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28333 Commits

Author SHA1 Message Date
Bill Wendling
2c1d7726f2 Just turn aggressive stack coloring off at -O3. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71140 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-07 01:33:38 +00:00
Bill Wendling
d0c1f9c932 Temporarily revert r71010. It was causing massive failures during self-hosting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71138 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-07 01:27:25 +00:00
Argyrios Kyrtzidis
116b27444a Make DwarfWriter::RecordInlinedFnStart more like the other DwarfWriter's methods: 
-Have it return a label ID
-Remove the unused Instruction parameter

No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71132 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-07 00:16:31 +00:00
Dan Gohman
0a8eb57c3d Use stable_sort instead of plain sort to avoid the risk of generating 
trivially different code on different hosts (due to differing
std::sort implementations).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71124 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-06 22:54:33 +00:00
Bill Wendling
3f500d9358 - Move some debug fields to coincide with how GCC emits them. No functionality 
change.
- Reformatting.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71118 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-06 21:21:34 +00:00
Oscar Fuentes
d5e8d821dd CMake: Updated lib/Target/PIC16/CMakeLists.txt. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71115 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-06 20:40:05 +00:00
Dale Johannesen
43e91b9c2f Use X86AddrNumOperands instead of magic constant one 
more place.  This fixes a bunch of x86-64 JIT regressions.
(Introduced when the value of the magic constant changed
in 68645.  At the time apparently nobody noticed; failures
were hidden in 70343-70439 by an unrelated bug, so showed
up again as "new" failures in 70440.)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71106 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-06 19:04:30 +00:00
Evan Cheng
caab129cd1 Do not use register as base ptr of pre- and post- inc/dec load / store nodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71098 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-06 18:25:01 +00:00
Evan Cheng
ee08da8956 Unbreak the build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71091 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-06 18:00:56 +00:00
David Greene
e19c840d6c Make sure to use signed arithmetic in APInt to fix a regression. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71090 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-06 17:39:26 +00:00
Dan Gohman
e9d87f4906 Simplify code by using SmallVector's pop_back_val() instead of 
separate back() and pop_back() calls.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71089 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-06 17:22:41 +00:00
Oscar Fuentes
5dcf50bd03 CMake: Updated lib/CodeGen/CMakeLists.txt. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71085 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-06 14:56:40 +00:00
Duncan Sands
e149e9960b OCaml parameter attribute bindings from PR2752. 
Incomplete, but better than nothing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71081 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-06 12:21:17 +00:00
Duncan Sands
a9cad0e7e0 Add generic expansion of SUB when ADD and XOR 
are legal.  Based on a patch by Micah Villmow.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71078 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-06 11:29:50 +00:00
Duncan Sands
cfd0ebea27 Fix PR3754: don't mark functions that wrap MallocInst with 
the readnone.  Since MallocInst is scheduled for deletion
it doesn't seem worth doing anything more subtle, such as
having mayWriteToMemory return true for MallocInst.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71077 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-06 08:42:00 +00:00
Sanjiv Gupta
d8d27f4a4b Emit banksel and movlp instructions. 
Split large global data (both initialized and un-initialized) into multiple sections of <= 80 bytes.
