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085c801dee
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165 Commits

Author SHA1 Message Date
Chris Lattner
085c801dee Fix bug where use still existed in dead code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5824 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-04-21 19:15:26 +00:00
Chris Lattner
393689afa9 Fix bug: Mem2reg/2003-04-18-DeadBlockProblem.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5810 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-04-18 19:25:22 +00:00
Chris Lattner
17d145d26f Refactor CloneFunction to expose the new CloneBasicBlock function 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5806 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-04-18 03:50:09 +00:00
Chris Lattner
15faa8498c New const_cast instead of c style cast 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5805 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-04-18 03:49:49 +00:00
Chris Lattner
4ad02e726d Add new linkage types to support a real frontend 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5786 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-04-16 20:28:45 +00:00
Chris Lattner
d4bd3eba5d * Fix bug: Mem2Reg/2003-04-10-DFNotFound.ll 
* Make Mem2Reg assign version numbers now for renamed variables instead of
  .mem2reg suffixes.  This produces what people think of as SSA.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5771 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-04-10 19:41:13 +00:00
Chris Lattner
6c0e0496dc * We now preserve the no-critical-edge pass (because we cannot insert critical edges) 
* Small modification to be more efficient


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5757 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-31 17:30:25 +00:00
Chris Lattner
3a43837d85 Fix bug: SimplifyCFG/2003-03-07-DominateProblem.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5722 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-07 18:13:41 +00:00
Chris Lattner
46a5f1f6e4 Implement CFGSimplify/PhiBlockMerge*.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5702 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-05 21:36:33 +00:00
Chris Lattner
e2ca540e7c Implement testcase CFGSimplify/EqualPHIEdgeBlockMerge.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5699 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-05 21:01:52 +00:00
Chris Lattner
fb743a937f Change the mem2reg interface to accept a TargetData argument 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5685 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-03 17:25:18 +00:00
Chris Lattner
6315938d68 Fix bug I introduced yesterday :( 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5669 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-28 16:54:17 +00:00
Chris Lattner
74cd04ea01 Fix bug: LICM/2003-02-27-PreheaderExitNodeUpdate.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5667 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-28 03:07:54 +00:00
Chris Lattner
9f879cfb0a Fix bug: 2003-02-27-PreheaderExitNodeUpdate.ll by updating exit node info 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5664 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-27 22:48:57 +00:00
Chris Lattner
7e7ad49c23 Add a new assertion to check that stuff is happening right 
Ironically the exit block modification code wasn't updating the exit block
information itself.  Fix this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5659 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-27 22:31:07 +00:00
Chris Lattner
69269ac203 * Don't forget to update Loop information! 
* Remove bogus assertion: there may be a single outside predecessor and
    still need a new loop-preheader if the predecessor has multiple
    successors.  See bug: LICM/2003-02-27-PreheaderProblem.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5655 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-27 21:50:19 +00:00
Chris Lattner
dbf3cd7952 * Significant changes to the preheader insertion pass: 
- Now we perform loop exit-block splitting to ensure exit blocks are
     always dominated by the loop header.
   - We now preserve dominance frontier information
   - This fixes bug: LICM/2003-02-26-LoopExitNotDominated.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5652 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-27 20:27:08 +00:00
Chris Lattner
f0a93ed9c5 Rename Instruction::hasSideEffects() -> mayWriteToMemory() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5620 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-24 20:48:32 +00:00
Chris Lattner
d99bf49a53 Split mem2reg promotion into two parts: a function which does the work, and 
a pass which wraps the function.  This allows other passes to use the functionality


