Implement ISD::TRAP support on PPC


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54644 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index fcf235c..2dec8d6 100644
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -183,9 +183,12 @@
   setOperationAction(ISD::ConstantPool,  MVT::i64, Custom);
   setOperationAction(ISD::JumpTable,     MVT::i64, Custom);
   
-  // RET must be custom lowered, to meet ABI requirements
+  // RET must be custom lowered, to meet ABI requirements.
   setOperationAction(ISD::RET               , MVT::Other, Custom);
 
+  // TRAP is legal.
+  setOperationAction(ISD::TRAP, MVT::Other, Legal);
+    
   // VASTART needs to be custom lowered to use the VarArgsFrameIndex
   setOperationAction(ISD::VASTART           , MVT::Other, Custom);