Provide routines to manage PIC16 ABI naming conventions.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71073 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-06 08:02:01 +00:00
Duncan Sands
7af1c78b98 Allow readonly functions to unwind exceptions. Teach 
the optimizers about this.  For example, a readonly
function with no uses cannot be removed unless it is
also marked nounwind.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71071 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-06 06:49:50 +00:00
Lang Hames
87e3bcab73 Renamed Spiller classes (plus uses and related files) to VirtRegRewriter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71057 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-06 02:36:21 +00:00
Dan Gohman
ce174f8e15 Fix a copy+pasto in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71035 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-05 23:02:38 +00:00
Dan Gohman
4221ae84ef Delete a FIXME which is no longer relevant, and add a FIXME that is. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71033 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-05 22:59:55 +00:00
Evan Cheng
8f18edd8b6 Quotes should be printed before private prefix; some code clean up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71032 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-05 22:50:29 +00:00
Bill Wendling
16de013640 Add dump method to DIDescriptor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71028 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-05 22:19:25 +00:00
Dan Gohman
5412d06e9c If a MachineBasicBlock has multiple ways of reaching another block, 
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
 2009-05-05 21:10:19 +00:00
Bill Wendling
a48941087b Temporarily reverting r71008. It was causing this failure: 
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
 2009-05-05 20:49:46 +00:00
Evan Cheng
f9a9b51429 Enable stack coloring with regs at -O3. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71010 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-05 20:30:36 +00:00
David Greene
58deef5559 Handle overflow of 64-bit loop conditions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71008 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-05 20:22:36 +00:00
Chris Lattner
1777d0c6c5 Add basic support for code generation of 
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
 2009-05-05 18:52:19 +00:00
Evan Cheng
ef1840173c Revert part of 70929 that has to do with determining whether a SIB byte is 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
 2009-05-05 18:18:57 +00:00
Chris Lattner
e3f6cea9e9 Do not require variable debug info nodes to have a compile unit. 
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
 2009-05-05 04:55:56 +00:00
Evan Cheng
bef60d3804 Do not substitute if the new register isn't in the register class of the operand being updated. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70953 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-05 00:46:16 +00:00
Evan Cheng
d923fc621f Move getInstrOperandRegClass from the scheduler to TargetInstrInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70950 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-05 00:30:09 +00:00
Evan Cheng
c3806ea3bc Do forward and backward substitution to eliminate loads and stores when possible. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70937 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-04 23:13:13 +00:00
Evan Cheng
b0030ddca4 - Avoid the longer SIB encoding on x86_64 when it's not needed. 
- 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
 2009-05-04 22:49:16 +00:00
Dan Gohman
35738ac150 Re-apply 70645, converting ScalarEvolution to use 
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
 2009-05-04 22:30:44 +00:00
Dan Gohman
bf2176a000 Fix an 80-column violation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70925 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-04 22:23:18 +00:00
Dan Gohman
92fa56eb58 Fix doxygen comment syntax. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70924 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-04 22:20:30 +00:00
Chris Lattner
af29a5235d Make DBG_STOPPOINT nodes, and therefore DBG_LABEL labels, get a DebugLoc, so 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
 2009-05-04 22:10:05 +00:00
Dan Gohman
622ed671b9 Constify a bunch of SCEV-using code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70919 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-04 22:02:23 +00:00
Dan Gohman
7d04e4a7c0 X86FastISel doesn't support the -tailcallopt ABI. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70902 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-04 19:50:33 +00:00
Argyrios Kyrtzidis
28f1412c97 Restore a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70900 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-04 19:23:45 +00:00
Anton Korobeynikov
cffb5284f1 Fix code emission for conditional branches. 
Patch by Collin Winter!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70898 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-04 19:10:38 +00:00
Mike Stump
fe095f39e7 Restore minor deletion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70892 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-04 18:40:41 +00:00
Evan Cheng
04fa35ab13 Typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70792 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-03 19:10:11 +00:00
Evan Cheng
c781a243a3 In some rare cases, the register allocator can spill registers but end up 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
 2009-05-03 18:32:42 +00:00
Anton Korobeynikov
87e3caf819 Handle implicit zext in a better way. Shamelessly stolen from x86 backend. 
Thanks for Dan Gohman for suggestion!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70782 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-03 15:50:18 +00:00
Anton Korobeynikov
9fe9c8ec7d Fix typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70770 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-03 13:19:57 +00:00
Anton Korobeynikov
60871cb40c Update due to mainline API change 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70769 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-03 13:19:42 +00:00
Anton Korobeynikov
7594884648 Add TODO list :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70768 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-03 13:19:24 +00:00
Anton Korobeynikov
1bb8cd723d Make handling of conditional stuff much more straightforward 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70767 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-03 13:19:09 +00:00
Anton Korobeynikov
1fcfb6b6d2 Temporary disable imm patterns for cmp. Actually, all cmp-related stuff (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
 2009-05-03 13:18:50 +00:00