[PATCH] D56151: [DebugInfo] PR40010: Avoid register coalesing altering DBG_VALUE valuations

[Adrian Prantl via Phabricator via llvm-commits]

aprantl accepted this revision.
aprantl added inline comments.
This revision is now accepted and ready to land.


================
Comment at: lib/CodeGen/RegisterCoalescer.cpp:1638
+
+  // Is the src reg live across the DBG_VALUE?
+  bool SrcLive = false;
----------------
source register


================
Comment at: lib/CodeGen/RegisterCoalescer.cpp:1652
+  } else if (MRI->isConstantPhysReg(DstReg)) {
+    // Constant phys regs are always live.
+    DstLive = true;
----------------
Constant physical registers


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https://reviews.llvm.org/D56151