[PATCH] D19409: [X86] Handle MachineBasicBlock as a memory displacement operand in the LEA optimization pass

[Andrey Turetskiy via llvm-commits]

aturetsk created this revision.
aturetsk added reviewers: nadav, qcolombet.
aturetsk added subscribers: llvm-commits, zinovy.nis.

A memory displacement operand in a LEA instruction can be a MachineBasicBlock. Currently if that happens the LEA optimization pass crashes with 'UNREACHABLE'.
This patch fixes that.

http://reviews.llvm.org/D19409

Files:
  lib/Target/X86/X86OptimizeLEAs.cpp
  test/CodeGen/X86/lea-opt-memop-check-1.ll
  test/CodeGen/X86/lea-opt-memop-check-2.ll
  test/CodeGen/X86/lea-opt-memop-check.ll

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