[LLVMbugs] [Bug 1518] Alias analysis chaining doesn't work

bugzilla-daemon at cs.uiuc.edu bugzilla-daemon at cs.uiuc.edu
Mon Jun 18 11:24:41 PDT 2007


dpatel at apple.com changed:

           What    |Removed                     |Added
             Status|NEW                         |RESOLVED
         Resolution|                            |INVALID

------- Additional Comments From dpatel at apple.com  2007-06-18 13:24 -------
It works...

(gdb) r -qemu-aa -disable-output /tmp/a.bc -debug-pass=Structure -aa-eval
Starting program: /Volumes/src/llvm/Debug/bin/opt -qemu-aa -disable-output /tmp/a.bc -debug-
pass=Structure -aa-eval
Pass Arguments:  -qemu-aa -aa-eval -domtree -verify
Target Data Layout
Basic Alias Analysis (default AA impl)
  ModulePass Manager
    QEMU Alias Analysis
    FunctionPass Manager
      Exhaustive Alias Analysis Precision Evaluator
--      Exhaustive Alias Analysis Precision Evaluator
      Dominator Tree Construction
      Module Verifier
--      Module Verifier
--      Dominator Tree Construction
--    QEMU Alias Analysis
===== Alias Analysis Evaluator Report =====
  6 Total Alias Queries Performed
  3 no alias responses (50.0%)
  2 may alias responses (33.3%)
  1 must alias responses (16.6%)
  Alias Analysis Evaluator Pointer Alias Summary: 50%/33%/16%
  Alias Analysis Mod/Ref Evaluator Summary: no mod/ref!

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