diff options
Diffstat (limited to 'lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp')
-rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp index f711ca71f79f..bdf57e805842 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp @@ -1483,7 +1483,6 @@ void SelectionDAGISel::SelectAllBasicBlocks(const Function &Fn) { // Try to select the instruction with FastISel. if (FastIS->selectInstruction(Inst)) { - FastISelFailed = true; --NumFastIselRemaining; ++NumFastIselSuccess; // If fast isel succeeded, skip over all the folded instructions, and @@ -1506,8 +1505,14 @@ void SelectionDAGISel::SelectAllBasicBlocks(const Function &Fn) { continue; } + FastISelFailed = true; + // Then handle certain instructions as single-LLVM-Instruction blocks. - if (isa<CallInst>(Inst)) { + // We cannot separate out GCrelocates to their own blocks since we need + // to keep track of gc-relocates for a particular gc-statepoint. This is + // done by SelectionDAGBuilder::LowerAsSTATEPOINT, called before + // visitGCRelocate. + if (isa<CallInst>(Inst) && !isStatepoint(Inst) && !isGCRelocate(Inst)) { OptimizationRemarkMissed R("sdagisel", "FastISelFailure", Inst->getDebugLoc(), LLVMBB); |