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2011-10-27Remove the Alpha backend.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143164 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-18Sink getDwarfRegNum, getLLVMRegNum, getSEHRegNum from TargetRegisterInfo downEvan Cheng
to MCRegisterInfo. Also initialize the mapping at construction time. This patch eliminate TargetRegisterInfo from TargetAsmInfo. It's another step towards fixing the layering violation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135424 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-27Merge XXXGenRegisterDesc.inc XXXGenRegisterNames.inc XXXGenRegisterInfo.h.incEvan Cheng
into XXXGenRegisterInfo.inc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133922 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-30Use the dwarf->llvm mapping to print register names in the cfiRafael Espindola
directives. Fixes PR9826. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132317 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-18Move hasFP() and few related hooks to TargetFrameInfo.Anton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119740 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-15First step of huge frame-related refactoring: move emit{Prologue,Epilogue} ↵Anton Korobeynikov
out of TargetRegisterInfo to TargetFrameInfo, which is definitely much better suitable place git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119097 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-26Simplify eliminateFrameIndex() interface back down now that PEI doesn't needJim Grosbach
to try to re-use scavenged frame index reference registers. rdar://8277890 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112241 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-02cleanupRafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105322 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-09Change the Value argument to eliminateFrameIndex to a type-tagged value. ThisJim Grosbach
is preparatory to having PEI's scavenged frame index value reuse logic properly distinguish types of frame values (e.g., whether the value is stack-pointer relative or frame-pointer relative). No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98086 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-12Make the MachineFunction argument of getFrameRegister const.David Greene
This also fixes a build error. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87027 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-07Add register-reuse to frame-index register scavenging. When a target usesJim Grosbach
a virtual register to eliminate a frame index, it can return that register and the constant stored there to PEI to track. When scavenging to allocate for those registers, PEI then tracks the last-used register and value, and if it is still available and matches the value for the next index, reuses the existing value rather and removes the re-materialization instructions. Fancier tracking and adjustment of scavenger allocations to keep more values live for longer is possible, but not yet implemented and would likely be better done via a different, less special-purpose, approach to the problem. eliminateFrameIndex() is modified so the target implementations can return the registers they wish to be tracked for reuse. ARM Thumb1 implements and utilizes the new mechanism. All other targets are simply modified to adjust for the changed eliminateFrameIndex() prototype. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83467 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-26Committed the wrong version in my last commit.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74235 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-26Privatize a static variable.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74234 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-31Move reMaterialize() from TargetRegisterInfo to TargetInstrInfo.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48995 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-10Rename MRegisterInfo to TargetRegisterInfo.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46930 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-07Move even more functionality from MRegisterInfo into TargetInstrInfo.Owen Anderson
Some day I'll get it all moved over... git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45672 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-01Move some more instruction creation methods from RegisterInfo into InstrInfo.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45484 91177308-0d34-0410-b5e6-96231b3b80d8
2007-12-29Remove attribution from file headers, per discussion on llvmdev.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45418 91177308-0d34-0410-b5e6-96231b3b80d8
2007-12-05Add a argument to storeRegToStackSlot and storeRegToAddr to specify whetherEvan Cheng
the stored register is killed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44600 91177308-0d34-0410-b5e6-96231b3b80d8
2007-12-02Remove redundant foldMemoryOperand variants and other code clean up.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44517 91177308-0d34-0410-b5e6-96231b3b80d8
2007-12-01Allow some reloads to be folded in multi-use cases. Specifically testl r, r ↵Evan Cheng
-> cmpl [mem], 0. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44479 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-13Add parameter to getDwarfRegNum to permit targetsDale Johannesen
to use different mappings for EH and debug info; no functional change yet. Fix warning in X86CodeEmitter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44056 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-11Use TableGen to emit information for dwarf register numbers. Anton Korobeynikov
This makes DwarfRegNum to accept list of numbers instead. Added three different "flavours", but only slightly tested on x86-32/linux. Please check another subtargets if possible, git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43997 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-18- Added getOpcodeAfterMemoryUnfold(). It doesn't unfold an instruction, but ↵Evan Cheng
only returns the opcode of the instruction post unfolding. - Fix some copy+paste bugs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43153 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-18Use SmallVectorImpl instead of SmallVector with hardcoded size in MRegister ↵Evan Cheng
public interface. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43150 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-05- Added a few target hooks to generate load / store instructions from / to anyEvan Cheng
address (not just from / to frameindexes). - Added target hooks to unfold load / store instructions / SDNodes into separate load, data processing, store instructions / SDNodes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42621 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-26Allow copyRegToReg to emit cross register classes copies.Evan Cheng
Tested with "make check"! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42346 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-30Add a variant of foldMemoryOperand to fold any load / store, not just load / ↵Evan Cheng
store from / to stack slots. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41597 91177308-0d34-0410-b5e6-96231b3b80d8
2007-07-14Long live the exception handling!Anton Korobeynikov
This patch fills the last necessary bits to enable exceptions handling in LLVM. Currently only on x86-32/linux. In fact, this patch adds necessary intrinsics (and their lowering) which represent really weird target-specific gcc builtins used inside unwinder. After corresponding llvm-gcc patch will land (easy) exceptions should be more or less workable. However, exceptions handling support should not be thought as 'finished': I expect many small and not so small glitches everywhere. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@39855 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-01eliminateFrameIndex() change.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36626 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-20Added MRegisterInfo hook to re-materialize an instruction.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35205 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28PEI now passes a RegScavenger ptr to eliminateFrameIndex.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34707 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-21Support to provide exception and selector registers.Jim Laskey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34482 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-19Re-apply my liveintervalanalysis changes. Now with PR1207 fixes.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34428 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-19For PR1207:Reid Spencer
Revert patches that caused the problem. Evan, please investigate and reapply when you've discovered the problem. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34399 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-17Added getReservedRegs().Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34376 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-23hasFP() is now a virtual method of MRegisterInfo.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33455 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-02Fix naming inconsistency.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32823 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-27Change MachineInstr ctor's to take a TargetInstrDescriptor reference insteadEvan Cheng
of opcode and number of operands. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31947 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-13Matches MachineInstr changes.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31712 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-18getCalleeSaveRegs and getCalleeSaveRegClasses are no long TableGen'd.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28378 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-07Foundation for call frame information.Jim Laskey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27491 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-28Expose base register for DwarfWriter. Refactor code accordingly.Jim Laskey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27225 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-23Add support to locate local variables in frames (early version.)Jim Laskey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26994 91177308-0d34-0410-b5e6-96231b3b80d8
2006-02-02Move isLoadFrom/StoreToStackSlot from MRegisterInfo to TargetInstrInfo,a far ↵Chris Lattner
more logical place. Other methods should also be moved if anyoneis interested. :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25913 91177308-0d34-0410-b5e6-96231b3b80d8
2005-11-09whatever. Intermediate patch to see what breaks. Seems ok.Andrew Lenharth
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24260 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-09This seems useful from the original patch that added the function. If there ↵Andrew Lenharth
is a reason it is not useful on a RISC type target, let me know and I will pull it out git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23676 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-30Pass extra regclasses into spilling codeChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23537 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-19This code has always been dead for alphaChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22915 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-21Remove trailing whitespaceMisha Brukman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21424 91177308-0d34-0410-b5e6-96231b3b80d8
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