[PATCH] D15692: [X86] Reduce complexity of the LEA optimization pass

[Andrey Turetskiy via llvm-commits]

aturetsk added a comment.

Hello George,
Thanks for the review.


================
Comment at: lib/Target/X86/X86OptimizeLEAs.cpp:93
@@ -88,1 +92,3 @@
 
+  std::unordered_map<const MachineInstr *, unsigned> InstrPos;
+
----------------
george.burgess.iv wrote:
> Is there a reason that we can't use `DenseMap` here instead?
Fixed.


http://reviews.llvm.org/D15692