[llvm-commits] [llvm] r52508 - in /llvm/trunk: lib/CodeGen/SelectionDAG/LegalizeDAG.cpp test/CodeGen/PowerPC/2008-06-19-LegalizerCrash.ll

[Evan Cheng]

Author: evancheng
Date: Thu Jun 19 17:01:11 2008
New Revision: 52508

URL: http://llvm.org/viewvc/llvm-project?rev=52508&view=rev
Log:
ISD::UNDEF should be expanded recursively / iteratively.

Added:
    llvm/trunk/test/CodeGen/PowerPC/2008-06-19-LegalizerCrash.ll
Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp?rev=52508&r1=52507&r2=52508&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp Thu Jun 19 17:01:11 2008
@@ -5832,7 +5832,6 @@
     Lo  = ExpandEXTRACT_VECTOR_ELT(Op);
     return ExpandOp(Lo, Lo, Hi);
   case ISD::UNDEF:
-    NVT = TLI.getTypeToExpandTo(VT);
     Lo = DAG.getNode(ISD::UNDEF, NVT);
     Hi = DAG.getNode(ISD::UNDEF, NVT);
     break;

Added: llvm/trunk/test/CodeGen/PowerPC/2008-06-19-LegalizerCrash.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/PowerPC/2008-06-19-LegalizerCrash.ll?rev=52508&view=auto

==============================================================================
--- llvm/trunk/test/CodeGen/PowerPC/2008-06-19-LegalizerCrash.ll (added)
+++ llvm/trunk/test/CodeGen/PowerPC/2008-06-19-LegalizerCrash.ll Thu Jun 19 17:01:11 2008
@@ -0,0 +1,6 @@
+; RUN: llvm-as < %s | llc -march=ppc32
+
+define void @t() nounwind {
+	call void null( ppc_fp128 undef )
+	unreachable
+}