From 57f4b0362189c879c54c12892a37670c38dcc7ab Mon Sep 17 00:00:00 2001
From: Eli Friedman <eli.friedman@gmail.com>
Date: Mon, 16 May 2011 21:28:22 +0000
Subject: Remove dead code.  Fix associated test to use FileCheck.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131424 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/X86/X86ISelLowering.cpp | 14 --------------
 test/CodeGen/X86/ret-mmx.ll        | 15 ++++++++++++++-
 2 files changed, 14 insertions(+), 15 deletions(-)

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index cd939f472e..cb39679e06 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -1527,20 +1527,6 @@ X86TargetLowering::LowerCallResult(SDValue Chain, SDValue InFlag,
         Val = DAG.getNode(ISD::FP_ROUND, dl, VA.getValVT(), Val,
                           // This truncation won't change the value.
                           DAG.getIntPtrConstant(1));
-    } else if (Is64Bit && CopyVT.isVector() && CopyVT.getSizeInBits() == 64) {
-      // For x86-64, MMX values are returned in XMM0 / XMM1 except for v1i64.
-      if (VA.getLocReg() == X86::XMM0 || VA.getLocReg() == X86::XMM1) {
-        Chain = DAG.getCopyFromReg(Chain, dl, VA.getLocReg(),
-                                   MVT::v2i64, InFlag).getValue(1);
-        Val = Chain.getValue(0);
-        Val = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, dl, MVT::i64,
-                          Val, DAG.getConstant(0, MVT::i64));
-      } else {
-        Chain = DAG.getCopyFromReg(Chain, dl, VA.getLocReg(),
-                                   MVT::i64, InFlag).getValue(1);
-        Val = Chain.getValue(0);
-      }
-      Val = DAG.getNode(ISD::BITCAST, dl, CopyVT, Val);
     } else {
       Chain = DAG.getCopyFromReg(Chain, dl, VA.getLocReg(),
                                  CopyVT, InFlag).getValue(1);
diff --git a/test/CodeGen/X86/ret-mmx.ll b/test/CodeGen/X86/ret-mmx.ll
index 04b57dd8d6..865e147a4a 100644
--- a/test/CodeGen/X86/ret-mmx.ll
+++ b/test/CodeGen/X86/ret-mmx.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=x86-64 -mattr=+mmx,+sse2
+; RUN: llc < %s -mtriple=x86_64-apple-darwin11 -mattr=+mmx,+sse2 | FileCheck %s
 ; rdar://6602459
 
 @g_v1di = external global <1 x i64>
@@ -8,19 +8,32 @@ entry:
 	%call = call <1 x i64> @return_v1di()		; <<1 x i64>> [#uses=0]
 	store <1 x i64> %call, <1 x i64>* @g_v1di
         ret void
+; CHECK: t1:
+; CHECK: callq
+; CHECK-NEXT: movq	_g_v1di
+; CHECK-NEXT: movq	%rax,
 }
 
 declare <1 x i64> @return_v1di()
 
 define <1 x i64> @t2() nounwind {
 	ret <1 x i64> <i64 1>
+; CHECK: t2:
+; CHECK: movl	$1
+; CHECK-NEXT: ret
 }
 
 define <2 x i32> @t3() nounwind {
 	ret <2 x i32> <i32 1, i32 0>
+; CHECK: t3:
+; CHECK: movl $1
+; CHECK: movd {{.*}}, %xmm0
 }
 
 define double @t4() nounwind {
 	ret double bitcast (<2 x i32> <i32 1, i32 0> to double)
+; CHECK: t4:
+; CHECK: movl $1
+; CHECK: movd {{.*}}, %xmm0
 }
 
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