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2009-05-05Delete a FIXME which is no longer relevant, and add a FIXME that is.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71033 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-05Quotes should be printed before private prefix; some code clean up.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71032 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-05Add dump method to DIDescriptor.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71028 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-05Add an explicit keyword.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71022 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-05If a MachineBasicBlock has multiple ways of reaching another block,Dan Gohman
allow it to have multiple CFG edges to that block. This is needed to allow MachineBasicBlock::isOnlyReachableByFallthrough to work correctly. This fixes PR4126. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71018 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-05Forgot this in the last commit.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71014 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-05Temporarily reverting r71008. It was causing this failure:Bill Wendling
Running /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/test/ CodeGen/X86/dg.exp ... FAIL: /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/test/ CodeGen/X86/change-compare-stride-1.ll Failed with exit(1) at line 2 while running: grep {cmpq $-478,} change-compare-stride-1.ll.tmp child process exited abnormally git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71013 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-05Add some more documentation for x86 special address spaces.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71012 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-05Enable stack coloring with regs at -O3.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71010 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-05Handle overflow of 64-bit loop conditions.David Greene
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71008 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-05Add basic support for code generation of Chris Lattner
addrspace(257) -> FS relative on x86. Patch by Zoltan Varga! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70992 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-05bugpoint for jit should just ignore GCC arguments.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70988 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-05Revert part of 70929 that has to do with determining whether a SIB byte is ↵Evan Cheng
needed. It causes a lot of x86_64 JIT failures. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70986 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-05Allow multiclass def names to contain "#NAME"" where TableGen replacesDavid Greene
#NAME# with the name of the defm instantiating the multiclass. This is useful for AVX instruction naming where a "V" prefix is standard throughout the ISA. For example: multiclass SSE_AVX_Inst<...> { def SS : Instr<...>; def SD : Instr<...>; def PS : Instr<...>; def PD : Instr<...>; def V#NAME#SS : Instr<...>; def V#NAME#SD : Instr<...>; def V#NAME#PS : Instr<...>; def V#NAME#PD : Instr<...>; } defm ADD : SSE_AVX_Inst<...>; Results in ADDSS ADDSD ADDPS ADDPD VADDSS VADDSD VADDPS VADDPD git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70979 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-05Fix incorrect code generation with ENV.Mikhail Glushenkov
See PR4157 for details. Patch by Martin Nowack! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70973 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-05Do not require variable debug info nodes to have a compile unit.Chris Lattner
For implicit decls like "self" and "_cmd" in ObjC, these decls should not have a location. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70964 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-05Do not substitute if the new register isn't in the register class of the ↵Evan Cheng
operand being updated. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70953 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-05Move getInstrOperandRegClass from the scheduler to TargetInstrInfo.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70950 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-04Do forward and backward substitution to eliminate loads and stores when ↵Evan Cheng
possible. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70937 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-04Default llc / lli optimization to "Default", which corresponds to -O1 / -O2.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70934 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-04- Avoid the longer SIB encoding on x86_64 when it's not needed.Evan Cheng
- Synchronize instruction length computation code in X86InstrInfo with code in X86CodeEmitter.cpp Patch by Zoltan Varga. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70929 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-04Re-apply 70645, converting ScalarEvolution to useDan Gohman
CallbackVH, with fixes. allUsesReplacedWith need to walk the def-use chains and invalidate all users of a value that is replaced. SCEVs of users need to be recalcualted even if the new value is equivalent. Also, make forgetLoopPHIs walk def-use chains, since any SCEV that depends on a PHI should be recalculated when more information about that PHI becomes available. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70927 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-04Fix an 80-column violation.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70925 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-04Fix doxygen comment syntax.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70924 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-04Make DBG_STOPPOINT nodes, and therefore DBG_LABEL labels, get a DebugLoc, so ↵Chris Lattner
that it shows up in -print-machineinstrs. This doesn't appear to affect anything, but it was weird for some DBG_LABELs to have DebugLocs but not all of them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70921 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-04Constify a bunch of SCEV-using code.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70919 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-04X86FastISel doesn't support the -tailcallopt ABI.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70902 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-04Restore a comment.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70900 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-04Fix code emission for conditional branches.Anton Korobeynikov
Patch by Collin Winter! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70898 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-04Restore minor deletion.Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70892 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-03Typo.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70792 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-03Remove obsolete wording, the only exception a readnone function can throwChris Lattner
is the empty set. :) Thanks to Fritz for pointing this out. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70790 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-03be very explicit that readnone/readonly functions can'tChris Lattner
throw exceptions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70788 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-03In some rare cases, the register allocator can spill registers but end up ↵Evan Cheng
not utilizing registers at all. The fundamental problem is linearscan's backtracking can end up freeing more than one allocated registers. However, reloads and restores might be folded into uses / defs and freed registers might not be used at all. VirtRegMap keeps track of allocations so it knows what's not used. As a horrible hack, the stack coloring can color spill slots with *free* registers. That is, it replace reload and spills with copies from and to the free register. It unfold instructions that load and store the spill slot and replace them with register using variants. Not yet enabled. This is part 1. More coming. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70787 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-03Handle implicit zext in a better way. Shamelessly stolen from x86 backend.Anton Korobeynikov
Thanks for Dan Gohman for suggestion! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70782 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-03RegenerateAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70772 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-03Fix typoAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70770 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-03Update due to mainline API changeAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70769 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-03Add TODO list :)Anton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70768 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-03Make handling of conditional stuff much more straightforwardAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70767 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-03Temporary disable imm patterns for cmp. Actually, all cmp-related stuff ↵Anton Korobeynikov
(select_cc, setcc, br_cc). needs to be rethought git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70766 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-03Expand divisions into libcallsAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70765 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-03Properly handle sdiv / udiv / srem / urem libcallsAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70764 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-03Custom lower SIGN_EXTENDAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70763 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-03Some eye-candyAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70762 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-03Print function header / footerAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70761 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-03Fix printing: je => jeqAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70760 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-03Add 8bit shiftsAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70759 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-03Handle logical shift right (at least I hope so :) )Anton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70758 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-03Handle anyextAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70757 91177308-0d34-0410-b5e6-96231b3b80d8
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