[llvm-commits] [llvm] r131424 - in /llvm/trunk: lib/Target/X86/X86ISelLowering.cpp test/CodeGen/X86/ret-mmx.ll

[Eli Friedman]

Author: efriedma
Date: Mon May 16 16:28:22 2011
New Revision: 131424

URL: http://llvm.org/viewvc/llvm-project?rev=131424&view=rev
Log:
Remove dead code.  Fix associated test to use FileCheck.


Modified:
    llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
    llvm/trunk/test/CodeGen/X86/ret-mmx.ll

Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=131424&r1=131423&r2=131424&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Mon May 16 16:28:22 2011
@@ -1527,20 +1527,6 @@
         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);

Modified: llvm/trunk/test/CodeGen/X86/ret-mmx.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/ret-mmx.ll?rev=131424&r1=131423&r2=131424&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/ret-mmx.ll (original)
+++ llvm/trunk/test/CodeGen/X86/ret-mmx.ll Mon May 16 16:28:22 2011
@@ -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 @@
 	%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
 }