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path: root/lib/Transforms/Scalar/CondPropagate.cpp
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2007-08-02Fix PR1575 and test/Transforms/CondProp/2007-08-01-InvalidRead.llChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40720 91177308-0d34-0410-b5e6-96231b3b80d8
2007-07-26Fix thinko. Update return status appropriately.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40546 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-06Fix typo in comment.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36873 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-03Drop 'const'Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36662 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-02Use 'static const char' instead of 'static const int'.Devang Patel
Due to darwin gcc bug, one version of darwin linker coalesces static const int, which defauts PassID based pass identification. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36652 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-01Do not use typeinfo to identify pass in pass manager.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36632 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-02Prefer non-virtual calls to ConstantInt::isZero over virtual calls toReid Spencer
Constant::isNullValue() in situations where it is possible. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34821 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01Although probably not necessary, guard against a potential assertion byReid Spencer
using isNullValue() instead of getZExtValue() == 0. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34815 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-05Apply the VISIBILITY_HIDDEN field to the remaining anonymous classes inReid Spencer
the Transforms library. This reduces debug library size by 132 KB, debug binary size by 376 KB, and reduces link time for llvm tools slightly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33939 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-12eliminate redundant checkChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33132 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-12Implement review feedback for the ConstantBool->ConstantInt merge. ChrisReid Spencer
recommended that getBoolValue be replaced with getZExtValue and that get(bool) be replaced by get(const Type*, uint64_t). This implements those changes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33110 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-11Rename BoolTy as Int1Ty. Patch by Sheng Zhou.Reid Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33076 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-11For PR1043:Zhou Sheng
Merge ConstantIntegral and ConstantBool into ConstantInt. Remove ConstantIntegral and ConstantBool from LLVM. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33073 91177308-0d34-0410-b5e6-96231b3b80d8
2006-12-19Switch over Transforms/Scalar to use the STATISTIC macro. For each statisticChris Lattner
converted, we lose a static initializer. This also allows GCC to emit warnings about unused statistics. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32690 91177308-0d34-0410-b5e6-96231b3b80d8
2006-12-06Detemplatize the Statistic class. The only type it is instantiated withChris Lattner
is 'unsigned'. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32279 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-26Removed #include <iostream> and replaced with llvm_* streams.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31923 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-01There can be more than one PHINode at the start of the block.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31362 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-01Handle PHINode with only one incoming value.Devang Patel
This fixes http://llvm.org/bugs/show_bug.cgi?id=979 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31358 91177308-0d34-0410-b5e6-96231b3b80d8
2006-08-27eliminate RegisterOpt. It does the same thing as RegisterPass.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29925 91177308-0d34-0410-b5e6-96231b3b80d8
2006-08-14Handle single-entry PHI nodes correctly. This fixes PR877 andChris Lattner
Transforms/CondProp/2006-08-14-SingleEntryPhiCrash.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29673 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-04Fix a fixme in CondPropagate.cpp by moving a PhiNode optimization intoNate Begeman
BasicBlock's removePredecessor routine. This requires shuffling around the definition and implementation of hasContantValue from Utils.h,cpp into Instructions.h,cpp git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22664 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-21Remove trailing whitespaceMisha Brukman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21427 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-18silence a bogus warningChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21320 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-15a new simple pass, which will be extended to be more useful in the future.Chris Lattner
This pass forward branches through conditions when it can show that the conditions is either always true or false for a predecessor. This currently only handles the most simple cases of this, but is successful at threading across 2489 branches and 65 switch instructions in 176.gcc, which isn't bad. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21306 91177308-0d34-0410-b5e6-96231b3b80d8
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