Add a target callback for FastISel.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55512 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index f2246ca..9b982f4 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -5757,10 +5757,15 @@
Begin = F->SelectInstructions(Begin, End, FuncInfo->ValueMap,
FuncInfo->MBBMap, BB);
+ // If the "fast" selector selected the entire block, we're done.
if (Begin == End)
- // The "fast" selector selected the entire block, so we're done.
break;
+ // Next, try calling the target to attempt to handle the instruction.
+ if (F->TargetSelectInstruction(Begin, FuncInfo->ValueMap,
+ FuncInfo->MBBMap, BB))
+ continue;
+
// Handle certain instructions as single-LLVM-Instruction blocks.
if (isa<CallInst>(Begin) || isa<LoadInst>(Begin) ||
isa<StoreInst>(Begin)) {
@@ -5783,7 +5788,7 @@
// The "fast" selector couldn't handle something and bailed.
// For the purpose of debugging, just abort.
#ifndef NDEBUG
- Begin->dump();
+ Begin->dump();
#endif
assert(0 && "FastISel didn't select the entire block");
}