[PATCH] D110012: [asan] Fixed a bug causing a crash when redzone optimization kicked in on X86 with -asan-optimize-callbacks flag on.

[Kirill Stoimenov via Phabricator via llvm-commits]

kstoimenov created this revision.
kstoimenov added a reviewer: eugenis.
Herald added subscribers: pengfei, hiraditya.
kstoimenov requested review of this revision.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.

This change adds the ASan intrinsic to the list whihc are setting hasCopyImplyingStackAdjustment.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D110012

Files:
  llvm/lib/Target/X86/X86ISelLowering.cpp


Index: llvm/lib/Target/X86/X86ISelLowering.cpp
===================================================================
--- llvm/lib/Target/X86/X86ISelLowering.cpp
+++ llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -26963,6 +26963,9 @@
                          DAG.getConstant(0, dl, MVT::i32),
                          DAG.getConstant(0, dl, MVT::i32));
     }
+    // Sanitizer memory access check.
+    case llvm::Intrinsic::x86_asan_check_memaccess:
+    // Flags read/write.
     case llvm::Intrinsic::x86_flags_read_u32:
     case llvm::Intrinsic::x86_flags_read_u64:
     case llvm::Intrinsic::x86_flags_write_u32:


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