[GVNSink] Fix failing GVNSink tests in the reverse iteration bot

Summary:

The elts of ActivePreds which is defined as a SmallPtrSet are copied
into Blocks using std::copy. This makes the resultant order of Blocks
non-deterministic. We cannot simply sort Blocks as they need to match
the corresponding Values. So a better approach is to define ActivePreds
as SmallSetVector.

This fixes the following failures in
http://lab.llvm.org:8011/builders/reverse-iteration:
  LLVM :: Transforms/GVNSink/indirect-call.ll
  LLVM :: Transforms/GVNSink/sink-common-code.ll
  LLVM :: Transforms/GVNSink/struct.ll

Reviewers: dberlin, jmolloy, bkramer, efriedma

Reviewed By: dberlin

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D39025

llvm-svn: 316369
1 file changed
tree: 9ebddefb1023d4a008c2d627f3b81837c22a23f7
  1. clang/
  2. clang-tools-extra/
  3. compiler-rt/
  4. debuginfo-tests/
  5. libclc/
  6. libcxx/
  7. libcxxabi/
  8. libunwind/
  9. lld/
  10. lldb/
  11. llgo/
  12. llvm/
  13. openmp/
  14. parallel-libs/
  15. polly/
  16. README.md
README.md

Low Level Virtual Machine (LLVM)

This directory and its subdirectories contain source code for LLVM, a toolkit for the construction of highly optimized compilers, optimizers, and runtime environments.