Owen Anderson
7fcaaadf1c
Add support for walking up memory def chains, which enables finding many more
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dead stores on 400.perlbench.
llvm-svn: 39929
2007-07-16 21:52:50 +00:00
Owen Anderson
1e1bace52b
Let MemoryDependenceAnalysis take care of updating AliasAnalysis.
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llvm-svn: 39769
2007-07-12 00:06:21 +00:00
Owen Anderson
c432490b4c
Calculate the size of a array allocation correctly.
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llvm-svn: 38511
2007-07-10 20:48:38 +00:00
Owen Anderson
faf9e42479
Fix a crasher when finding the dependency of a call.
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llvm-svn: 38510
2007-07-10 20:39:07 +00:00
Owen Anderson
1279eaf776
Make this pass registration static as well.
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llvm-svn: 38509
2007-07-10 20:21:08 +00:00
Owen Anderson
1fa6132e85
Handle vaarg instructions correctly.
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llvm-svn: 38504
2007-07-10 18:43:15 +00:00
Owen Anderson
94a21dd1e0
Volatile loads and stores depend on each other.
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llvm-svn: 38502
2007-07-10 18:11:42 +00:00
Owen Anderson
9c88457abe
Add support for finding the dependencies of call and invoke instructions.
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llvm-svn: 38497
2007-07-10 17:59:22 +00:00
Owen Anderson
2552a12e65
Fix the build, and fix the handling of pointer sizes.
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llvm-svn: 38494
2007-07-10 17:25:03 +00:00
Owen Anderson
47352db672
Fix a bunch of things from Chris' feedback
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llvm-svn: 38493
2007-07-10 17:08:11 +00:00
Owen Anderson
c0daf5fe53
A first stab at memory dependence analysis. This is an interface on top of
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alias analysis, adding caching and lazy computation of queries. This will
be used in planned improvements to memory access optimizations.
llvm-svn: 37958
2007-07-06 23:14:35 +00:00
