diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectOptimize.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectOptimize.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/SelectOptimize.cpp b/llvm/lib/CodeGen/SelectOptimize.cpp index 31c4b63..5609f48 100644 --- a/llvm/lib/CodeGen/SelectOptimize.cpp +++ b/llvm/lib/CodeGen/SelectOptimize.cpp @@ -621,6 +621,12 @@ void SelectOptimizeImpl::convertProfitableSIGroups(SelectGroups &ProfSIGroups) { SelectLike LastSI = ASI.back(); BasicBlock *StartBlock = SI.getI()->getParent(); BasicBlock::iterator SplitPt = ++(BasicBlock::iterator(LastSI.getI())); + // With RemoveDIs turned off, SplitPt can be a dbg.* intrinsic. With + // RemoveDIs turned on, SplitPt would instead point to the next + // instruction. To match existing dbg.* intrinsic behaviour with RemoveDIs, + // tell splitBasicBlock that we want to include any DPValues attached to + // SplitPt in the splice. + SplitPt.setHeadBit(true); BasicBlock *EndBlock = StartBlock->splitBasicBlock(SplitPt, "select.end"); BFI->setBlockFreq(EndBlock, BFI->getBlockFreq(StartBlock)); // Delete the unconditional branch that was just created by the split. |