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[oota-llvm.git] / lib / Target / Sparc / SparcISelDAGToDAG.cpp

diff --git a/lib/Target/Sparc/SparcISelDAGToDAG.cpp b/lib/Target/Sparc/SparcISelDAGToDAG.cpp
index b27769a932cb0910769e489aca9af09a87a0f147..a910b3e0473e888bb7571cffb5b19858de99d0bd 100644 (file)
--- a/lib/Target/Sparc/SparcISelDAGToDAG.cpp
+++ b/lib/Target/Sparc/SparcISelDAGToDAG.cpp
@@ -15,6 +15,7 @@
 #include "SparcTargetMachine.h"
 #include "llvm/DerivedTypes.h"
 #include "llvm/Function.h"
+#include "llvm/Intrinsics.h"
 #include "llvm/CodeGen/MachineFrameInfo.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
@@ -166,6 +167,7 @@ SparcTargetLowering::SparcTargetLowering(TargetMachine &TM)
   
   // Sparc doesn't have BRCOND either, it has BR_CC.
   setOperationAction(ISD::BRCOND, MVT::Other, Expand);
+  setOperationAction(ISD::BRIND, MVT::i32, Expand);
   setOperationAction(ISD::BR_CC, MVT::i32, Custom);
   setOperationAction(ISD::BR_CC, MVT::f32, Custom);
   setOperationAction(ISD::BR_CC, MVT::f64, Custom);
@@ -915,7 +917,15 @@ SparcTargetLowering::InsertAtEndOfBasicBlock(MachineInstr *MI,
   MachineFunction *F = BB->getParent();
   F->getBasicBlockList().insert(It, copy0MBB);
   F->getBasicBlockList().insert(It, sinkMBB);
-  // Update machine-CFG edges
+  // Update machine-CFG edges by first adding all successors of the current
+  // block to the new block which will contain the Phi node for the select.
+  for(MachineBasicBlock::succ_iterator i = BB->succ_begin(), 
+      e = BB->succ_end(); i != e; ++i)
+    sinkMBB->addSuccessor(*i);
+  // Next, remove all successors of the current block, and add the true
+  // and fallthrough blocks as its successors.
+  while(!BB->succ_empty())
+    BB->removeSuccessor(BB->succ_begin());
   BB->addSuccessor(copy0MBB);
   BB->addSuccessor(sinkMBB);