[PATCH] D16339: [safestack] Make sure the unsafe stack pointer is popped in all cases

[Anna Zaks via llvm-commits]

zaks.anna created this revision.
zaks.anna added reviewers: pcc, eugenis.
zaks.anna added subscribers: kubabrecka, llvm-commits.

The unsafe stack pointer is only popped in moveStaticAllocasToUnsafeStack so it won't happen if there are no static allocas.

Fixes https://llvm.org/bugs/show_bug.cgi?id=26122

http://reviews.llvm.org/D16339

Files:
  lib/Transforms/Instrumentation/SafeStack.cpp
  test/Transforms/SafeStack/ARM/setjmp.ll
  test/Transforms/SafeStack/dynamic-alloca.ll
  test/Transforms/SafeStack/setjmp2.ll

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