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-rw-r--r--llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp6
1 files changed, 5 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index f711ca71f79..72b1b39a524 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -1507,7 +1507,11 @@ void SelectionDAGISel::SelectAllBasicBlocks(const Function &Fn) {
}
// 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);
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