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11048 Commits

Author SHA1 Message Date
Daniel Dunbar
2be2fd0730 MCAssembler: Switch MCAsmFixup to storing MCFixupKind instead of just a size. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96094 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 09:28:54 +00:00
Daniel Dunbar
0bcf074867 MCAssembler: Sink fixup list into MCDataFragment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96093 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 09:28:43 +00:00
Daniel Dunbar
a4766d7af9 MCAssembler: Switch MCFillFragment to only taking constant values. Symbolic expressions can always be emitted as data + fixups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96092 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 09:28:32 +00:00
Daniel Dunbar
3a30b827a5 MCAssembler: Start applying fixups in the data section. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96090 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 09:28:15 +00:00
Daniel Dunbar
b7c3a4b195 MCAssembler: Add assorted dump() methods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96089 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 09:28:03 +00:00
Evan Cheng
7545f49a5e Teach MachineFrameInfo to track maximum alignment while stack objects are being 
created. This ensures it's updated at all time. It means targets which perform
dynamic stack alignment would know whether it is required and whether frame
pointer register cannot be made available register allocation.
This is a fix for rdar://7625239. Sorry, I can't create a reasonably sized test
case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96069 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 01:56:41 +00:00
Dan Gohman
39125d8ef9 Override dominates and properlyDominates for SCEVAddRecExpr, as a 
SCEVAddRecExpr doesn't necessarily dominate blocks merely dominated
by all of its operands. This fixes an abort compiling 403.gcc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96056 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 00:19:39 +00:00
Chris Lattner
86020e4628 give MCCodeEmitters access to the current MCContext. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96038 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-12 23:12:47 +00:00
Bob Wilson
252968a76f Fix a comment typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96027 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-12 22:34:54 +00:00
Chris Lattner
42cefa1ea3 doxygenize some comments, patch by Peter Collingbourne! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96018 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-12 21:54:28 +00:00
Chris Lattner
fdfeb6976f Add support for a union type in LLVM IR. Patch by Talin! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96011 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-12 20:49:41 +00:00
Anton Korobeynikov
4dd162f394 Cleanup stdcall / fastcall name mangling. 
This should fix alot of problems we saw so far, e.g. PRs 5851 & 2936

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95980 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-12 15:28:40 +00:00
Dan Gohman
572645cf84 Reapply the new LoopStrengthReduction code, with compile time and 
bug fixes, and with improved heuristics for analyzing foreign-loop
addrecs.

This change also flattens IVUsers, eliminating the stride-oriented
groupings, which makes it easier to work with.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95975 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-12 10:34:29 +00:00
Bob Wilson
fe61fb1e10 Add a new pass on machine instructions to optimize away PHI cycles that 
reduce down to a single value.  InstCombine already does this transformation
but DAG legalization may introduce new opportunities.  This has turned out to
be important for ARM where 64-bit values are split up during type legalization:
InstCombine is not able to remove the PHI cycles on the 64-bit values but
the separate 32-bit values can be optimized.  I measured the compile time 
impact of this (running llc on 176.gcc) and it was not significant.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95951 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-12 01:30:21 +00:00
Charles Davis
1e063d14df Add a new function attribute, 'alignstack'. It will indicate (when the backends 
implement support for it) that the stack should be forcibly realigned in the
prologue (and the process reversed in the epilogue).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95945 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-12 00:31:15 +00:00
Chris Lattner
7e85180d15 add a new MCInstPrinter::getOpcodeName interface, when it is 
implemented, llvm-mc --show-inst now uses it to print the
instruction opcode as well as the number.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95929 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-11 22:39:10 +00:00
Daniel Dunbar
cb7d743b42 MC: Move assembler-backend's fixup list into the fragment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95926 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-11 21:29:46 +00:00
Daniel Dunbar
27ade18431 MC: Move MCSectionData::Fixup out to MCAsmFixup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95925 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-11 21:29:29 +00:00
Chris Lattner
8d31de6268 make getFixupKindInfo return a const reference, allowing 
the tables to be const.  Teach MCCodeEmitter to handle
the target-indep kinds so that we don't crash on them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95924 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-11 21:27:18 +00:00
Chris Lattner
b917c47c98 refactor x86 conditional branches to use a multipattern 
that generates the 1-byte and 4-byte immediate versions
from one definition.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95902 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-11 19:31:22 +00:00
Jeffrey Yasskin
9233b15d01 Fix some of the memcheck errors found in the JIT unittests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95856 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-11 06:41:30 +00:00
Mon P Wang
f7ea6c3ee8 The previous fix of widening divides that trap was too fragile as it depends on custom 
lowering and requires that certain types exist in ValueTypes.h.  Modified widening to
check if an op can trap and if so, the widening algorithm will apply only the op on
the defined elements.  It is safer to do this in widening because the optimizer can't
guarantee removing unused ops in some cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95823 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 23:37:45 +00:00
Dale Johannesen
9a722caa26 Allow isDebug inquiry on any MO. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95818 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 23:03:20 +00:00
Chris Lattner
e3e7a369f2 add a virtual dtor to MCTargetExpr, hopefully silencing some warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95810 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 21:37:31 +00:00
Dan Gohman
7a5666e7f3 Add a hook to AssemblyAnnotationWriter to allow custom info comments 
to be printed, in place of the familiar "uses=" comments.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95798 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 20:41:46 +00:00
Dan Gohman
7c1dfb9df2 Use doxygen comment syntax. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95797 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 20:23:33 +00:00
Dan Gohman
f3b11aa6a7 Fix several comments which had previously been "the the" where a 
different word was intended.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95795 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 20:04:19 +00:00
Dan Gohman
f451cb870e Fix "the the" and similar typos. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95781 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 16:03:48 +00:00
Dan Gohman
c056baed87 Minor code simplification. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95780 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 15:54:22 +00:00
Dan Gohman
e7962c9897 Implement operators |=, &=, and ^= for SmallBitVector, and remove the 
restriction in BitVector for |= and ^= that the operand must be the
same length.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95768 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 05:54:04 +00:00
Daniel Dunbar
5d5a1e13a1 MC: Switch MCFixup to just hold an MCExpr pointer instead of index into the 
MCInst it came from.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95767 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 04:47:08 +00:00
Daniel Dunbar
4c6e18aefe Fix a signed comparison warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95766 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 04:46:51 +00:00
Chris Lattner
37145b6e4c "fixup" a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95754 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 01:46:47 +00:00
Daniel Dunbar
5532cf44a0 llvm-mc: Remove --show-fixups and always show as part of --show-encoding. 
Also, fix a silly memory leak.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95752 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 01:41:14 +00:00
Chris Lattner
45282aedb9 fix a layering violation: VirtRegRewriter.cpp shouldn't use AsmPrinter.h. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95748 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 01:23:18 +00:00
Chris Lattner
a655f088b8 Stop MachineInstr.h from #including AsmPrinter.h 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95741 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 01:04:16 +00:00
Chris Lattner
47529c9ac6 Move verbose asm instruction comments to using MCStreamer. 
The major win of this is that the code is simpler and they 
print on the same line as the instruction again:

