[PATCH] D77075: [Statepoint] Fix StatepointLoweringInfo::GCTransitionArgs initialization

[Denis Antrushin via Phabricator via llvm-commits]

dantrushin created this revision.
dantrushin added reviewers: reames, skatkov.
Herald added subscribers: llvm-commits, hiraditya.
Herald added a project: LLVM.

In method SelectionDAGBuilder::LowerStatepoint, array SI.GCTransitionArgs
is initialized from wrong part of ImmutableStatepoint class.
We copy gc args instead of transitions args.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D77075

Files:
  llvm/lib/CodeGen/SelectionDAG/StatepointLowering.cpp


Index: llvm/lib/CodeGen/SelectionDAG/StatepointLowering.cpp
===================================================================
--- llvm/lib/CodeGen/SelectionDAG/StatepointLowering.cpp
+++ llvm/lib/CodeGen/SelectionDAG/StatepointLowering.cpp
@@ -849,8 +849,8 @@
 
   SI.GCArgs = ArrayRef<const Use>(ISP.gc_args_begin(), ISP.gc_args_end());
   SI.StatepointInstr = ISP.getInstruction();
-  SI.GCTransitionArgs =
-      ArrayRef<const Use>(ISP.gc_args_begin(), ISP.gc_args_end());
+  SI.GCTransitionArgs = ArrayRef<const Use>(ISP.gc_transition_args_begin(),
+                                            ISP.gc_transition_args_end());
   SI.ID = ISP.getID();
   SI.DeoptState = ArrayRef<const Use>(ISP.deopt_begin(), ISP.deopt_end());
   SI.StatepointFlags = ISP.getFlags();


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