[PATCH] D12358: [Analyzer] Handling constant bound loops

[Sean Eveson via cfe-commits]

seaneveson updated this revision to Diff 33906.
seaneveson added a comment.

Refactored into a new file: LoopWidening.cpp (and LoopWidening.h).
Added an analyzer-config option, which defaults to false: widen-constant-bound-loops=false
Modified analyzer-config tests to check for the new option.
Added code to invalidate the stack locals, stack arguments and global regions (WIP).
Added a test to check variables are unknown after a widened loop, which currently fails.


http://reviews.llvm.org/D12358

Files:
  include/clang/StaticAnalyzer/Core/AnalyzerOptions.h
  include/clang/StaticAnalyzer/Core/PathSensitive/LoopWidening.h
  lib/StaticAnalyzer/Core/AnalyzerOptions.cpp
  lib/StaticAnalyzer/Core/CMakeLists.txt
  lib/StaticAnalyzer/Core/ExprEngine.cpp
  lib/StaticAnalyzer/Core/LoopWidening.cpp
  test/Analysis/analyzer-config.c
  test/Analysis/analyzer-config.cpp
  test/Analysis/constant-bound-loops.c

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