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5610 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-22 23:57:48 +00:00
Chris Lattner
cc139de15a Clean up std namespace references 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5608 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-22 22:25:17 +00:00
Chris Lattner
2f6bb2bce1 * Fix linking of opaque types and their non-opaque versions 
* Fix bug: Linker/2003-01-30-LinkerTypeRename.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5441 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-01-30 20:53:43 +00:00
Chris Lattner
5c2d335d86 Eliminate using decls 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5439 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-01-30 19:53:34 +00:00
Chris Lattner
3cf5db73c7 Add debugging helper 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5235 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-01-13 00:52:25 +00:00
Vikram S. Adve
83e3b6503d This file implements the function DemoteRegToStack(), which takes a 
virtual register computed by an Instruction& X and replaces it with
a slot in the stack frame, allocated via alloca.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4964 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-10 13:07:58 +00:00
Chris Lattner
ac8d4d9d59 Fix bug that was bugging bugpoint 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4953 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-07 21:27:16 +00:00
Chris Lattner
b91b657e02 Fix big bug introduced with symbol table changes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4885 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-03 18:32:30 +00:00
Chris Lattner
51cbcbf435 Initial checkin of Module cloning support stuff 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4788 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-11-20 20:47:41 +00:00
Chris Lattner
6e6026b465 - Eliminated the deferred symbol table stuff in Module & Function, it really 
wasn't an optimization and it was causing lots of bugs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4779 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-11-20 18:36:02 +00:00
Chris Lattner
c09aab0a4d Fix minor bugs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4778 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-11-20 18:32:31 +00:00
Chris Lattner
03b4c2d22a Remove unneccesary #include 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4772 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-11-19 23:12:53 +00:00
Chris Lattner
5a8932f57f Implement the CloneFunction function 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4771 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-11-19 23:12:22 +00:00
Chris Lattner
d18015599c Minor changes to cloning interface 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4770 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-11-19 22:54:01 +00:00
Chris Lattner
6c2e2e5287 Fix two fixmes: integrate with inlining, and document 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4769 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-11-19 22:04:49 +00:00
Chris Lattner
dcd8040d11 Rework inline pass to use cloning infrastructure to do the dirty work 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4766 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-11-19 21:54:07 +00:00
Chris Lattner
309f19391b Start using the new function cloning header 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4764 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-11-19 20:59:41 +00:00
Chris Lattner
6918c079a1 BreakCriticalEdges should update dominance frontier information as well as 
other dominance stuff.  Patch contributed by Casey Carter


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4457 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-31 02:44:36 +00:00
Misha Brukman
a3bbcb5b66 Fix spelling of `propagate'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4423 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-29 23:06:16 +00:00
Chris Lattner
cb2610ea03 - Rename AnalysisUsage::preservesAll to getPreservesAll & preservesCFG to 
setPreservesCFG to be less confusing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4255 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-21 20:00:28 +00:00
Chris Lattner
69da5cf261 - Change Function's so that their argument list is populated when they are 
constructed.  Before, external functions would have an empty argument list,
    now a Function ALWAYS has a populated argument list.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4149 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-13 20:57:00 +00:00
Chris Lattner
d3d06a5cd8 - Fix bug: cee/2002-10-07-NoImmediateDominator.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4081 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-08 21:53:51 +00:00
Chris Lattner
bb190ac8da Changes to support PHINode::removeIncoming changes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4079 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-08 21:36:33 +00:00
Chris Lattner
e802a023d9 Expose isCriticalEdge & SplitCriticalEdge methods from crit-edges pass 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4075 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-08 21:06:27 +00:00
Chris Lattner
a92f696b74 Updates to work with recent Statistic's changes: 
* Renamed StatisticReporter.h/cpp to Statistic.h/cpp
    * Broke constructor to take two const char * arguments instead of one, so
      that indendation can be taken care of automatically.
    * Sort the list by pass name when printing
    * Make sure to print all statistics as a group, instead of randomly when
      the statistics dtors are called.
    * Updated ProgrammersManual with new semantics.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4002 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-01 22:38:41 +00:00
Chris Lattner
4d01892e36 Fix major bugs in dominator set & tree information updating 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3975 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-29 21:41:38 +00:00
Chris Lattner
0bd3616b0b Change pass name to something sane 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3946 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-26 16:37:37 +00:00
Chris Lattner
c178d9459a - Cleanup break-crit-edges pass by making SplitCriticalEdge a member method. 
- break-crit-edges pass does not invalidate loop-preheader pass.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3944 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-26 16:18:51 +00:00
Chris Lattner
38acf9e85d Checkin new loop-preheader insertion pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3942 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-26 16:17:31 +00:00
Chris Lattner
3b2106ff84 Change LowerAllocations pass to 'require' TargetData instead of it being 
passed in.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3929 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-25 23:47:47 +00:00
Chris Lattner
112e97dbee - Fix bug: Mem2Reg/2002-05-01-ShouldNotPromoteThisAlloca.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3917 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-24 21:19:41 +00:00
Chris Lattner
929b2c6900 Fix bug: SimplifyCFG/2002-09-24-PHIAssertion.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3913 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-24 16:09:17 +00:00