[PATCH] D61680: [X86] Avoid SFB - Fix inconsistent codegen with/without debug info

[Adrian Prantl via Phabricator via llvm-commits]

aprantl added inline comments.


================
Comment at: llvm/lib/Target/X86/X86AvoidStoreForwardingBlocks.cpp:410
+  auto PrevInstrIt = skipDebugInstructionsBackward(
+      --MachineBasicBlock::instr_iterator(StoreInst), MBB->instr_begin());
+  if (PrevInstrIt.getNodePtr() == LoadInst)
----------------
std::prev ?


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  https://reviews.llvm.org/D61680/new/

https://reviews.llvm.org/D61680