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2008-07-07Remove uses of "llvm/Support/Debug.h" from LLVM include files, whichDan Gohman
all happened be unnecessary. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53182 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-07Remove unnecessary static_casts.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53181 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-07Remove an unnecessary reinterpret_cast.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53180 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-07Add explicit keywords.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53179 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-07Use empty() instead of size().Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53178 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-07Make DenseMap's insert return a pair, to more closely resemble std::map.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53177 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-07Removed ImmutableMap::SlimFind and replaced it with ImmutableMap::lookup. ↵Ted Kremenek
The new method does the same thing, except that it returns a pointer to the mapped data type, and not to an internal tree node. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53171 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-07LegalizeSetCCOperands should legalize the result of ExpandLibCall. Patch by ↵Evan Cheng
Richard Osborne. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53169 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-07Handle 'lshr' instruction with SCEVUDiv object.Nick Lewycky
Comment the xor %x, -1 case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53167 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-07Prevent option name conflict.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53166 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-07LegalizeTypes soft-float support for stores of aDuncan Sands
float value. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53165 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-05Add convenient helper for checking whether global is weak in linker senseAnton Korobeynikov
having weak or linkonce or common or extweak LLVM linkage. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53158 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-05Testcase for PR2463Anton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53157 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-05Override weak stuff during linking of aliases. This fixes PR2463.Anton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53156 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-05Testcase for PR2146Anton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53155 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-05Properly link alias and function decls. This fixes PR2146Anton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53154 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-0580colNick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53153 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-05Fix missed optimization opportunity when analyzing cast of mul and select.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53151 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-05Fixed generating incorrect aligned stores that I backout of r53031Mon P Wang
that fixed problems in EmitStackConvert where the source and target type have different alignment by creating a stack slot with the max alignment of source and target type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53150 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-05Several changes to Mips backend, experimental fp support being the mostBruno Cardoso Lopes
important. - Cleanup in the Subtarget info with addition of new features, not all support yet, but they allow the future inclusion of features easier. Among new features, we have : Arch family info (mips1, mips2, ...), ABI info (o32, eabi), 64-bit integer and float registers, allegrex vector FPU (VFPU), single float only support. - TargetMachine now detects allegrex core. - Added allegrex (Mips32r2) sext_inreg instructions. - *Added Float Point Instructions*, handling single float only, and aliased accesses for 32-bit FPUs. - Some cleanup in FP instruction formats and FP register classes. - Calling conventions improved to support mips 32-bit EABI. - Added Asm Printer support for fp cond codes. - Added support for sret copy to a return register. - EABI support added into LowerCALL and FORMAL_ARGS. - MipsFunctionInfo now keeps a virtual register per function to track the sret on function entry until function ret. - MipsInstrInfo FP support into methods (isMoveInstr, isLoadFromStackSlot, ...), FP cond codes mapping and initial FP Branch Analysis. - Two new Mips SDNode to handle fp branch and compare instructions : FPBrcond, FPCmp - MipsTargetLowering : handling different FP classes, Allegrex support, sret return copy, no homing location within EABI, non 32-bit stack objects arguments, and asm constraint for float. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53146 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-04Rather than having a different custom legalizationDuncan Sands
hook for each way in which a result type can be legalized (promotion, expansion, softening etc), just use one: ReplaceNodeResults, which returns a node with exactly the same result types as the node passed to it, but presumably with a bunch of custom code behind the scenes. No change if the new LegalizeTypes infrastructure is not turned on. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53137 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-04Linux also does not require exception handlingDuncan Sands
moves in order to get correct debug info. Since I can't imagine how any target could possibly be any different, I've just stripped out the option: now all the world's like Darwin! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53134 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-03Don't return std::vector by value, but pass it in by reference to be filled.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53123 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-03Revert my previous check-in that split up MachineModuleInfo. It turns out toBill Wendling
slow the compiler down at -O0 some 30% or more. Ooops. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53120 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-03Provide a hook to set the code generation debug options to investigate lto ↵Devang Patel
failures. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53119 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-03Backed out 53031.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53110 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-03Back out 53091 for now.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53109 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-03Use information already present in the ValueTable to fast-fail when we know ↵Owen Anderson
there won't be a value number match. This speeds up GVN on a case where there are very few redundancies by ~25%. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53108 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-03Do not try to update dominator info while manipulating CFG. This code does ↵Devang Patel
not handle all cases and keeps invalid dom info around some cases, which misleads other passes down stream. Right now, dom info is recaluclated in the end if the loop is switched. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53106 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-03Remove the ability for ADCE to remove unreachable blocks in loop nests, ↵Owen Anderson
because, as Eli pointed out, SimplifyCFG already does this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53104 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-03- Remove calls to copyKillDeadInfo which is an N^2 function. Instead, ↵Evan Cheng
propagate kill / dead markers as new instructions are constructed in foldMemoryOperand, convertToThressAddress, etc. - Also remove LiveVariables::instructionChanged, etc. Replace all calls with cheaper calls which update VarInfo kill list. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53097 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-03isel load folding is disabled at -fast. Now hoist the check up to the top ↵Evan Cheng
level to save some time. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53096 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-03Add newline at the end of Constants.cpp.Matthijs Kooijman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53092 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-03llvm-gcc sometimes marks external declarations hidden, because intializers areAnton Korobeynikov
processed separately. Honour such situation and emit PIC relocations properly in such case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53091 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-03Remove unused function.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53090 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-03Preserve dom info.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53089 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-03Keep track of inherited analysis (e.g. dominator tree).Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53088 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-03Remove extra FIXMEDevang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53087 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-03Reconstruct dom info, if loop is unswitched.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53086 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-03LoopUnswitch does not preserve dominator info in all cases.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53085 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-03Reapply r52988, "Simplify addRegisterKilled and addRegisterDead." TheDan Gohman
254.gap failure was not due to this mod. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53068 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-03Use operator new instead of new char[].Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53067 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-03Use operator new instead of new char[].Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53066 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-03Avoid unnecessarily copying APInt objects.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53065 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-03Correct a comment.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53064 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-03Use std::replace instead of std::find and push_back.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53063 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-03Undo previous patch. It is not that simple to fix dom info here.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53062 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-03- Add LiveVariables::replaceKillInstruction. This does a subset of ↵Evan Cheng
instructionChanged. That is, it only update the VarInfo.kills if the new instruction is known to have the correct dead and kill markers. - CommuteInstruction copies kill / dead markers over to new instruction. So use replaceKillInstruction instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53061 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-03commuteInstruction should preserve dead markers.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53060 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-02Make LiveVariables even more optional, by making it optional in the call to ↵Owen Anderson
TargetInstrInfo::convertToThreeAddressInstruction Also, if LV isn't around, then TwoAddr doesn't need to be updating flags, since they won't have been set in the first place. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53058 91177308-0d34-0410-b5e6-96231b3b80d8
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