[PATCH] D20379: Codegen: Fix broken assumption in Tail Merge.

[Kyle Butt via llvm-commits]

iteratee updated this revision to Diff 58663.
iteratee marked an inline comment as done.
iteratee added a comment.

Added a test case, and another check where we weren't being explicit about cfg vs layout successor.


http://reviews.llvm.org/D20379

Files:
  lib/CodeGen/BranchFolding.cpp
  test/CodeGen/ARM/test-sharedidx.ll
  test/CodeGen/Hexagon/always-ext.ll
  test/CodeGen/Mips/eh.ll
  test/CodeGen/SPARC/missinglabel.ll
  test/CodeGen/Thumb2/thumb2-cbnz.ll
  test/CodeGen/Thumb2/thumb2-ifcvt3.ll
  test/CodeGen/WebAssembly/cfg-stackify.ll
  test/CodeGen/X86/br-fold.ll
  test/CodeGen/X86/tail-merge-unreachable.ll

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