[llvm-commits] [llvm] r58706 - in /llvm/trunk: lib/CodeGen/SelectionDAG/LegalizeTypes.h lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp test/CodeGen/PowerPC/select-cc.ll

[Duncan Sands]

Author: baldrick
Date: Tue Nov  4 11:31:08 2008
New Revision: 58706

URL: http://llvm.org/viewvc/llvm-project?rev=58706&view=rev
Log:
Fix PR3011: LegalizeTypes support for scalarizing
SELECT_CC.

Added:
    llvm/trunk/test/CodeGen/PowerPC/select-cc.ll
Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypes.h
    llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypes.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypes.h?rev=58706&r1=58705&r2=58706&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypes.h (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypes.h Tue Nov  4 11:31:08 2008
@@ -452,6 +452,7 @@
   SDValue ScalarizeVecRes_INSERT_VECTOR_ELT(SDNode *N);
   SDValue ScalarizeVecRes_LOAD(LoadSDNode *N);
   SDValue ScalarizeVecRes_SELECT(SDNode *N);
+  SDValue ScalarizeVecRes_SELECT_CC(SDNode *N);
   SDValue ScalarizeVecRes_UNDEF(SDNode *N);
   SDValue ScalarizeVecRes_VECTOR_SHUFFLE(SDNode *N);
   SDValue ScalarizeVecRes_VSETCC(SDNode *N);

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp?rev=58706&r1=58705&r2=58706&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp Tue Nov  4 11:31:08 2008
@@ -48,6 +48,7 @@
   case ISD::INSERT_VECTOR_ELT: R = ScalarizeVecRes_INSERT_VECTOR_ELT(N); break;
   case ISD::LOAD:           R = ScalarizeVecRes_LOAD(cast<LoadSDNode>(N));break;
   case ISD::SELECT:         R = ScalarizeVecRes_SELECT(N); break;
+  case ISD::SELECT_CC:      R = ScalarizeVecRes_SELECT_CC(N); break;
   case ISD::UNDEF:          R = ScalarizeVecRes_UNDEF(N); break;
   case ISD::VECTOR_SHUFFLE: R = ScalarizeVecRes_VECTOR_SHUFFLE(N); break;
   case ISD::VSETCC:         R = ScalarizeVecRes_VSETCC(N); break;
@@ -162,6 +163,14 @@
                      GetScalarizedVector(N->getOperand(2)));
 }
 
+SDValue DAGTypeLegalizer::ScalarizeVecRes_SELECT_CC(SDNode *N) {
+  SDValue LHS = GetScalarizedVector(N->getOperand(2));
+  return DAG.getNode(ISD::SELECT_CC, LHS.getValueType(),
+                     N->getOperand(0), N->getOperand(1),
+                     LHS, GetScalarizedVector(N->getOperand(3)),
+                     N->getOperand(4));
+}
+
 SDValue DAGTypeLegalizer::ScalarizeVecRes_VECTOR_SHUFFLE(SDNode *N) {
   // Figure out if the scalar is the LHS or RHS and return it.
   SDValue Arg = N->getOperand(2).getOperand(0);

Added: llvm/trunk/test/CodeGen/PowerPC/select-cc.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/PowerPC/select-cc.ll?rev=58706&view=auto

==============================================================================
--- llvm/trunk/test/CodeGen/PowerPC/select-cc.ll (added)
+++ llvm/trunk/test/CodeGen/PowerPC/select-cc.ll Tue Nov  4 11:31:08 2008
@@ -0,0 +1,9 @@
+; RUN: llvm-as < %s | llc -march=ppc32
+; PR3011
+
+define <2 x double> @vector_select(<2 x double> %x, <2 x double> %y) nounwind  {
+	%x.lo = extractelement <2 x double> %x, i32 0		; <double> [#uses=1]
+	%x.lo.ge = fcmp oge double %x.lo, 0.000000e+00		; <i1> [#uses=1]
+	%a.d = select i1 %x.lo.ge, <2 x double> %y, <2 x double> %x		; <<2 x double>> [#uses=1]
+	ret <2 x double> %a.d
+}