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2004-05-01Implement SimplifyCFG/branch-cond-merge.llChris Lattner
Turning "if (A < B && B < C)" into "if (A < B & B < C)" git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13311 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-01New testcase:Chris Lattner
Turn "if (A < B && B < C)" into "if (A < B & B < C)" git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13310 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-01Make sure to reprocess instructions used by deleted instructions to avoidChris Lattner
missing opportunities for combination. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13309 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-01Make sure the instruction combiner doesn't lose track of instructionsChris Lattner
when replacing them, missing the opportunity to do simplifications git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13308 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-01Fix my missing parensChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13307 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-01Implement SimplifyCFG/branch-cond-prop.llChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13306 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-01New testcase for case that simplifycfg should catchChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13305 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-01Remove unused #includeChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13304 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-01Iterate over the Machine CFG that Brian added instead of the LLVM CFG.Chris Lattner
Look at all of the pretty minuses. :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13303 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-01Operate on the Machine CFG instead of on the LLVM CFGChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13302 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-01Stop LiveVariables from using BasicBlocks as part of the mapping, insteadChris Lattner
use MachineBasicBlocks. To do this, we traverse the Machine CFG instead of the LLVM CFG, which is also *MUCH* more efficient by having fewer levels of indirections and mappings. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13301 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-01Stop LiveVariables from using BasicBlocks as part of the mapping, insteadChris Lattner
use MachineBasicBlocks. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13300 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-01Move the GraphTraits for MachineBasicBlocks to the MachineBasicBlock file.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13299 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-01Add comment about optimizationsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13298 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-01Add a constructor that got lostChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13297 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-01Generalize the strlen size_t hack, for the benefit of the other externalBrian Gaeke
functions with wrappers that either take or return size_ts. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13296 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-30Fix broken link, again.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13295 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-30Sorry, now friend class name should be right!!Tanya Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13294 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-30Fixed friend class name for ModuloScheduling.Tanya Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13293 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-30Fixed friend class name for ModuloSchedTanya Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13292 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-30Removing MachineResource class.Tanya Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13291 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-30Fix a broken linkChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13290 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-30Fix a major pessimization in the instcombiner. If an allocation instructionChris Lattner
is only used by a cast, and the casted type is the same size as the original allocation, it would eliminate the cast by folding it into the allocation. Unfortunately, it was placing the new allocation instruction right before the cast, which could pull (for example) alloca instructions into the body of a function. This turns statically allocatable allocas into expensive dynamically allocated allocas, which is bad bad bad. This fixes the problem by placing the new allocation instruction at the same place the old one was, duh. :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13289 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-29Add machine-CFG graph traits specializations.Brian Gaeke
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13288 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-29Wrapped code and comments at 80 cols; doxygenified some comments.Misha Brukman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13264 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-29Reorder #includes as per style guide.Misha Brukman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13263 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-28Added `zeroinitializer' keyword.Misha Brukman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13253 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-28class AssemblyWriter:Misha Brukman
* Make contained ostream pointer, not reference * Allow setting of that ostream via setStream() class CachedWriter: * setStream() in turn calls setStream() on the AssemblyWriter git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13247 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-28* Make contained ostream not public.Misha Brukman
* Remove various print methods that called the Value* method, just have one that all subclasses of Value will use anyway. * Remove template for printing constant references * Add methods to print char* and strings * setStream now sets the stream on the contained AssemblyWriter git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13246 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-28Send text and numbers directly to CachedWriter's contained ostream.Misha Brukman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13243 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-28Squelch compile-time warning (profile build).Misha Brukman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13228 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-28* Add ability to print out type as symbolicMisha Brukman
* Add Module accessor to AssemblyWriter git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13227 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-28* Add ability to get and set the output streamMisha Brukman
* New feature: outputting a Type* as symbolic, controlled via the stream similarly to sending std::hex to change number format git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13226 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-28Add pred./succ. list size methods.Brian Gaeke
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13214 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-28Make RequiresFPRegKill() take a MachineBasicBlock arg.Brian Gaeke
In InsertFPRegKills(), just check the MachineBasicBlock for successors instead of its corresponding BasicBlock. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13213 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-28In InsertFPRegKills(), use the machine-CFG itself rather than theBrian Gaeke
LLVM CFG when trying to find the successors of BB. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13212 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-28Update the machine-CFG edges whenever we see a branch.Brian Gaeke
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13211 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-28Move private methods to end of class decl at Chris's requestBrian Gaeke
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13210 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-28Fix thinkos that Chris caught for me.Brian Gaeke
Make pred mutators private. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13209 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-28Add machine-code CFG support: MachineBasicBlocks may now have their ownBrian Gaeke
predecessors and successors git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13208 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-27Integrate the rest of my random sparcv9 scribblings into this fileBrian Gaeke
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13204 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-27Fix warning building in optimized modeChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13190 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-27Fix warningChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13189 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-27Changes to fix up the inst_iterator to pass to boost iterator checks. ThisChris Lattner
patch was graciously contributed by Vladimir Prus. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13185 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-26Because I like being able to instantiate the cfgprinter from external projects,Brian Gaeke
this header file is born. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13176 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-26Add functions that return instances of these printer passesBrian Gaeke
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13175 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-26Fix a typo in a comment.Brian Gaeke
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13174 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-26If an object is not in the scalar map then it must be a global from anotherChris Lattner
graph. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13173 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-26Instcombine X/-1 --> 0-XChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13172 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-26Add a new testcase for X/-1, fix bug that prevented tests from running rightChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13171 91177308-0d34-0410-b5e6-96231b3b80d8
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