i32> %y, %x
+; CHECK-NEXT: %tmp2 = add <2 x i32> %x, %y
; CHECK-NEXT: %tmp3 = add <2 x i32> %tmp1, %tmp2
%tmp1 = add <2 x i32> %x, %y
@@ -23,3 +23,51 @@
%tmp3 = add <2 x i32> %tmp1, %tmp2
ret <2 x i32> %tmp3
}
+
+define <2 x i32> @test3(<2 x i32> %x, <2 x i32> %y) {
+; CHECK-LABEL: test3
+; CHECK-NEXT: %tmp1 = mul <2 x i32> %x, %y
+; CHECK-NEXT: %tmp2 = mul <2 x i32> %x, %y
+; CHECK-NEXT: %tmp3 = mul <2 x i32> %tmp1, %tmp2
+
+ %tmp1 = mul <2 x i32> %x, %y
+ %tmp2 = mul <2 x i32> %y, %x
+ %tmp3 = mul <2 x i32> %tmp1, %tmp2
+ ret <2 x i32> %tmp3
+}
+
+define <2 x i32> @test4(<2 x i32> %x, <2 x i32> %y) {
+; CHECK-LABEL: test4
+; CHECK-NEXT: %tmp1 = and <2 x i32> %x, %y
+; CHECK-NEXT: %tmp2 = and <2 x i32> %x, %y
+; CHECK-NEXT: %tmp3 = and <2 x i32> %tmp1, %tmp2
+
+ %tmp1 = and <2 x i32> %x, %y
+ %tmp2 = and <2 x i32> %y, %x
+ %tmp3 = and <2 x i32> %tmp1, %tmp2
+ ret <2 x i32> %tmp3
+}
+
+define <2 x i32> @test5(<2 x i32> %x, <2 x i32> %y) {
+; CHECK-LABEL: test5
+; CHECK-NEXT: %tmp1 = or <2 x i32> %x, %y
+; CHECK-NEXT: %tmp2 = or <2 x i32> %x, %y
+; CHECK-NEXT: %tmp3 = or <2 x i32> %tmp1, %tmp2
+
+ %tmp1 = or <2 x i32> %x, %y
+ %tmp2 = or <2 x i32> %y, %x
+ %tmp3 = or <2 x i32> %tmp1, %tmp2
+ ret <2 x i32> %tmp3
+}
+
+define <2 x i32> @test6(<2 x i32> %x, <2 x i32> %y) {
+; CHECK-LABEL: test6
+; CHECK-NEXT: %tmp1 = xor <2 x i32> %x, %y
+; CHECK-NEXT: %tmp2 = xor <2 x i32> %x, %y
+; CHECK-NEXT: %tmp3 = xor <2 x i32> %tmp1, %tmp2
+
+ %tmp1 = xor <2 x i32> %x, %y
+ %tmp2 = xor <2 x i32> %y, %x
+ %tmp3 = xor <2 x i32> %tmp1, %tmp2
+ ret <2 x i32> %tmp3
+}