1 files changed, 68 insertions, 0 deletions
diff --git a/test/CodeGen/X86/SwizzleShuff.ll b/test/CodeGen/X86/SwizzleShuff.ll
new file mode 100644
index 0000000..100817a
--- /dev/null
+++ b/test/CodeGen/X86/SwizzleShuff.ll
@@ -0,0 +1,68 @@
+; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx -mattr=+avx | FileCheck %s
+
+; Check that we perform a scalar XOR on i32.
+
+; CHECK: pull_bitcast
+; CHECK: xorl
+; CHECK: ret
+define void @pull_bitcast (<4 x i8>* %pA, <4 x i8>* %pB) {
+  %A = load <4 x i8>* %pA
+  %B = load <4 x i8>* %pB
+  %C = xor <4 x i8> %A, %B
+  store <4 x i8> %C, <4 x i8>* %pA
+  ret void
+}
+
+; CHECK: multi_use_swizzle
+; CHECK: mov
+; CHECK-NEXT: shuf
+; CHECK-NEXT: shuf
+; CHECK-NEXT: shuf
+; CHECK-NEXT: xor
+; CHECK-NEXT: ret
+define <4 x i32> @multi_use_swizzle (<4 x i32>* %pA, <4 x i32>* %pB) {
+  %A = load <4 x i32>* %pA
+  %B = load <4 x i32>* %pB
+  %S = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 1, i32 1, i32 5, i32 6>
+  %S1 = shufflevector <4 x i32> %S, <4 x i32> undef, <4 x i32> <i32 1, i32 3, i32 2, i32 2>
+  %S2 = shufflevector <4 x i32> %S, <4 x i32> undef, <4 x i32> <i32 2, i32 1, i32 0, i32 2>
+  %R = xor <4 x i32> %S1, %S2
+  ret <4 x i32> %R
+}
+
+; CHECK: pull_bitcast2
+; CHECK: xorl
+; CHECK: ret
+define <4 x i8> @pull_bitcast2 (<4 x i8>* %pA, <4 x i8>* %pB, <4 x i8>* %pC) {
+  %A = load <4 x i8>* %pA
+  store <4 x i8> %A, <4 x i8>* %pC
+  %B = load <4 x i8>* %pB
+  %C = xor <4 x i8> %A, %B
+  store <4 x i8> %C, <4 x i8>* %pA
+  ret <4 x i8> %C
+}
+
+
+
+; CHECK: reverse_1
+; CHECK-NOT: shuf
+; CHECK: ret
+define <4 x i32> @reverse_1 (<4 x i32>* %pA, <4 x i32>* %pB) {
+  %A = load <4 x i32>* %pA
+  %B = load <4 x i32>* %pB
+  %S = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 1, i32 0, i32 3, i32 2>
+  %S1 = shufflevector <4 x i32> %S, <4 x i32> undef, <4 x i32> <i32 1, i32 0, i32 3, i32 2>
+  ret <4 x i32> %S1
+}
+
+
+; CHECK: no_reverse_shuff
+; CHECK: shuf
+; CHECK: ret
+define <4 x i32> @no_reverse_shuff (<4 x i32>* %pA, <4 x i32>* %pB) {
+  %A = load <4 x i32>* %pA
+  %B = load <4 x i32>* %pB
+  %S = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 1, i32 0, i32 3, i32 2>
+  %S1 = shufflevector <4 x i32> %S, <4 x i32> undef, <4 x i32> <i32 3, i32 2, i32 3, i32 2>
+  ret <4 x i32> %S1
+}