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10 Commits

Author SHA1 Message Date
Nick Lewycky dddf5dcdaf Correctly handle the case where a comparison is created in one BasicBlock and 
used by a terminator in another.

llvm-svn: 81437
 2009-09-10 07:02:09 +00:00
Nick Lewycky cbfe9b195c Fix up PHI nodes correctly in the presence of unreachable BBs, part two. Also 
delete a newed pointer, and improve readability a little bit.

llvm-svn: 79411
 2009-08-19 07:16:57 +00:00
Nick Lewycky 9ddc52d5b8 Be more careful when modifying PHI nodes. Patch by Andre Tavares. 
llvm-svn: 79407
 2009-08-19 06:24:33 +00:00
Nick Lewycky 4c737147e1 Don't crash on critical edge. Patch by Andre Tavares. 
llvm-svn: 79252
 2009-08-17 17:00:57 +00:00
Nick Lewycky dd0e74ceee SSI construction should just go ahead and ignore instructions in unreachable 
blocks.

llvm-svn: 79132
 2009-08-15 20:12:18 +00:00
Owen Anderson 55f1c09e31 Push LLVMContexts through the IntegerType APIs. 
llvm-svn: 78948
 2009-08-13 21:58:54 +00:00
Dan Gohman 38484ceec9 Remove unnecessary casts. 
llvm-svn: 78664
 2009-08-11 15:15:10 +00:00
Nick Lewycky ab81d2f5e9 There's no need to consider PHI nodes in the same block as the instruction 
we're inserting sigma/phi functions for. Patch by Andre Tavares.

llvm-svn: 75138
 2009-07-09 15:59:27 +00:00
Nick Lewycky eb373ad2af Add some statistics to SSI so we can see what it's up to. 
Add an -ssi-everything pass which calls createSSI on everything in the function.

llvm-svn: 75135
 2009-07-09 15:33:14 +00:00
Nick Lewycky cb23509546 Add Static Single Information construction pass written by André Tavares! 
Use it by requiring it through the pass manager, then calling its createSSI
method on the variables that you want in SSI form.

llvm-svn: 74780
 2009-07-03 19:28:36 +00:00