Dan Gohman
7de5440570
Add support for emitting .file directives to set up file numbers for
...
use with .loc directives.
llvm-svn: 42275
2007-09-24 21:32:18 +00:00
Dan Gohman
d005faa65d
Add a routine for emitting .file directives, for setting up
...
file numbers to use with .loc directives.
llvm-svn: 42272
2007-09-24 20:58:13 +00:00
Dan Gohman
dd675a5064
Use the correct result value type instead of using getValueType(0)
...
in ExpandEXTRACT_VECTOR_ELT and SplitVectorOp. This fixes an abort
in the included testcase.
llvm-svn: 42264
2007-09-24 15:54:53 +00:00
Chris Lattner
0fc154af3d
When emitting .set directives, make sure the EH and Debug labels can't conflict.
...
llvm-svn: 42257
2007-09-24 03:35:37 +00:00
Chris Lattner
12ed5081b8
initialize isstore/isload fields in ctor, fixing PR1695
...
llvm-svn: 42222
2007-09-22 07:02:12 +00:00
Dale Johannesen
c7279629cc
Change APFloat::convertFromInteger to take the incoming
...
bit width instead of number of words allocated, which
makes it actually work for int->APF conversions.
Adjust callers. Add const to one of the APInt constructors
to prevent surprising match when called with const
argument.
llvm-svn: 42210
2007-09-21 22:09:37 +00:00
Chris Lattner
e82eb89d0f
don't read Block after it is freed. This fixes PR1684
...
llvm-svn: 42204
2007-09-21 18:25:53 +00:00
Chris Lattner
eed3e42816
initialize SetCCResultContents, fixing PR1693
...
llvm-svn: 42193
2007-09-21 17:06:39 +00:00
Dale Johannesen
04682bdc81
More long double fixes. x86_64 should build now.
...
llvm-svn: 42155
2007-09-19 23:55:34 +00:00
Dale Johannesen
9e04c2d5af
Fix longdouble -> uint conversion.
...
llvm-svn: 42143
2007-09-19 17:53:26 +00:00
Evan Cheng
4a117958df
Use struct SDep instead of std::pair for SUnit pred and succ lists. First step
...
in tracking physical register output dependencies.
llvm-svn: 42125
2007-09-19 01:38:40 +00:00
Evan Cheng
2716b97b13
Fix a bogus splat xform:
...
shuffle <undef, undef, x, undef>, <undef, undef, undef, undef>, <2, 2, 2, 2>
!=
<undef, undef, x, undef>
llvm-svn: 42111
2007-09-18 21:54:37 +00:00
Dale Johannesen
83b2001d42
Prevent crash on long double.
...
llvm-svn: 42103
2007-09-18 18:36:59 +00:00
Bill Wendling
bfd2f2f6d7
Don't pass back a reference to a temporary.
...
llvm-svn: 42086
2007-09-18 09:10:16 +00:00
Bill Wendling
537b869514
The exception handling function info should be reset for each new
...
function. The information isn't used heavily -- it's only used at the end
of exception handling emission -- so there's no need to cache it.
llvm-svn: 42078
2007-09-18 05:03:44 +00:00
Bill Wendling
803e0d9970
Objective-C was generating EH frame info like this:
...
"_-[NSString(local) isNullOrNil]".eh = 0
.no_dead_strip "_-[NSString(local) isNullOrNil]".eh
The ".eh" should be inside the quotes.
llvm-svn: 42074
2007-09-18 01:47:22 +00:00
Devang Patel
547d418b8e
Do not hide APInt::dump() inside #ifndef NDEBUG.
...
llvm-svn: 42068
2007-09-17 22:24:00 +00:00
Devang Patel
c7cfb7ebfc
This is not ideal but unbreaks build failure.
...
APInt::dump() is inside #ifndef NDEBUG, however SelectionDAG dump() routines are not.
llvm-svn: 42047
2007-09-17 20:03:03 +00:00
Chris Lattner
cc315726f7
Merge DenseMapKeyInfo & DenseMapValueInfo into DenseMapInfo
...
Add a new DenseMapInfo::isEqual method to allow clients to redefine
the equality predicate used when probing the hash table.
llvm-svn: 42042
2007-09-17 18:34:04 +00:00
Dale Johannesen
78628a9108
Adjust per revew comments.
...
llvm-svn: 42002
2007-09-16 16:51:49 +00:00
Dale Johannesen
575bd6070a
Remove the assumption that FP's are either float or
...
double from some of the many places in the optimizers
it appears, and do something reasonable with x86
long double.
