1 files changed, 109 insertions, 0 deletions
diff --git a/test/CodeGen/X86/mmx-bitcast.ll b/test/CodeGen/X86/mmx-bitcast.ll
new file mode 100644
index 0000000..a2eb96a
--- /dev/null
+++ b/test/CodeGen/X86/mmx-bitcast.ll
@@ -0,0 +1,109 @@
+; RUN: llc < %s -mtriple=x86_64-darwin -mattr=+mmx,+sse2 | FileCheck %s
+
+define i64 @t0(x86_mmx* %p) {
+; CHECK-LABEL: t0:
+; CHECK:       ## BB#0:
+; CHECK-NEXT:    movq
+; CHECK-NEXT:    paddq %mm0, %mm0
+; CHECK-NEXT:    movd %mm0, %rax
+; CHECK-NEXT:    retq
+  %t = load x86_mmx* %p
+  %u = tail call x86_mmx @llvm.x86.mmx.padd.q(x86_mmx %t, x86_mmx %t)
+  %s = bitcast x86_mmx %u to i64
+  ret i64 %s
+}
+
+define i64 @t1(x86_mmx* %p) {
+; CHECK-LABEL: t1:
+; CHECK:       ## BB#0:
+; CHECK-NEXT:    movq
+; CHECK-NEXT:    paddd %mm0, %mm0
+; CHECK-NEXT:    movd %mm0, %rax
+; CHECK-NEXT:    retq
+  %t = load x86_mmx* %p
+  %u = tail call x86_mmx @llvm.x86.mmx.padd.d(x86_mmx %t, x86_mmx %t)
+  %s = bitcast x86_mmx %u to i64
+  ret i64 %s
+}
+
+define i64 @t2(x86_mmx* %p) {
+; CHECK-LABEL: t2:
+; CHECK:       ## BB#0:
+; CHECK-NEXT:    movq
+; CHECK-NEXT:    paddw %mm0, %mm0
+; CHECK-NEXT:    movd %mm0, %rax
+; CHECK-NEXT:    retq
+  %t = load x86_mmx* %p
+  %u = tail call x86_mmx @llvm.x86.mmx.padd.w(x86_mmx %t, x86_mmx %t)
+  %s = bitcast x86_mmx %u to i64
+  ret i64 %s
+}
+
+define i64 @t3(x86_mmx* %p) {
+; CHECK-LABEL: t3:
+; CHECK:       ## BB#0:
+; CHECK-NEXT:    movq
+; CHECK-NEXT:    paddb %mm0, %mm0
+; CHECK-NEXT:    movd %mm0, %rax
+; CHECK-NEXT:    retq
+  %t = load x86_mmx* %p
+  %u = tail call x86_mmx @llvm.x86.mmx.padd.b(x86_mmx %t, x86_mmx %t)
+  %s = bitcast x86_mmx %u to i64
+  ret i64 %s
+}
+
+@R = external global x86_mmx
+
+define void @t4(<1 x i64> %A, <1 x i64> %B) {
+; CHECK-LABEL: t4:
+; CHECK:       ## BB#0: ## %entry
+; CHECK-NEXT:    movd
+; CHECK-NEXT:    movd
+; CHECK:    retq
+entry:
+  %tmp2 = bitcast <1 x i64> %A to x86_mmx
+  %tmp3 = bitcast <1 x i64> %B to x86_mmx
+  %tmp7 = tail call x86_mmx @llvm.x86.mmx.paddus.w(x86_mmx %tmp2, x86_mmx %tmp3)
+  store x86_mmx %tmp7, x86_mmx* @R
+  tail call void @llvm.x86.mmx.emms()
+  ret void
+}
+
+define i64 @t5(i32 %a, i32 %b) nounwind readnone {
+; CHECK-LABEL: t5:
+; CHECK:       ## BB#0:
+; CHECK-NEXT:    movd
+; CHECK-NEXT:    movd
+; CHECK-NEXT:    punpckldq {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1]
+; CHECK-NEXT:    pshufd {{.*#+}} xmm0 = xmm1[0,1,1,3]
+; CHECK-NEXT:    movd %xmm0, %rax
+; CHECK-NEXT:    retq
+  %v0 = insertelement <2 x i32> undef, i32 %a, i32 0
+  %v1 = insertelement <2 x i32> %v0, i32 %b, i32 1
+  %conv = bitcast <2 x i32> %v1 to i64
+  ret i64 %conv
+}
+
+declare x86_mmx @llvm.x86.mmx.pslli.q(x86_mmx, i32)
+
+define <1 x i64> @t6(i64 %t) {
+; CHECK-LABEL: t6:
+; CHECK:       ## BB#0:
+; CHECK-NEXT:    movd
+; CHECK-NEXT:    psllq $48, %mm0
+; CHECK-NEXT:    movd %mm0, %rax
+; CHECK-NEXT:    retq
+  %t1 = insertelement <1 x i64> undef, i64 %t, i32 0
+  %t0 = bitcast <1 x i64> %t1 to x86_mmx
+  %t2 = tail call x86_mmx @llvm.x86.mmx.pslli.q(x86_mmx %t0, i32 48)
+  %t3 = bitcast x86_mmx %t2 to <1 x i64>
+  ret <1 x i64> %t3
+}
+
+declare x86_mmx @llvm.x86.mmx.paddus.w(x86_mmx, x86_mmx)
+declare x86_mmx @llvm.x86.mmx.padd.b(x86_mmx, x86_mmx)
+declare x86_mmx @llvm.x86.mmx.padd.w(x86_mmx, x86_mmx)
+declare x86_mmx @llvm.x86.mmx.padd.d(x86_mmx, x86_mmx)
+declare x86_mmx @llvm.x86.mmx.padd.q(x86_mmx, x86_mmx)
+declare void @llvm.x86.mmx.emms()
+