[ARM] ARMExpandPseudoInsts: add debug messages

This pass wasn't printing any messages at all, which I find really inconvenient
while debugging/tracing things. It now dumps the before and after of expanded
instructions. It doesn't do this yet for all instructions, but this is a good
start I guess.

Differential Revision: https://reviews.llvm.org/D62297

llvm-svn: 361604
1 file changed
tree: a4fed8795425aa8f3bf2692640ac4bcb32ddd5af
  1. .arcconfig
  2. .clang-format
  3. .clang-tidy
  4. .gitignore
  5. README.md
  6. clang-tools-extra/
  7. clang/
  8. compiler-rt/
  9. debuginfo-tests/
  10. libclc/
  11. libcxx/
  12. libcxxabi/
  13. libunwind/
  14. lld/
  15. lldb/
  16. llgo/
  17. llvm/
  18. openmp/
  19. parallel-libs/
  20. polly/
  21. pstl/

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