Make APInt::dump() public, remove newline, use it to
dump ConstantSDNode's.
Allow APFloats in FoldingSet.
Expand X86 backend handling of long doubles (conversions
to/from int, mostly).
llvm-svn: 41967
2007-09-14 22:26:36 +00:00
Dan Gohman
fb60c0dfed
Remove isReg, isImm, and isMBB, and change all their users to use
...
isRegister, isImmediate, and isMachineBasicBlock, which are equivalent,
and more popular.
llvm-svn: 41958
2007-09-14 20:33:02 +00:00
Dan Gohman
53119779c2
Remove spurious consts. This fixes warnings with compilers that
...
are strict about such things.
llvm-svn: 41956
2007-09-14 20:08:19 +00:00
Chris Lattner
f672250ee0
Fix build problems on Cygwin (PR1652), patch by Patrick Walton.
...
llvm-svn: 41923
2007-09-13 06:09:48 +00:00
Evan Cheng
7adc0f3eff
Bug fixes.
...
llvm-svn: 41900
2007-09-13 00:06:00 +00:00
Evan Cheng
d9d3176de3
Remove dead code.
...
llvm-svn: 41899
2007-09-12 23:45:46 +00:00
Evan Cheng
e88f30877d
Yet another getTargetNode variant.
...
llvm-svn: 41898
2007-09-12 23:39:49 +00:00
Evan Cheng
0d738fff6d
Fixed a typo that's causing a missing kill marker.
...
llvm-svn: 41893
2007-09-12 23:02:04 +00:00
Dale Johannesen
4784ee3431
Revise previous patch per review comments.
...
Next round of x87 long double stuff.
Getting close now, basically works.
llvm-svn: 41875
2007-09-12 03:30:33 +00:00
Evan Cheng
b9a6798216
Sometimes a MI can define a register as well as defining a super-register at the
...
same time. Do not mark the "smaller" def as dead.
llvm-svn: 41871
2007-09-11 22:34:47 +00:00
Dale Johannesen
7bc3969cea
Add APInt interfaces to APFloat (allows directly
...
access to bits). Use them in place of float and
double interfaces where appropriate.
First bits of x86 long double constants handling
(untested, probably does not work).
llvm-svn: 41858
2007-09-11 18:32:33 +00:00
Bill Wendling
74888e63e7
Add a bool to indicate if we should set the "indirect encoding" bit in the Dwarf
...
information for EH.
llvm-svn: 41852
2007-09-11 17:20:55 +00:00
Duncan Sands
c358890f73
Fold the adjust_trampoline intrinsic into
...
init_trampoline. There is now only one
trampoline intrinsic.
llvm-svn: 41841
2007-09-11 14:10:23 +00:00
Bill Wendling
3c6a8b2814
The personality function on Darwin needs a global stub. We then refer to
...
that global stub instead of doing the ".set" thingy we were doing before.
llvm-svn: 41838
2007-09-11 08:27:17 +00:00
Evan Cheng
8501592984
Observation of rematerialization.
...
llvm-svn: 41809
2007-09-10 22:11:18 +00:00
Chris Lattner
2add65570c
Emit:
...
cmpl %eax, %ecx
setae %al
movzbl %al, %eax
instead of:
cmpl %eax, %ecx
setb %al
xorb $1, %al
movzbl %al, %eax
when using logical not of a C comparison.
llvm-svn: 41807
2007-09-10 21:39:07 +00:00
Chris Lattner
ca656d2007
1. Don't call Value::getName(), which is slow.
...
2. Lower calls to fabs and friends to FABS nodes etc unless the function has
internal linkage. Before we wouldn't lower if it had a definition, which
is incorrect. This allows us to compile:
define double @fabs(double %f) {
%tmp2 = tail call double @fabs( double %f )
ret double %tmp2
}
into:
_fabs:
fabs f1, f1
blr
llvm-svn: 41805
2007-09-10 21:15:22 +00:00
Dale Johannesen
9dfdc452d9
Implement misaligned FP loads and stores.
...
llvm-svn: 41786
2007-09-08 19:29:23 +00:00
Rafael Espindola
8c57e70f93
Add support for having different alignment for objects on call frames.
...
The x86-64 ABI states that objects passed on the stack have
8 byte alignment. Implement that.
llvm-svn: 41768
2007-09-07 14:52:14 +00:00
Anton Korobeynikov
899c0c9c8d
Split eh.select / eh.typeid.for intrinsics into i32/i64 versions. This is needed, because they just "mark" register
...
liveins and we let frontend solve type issue, not lowering code :)
llvm-svn: 41763
2007-09-07 11:39:35 +00:00
Owen Anderson
4b71e55287
Add lengthof and endof templates that hide a lot of sizeof computations.