        movl    %eax, 96(%esp)          ## 4-byte Spill
        movl    96(%esp), %eax          ## 4-byte Reload
        cmpl    92(%esp), %eax          ## 4-byte Folded Reload
        jl      LBB7_86



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95738 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 00:47:53 +00:00
Dale Johannesen
3b1906f48d more comment updates 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95736 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 00:44:23 +00:00
Dale Johannesen
9653f9ec97 Add isDebug argument to ChangeToRegister; this prevents 
the field from being used uninitialized later in some cases.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95735 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 00:41:49 +00:00
Chris Lattner
5d672cfab0 Add ability for MCInstPrinters to add comments for instructions. 
Enhance the x86 backend to show the hex values of immediates in
comments when they are large.  For example:

        movl    $1072693248, 4(%esp)    ## imm = 0x3FF00000



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95728 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 00:10:18 +00:00
Daniel Dunbar
6b71653c82 llvm-mc: Add --show-fixups option, for displaying the instruction fixup information in the asm comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95710 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-09 23:00:14 +00:00
Daniel Dunbar
73c557458c MC: First cut at MCFixup, for getting fixup/relocation information out of an MCCodeEmitter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95708 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-09 22:59:55 +00:00
Chris Lattner
518bb53485 move target-independent opcodes out of TargetInstrInfo 
into TargetOpcodes.h.  #include the new TargetOpcodes.h
into MachineInstr.  Add new inline accessors (like isPHI())
to MachineInstr, and start using them throughout the 
codebase.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95687 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-09 19:54:29 +00:00
Jeffrey Yasskin
5e24737d16 Add support for TypeBuilder<const/volatile void*, false>. 
Thanks to Jochen Wilhelmy for the suggestion!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95677 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-09 19:07:19 +00:00
Eric Christopher
d2592ff69b Pull these back out, they're a little too aggressive and time 
consuming for a simple optimization.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95671 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-09 17:29:18 +00:00
Dan Gohman
b14bc1f6f8 Mention IndVarSimplify in the comment by getSmallConstantTripCount, as 
is done for getTripCount.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95666 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-09 17:00:40 +00:00
Dan Gohman
c77ccaea14 Mention vAny and iPTRAny in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95665 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-09 16:59:14 +00:00
Dale Johannesen
38007ca86a Debug operands should not be def or kill. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95632 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-09 00:42:08 +00:00
Lang Hames
e0710472c8 Changed the definition of an "invalid" slot to include the empty & tombstone values, but not zero. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95631 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-09 00:41:23 +00:00
Chris Lattner
8a872d0215 stop using reserved identifiers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95630 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-09 00:40:07 +00:00