...
Patch by Sterling Stein!
llvm-svn: 41758
2007-09-07 04:06:50 +00:00
David Greene
04a132ad5f
Constify to catch bugs.
...
llvm-svn: 41751
2007-09-06 19:46:46 +00:00
Dale Johannesen
86f367a6b7
Next round of APFloat changes.
...
Use APFloat in UpgradeParser and AsmParser.
Change all references to ConstantFP to use the
APFloat interface rather than double. Remove
the ConstantFP double interfaces.
Use APFloat functions for constant folding arithmetic
and comparisons.
(There are still way too many places APFloat is
just a wrapper around host float/double, but we're
getting there.)
llvm-svn: 41747
2007-09-06 18:13:44 +00:00
Anton Korobeynikov
0e3789f07a
Proper handle case, when aliasee is external weak symbol referenced only by alias itself.
...
Also, fix a case, when target doesn't have weak symbols supported.
llvm-svn: 41746
2007-09-06 17:21:48 +00:00
David Greene
6df3ab79be
Add instruction dump output. This helps find bugs.
...
llvm-svn: 41744
2007-09-06 16:36:39 +00:00
David Greene
2ca4b270db
Pluggable coalescers inplementation.
...
llvm-svn: 41743
2007-09-06 16:18:45 +00:00
Evan Cheng
15c07fb194
Fix a memory leak.
...
llvm-svn: 41739
2007-09-06 01:07:24 +00:00
Evan Cheng
3bda699975
Use pool allocator for all the VNInfo's to improve memory access locality. This reduces coalescing time on siod Mac OS X PPC by 35%. Also remove the back ptr from VNInfo to LiveInterval and other tweaks.
...
llvm-svn: 41729
2007-09-05 21:46:51 +00:00
Duncan Sands
aefef49052
Due to label merging, the last label for an invoke
...
may be the same as the first label for the following
invoke. Remove a micro-optimization which was wrong
in this case.
llvm-svn: 41720
2007-09-05 14:12:46 +00:00
Duncan Sands
ab8eb598be
Fix PR1628. When exception handling is turned on,
...
labels are generated bracketing each call (not just
invokes). This is used to generate entries in
the exception table required by the C++ personality.
However it gets in the way of tail-merging. This
patch solves the problem by no longer placing labels
around ordinary calls. Instead we generate entries
in the exception table that cover every instruction
in the function that wasn't covered by an invoke
range (the range given by the labels around the invoke).
As an optimization, such entries are only generated for
parts of the function that contain a call, since for
the moment those are the only instructions that can
throw an exception [1]. As a happy consequence, we
now get a smaller exception table, since the same
region can cover many calls. While there, I also
implemented folding of invoke ranges - successive
ranges are merged when safe to do so. Finally, if
a selector contains only a cleanup, there's a special
shorthand for it - place a 0 in the call-site entry.
I implemented this while there. As a result, the
exception table output (excluding filters) is now
optimal - it cannot be made smaller [2]. The
problem with throw filters is that folding them
optimally is hard, and the benefit of folding them is
minimal.
[1] I tested that having trapping instructions (eg
divide by zero) in such a region doesn't cause trouble.
[2] It could be made smaller with the help of higher
layers, eg by having branch folding reorder basic blocks
ending in invokes with the same landing pad so they
follow each other. I don't know if this is worth doing.
llvm-svn: 41718
2007-09-05 11:27:52 +00:00
Evan Cheng
bb21883dd3
Fix for PR1632. EHSELECTION always produces a i32 value.
...
llvm-svn: 41712
2007-09-04 20:39:26 +00:00
Anton Korobeynikov
5b49f44609
Silence warning while compiling with gcc 4.2
...
llvm-svn: 41676
2007-09-02 22:11:14 +00:00
Anton Korobeynikov
32567436f8
Emit proper "secrel" directive, where possible. This fixes invalid asm syntax of debug info on mingw32. Also, cleanup
...
some stuff.
llvm-svn: 41675
2007-09-02 22:07:21 +00:00
Evan Cheng
25c46702da
More tweaks to improve compile time.
...
llvm-svn: 41669
2007-09-01 02:03:17 +00:00
Dale Johannesen
b34e6b4898
Add mod, copysign, abs operations to APFloat.
...
Implement some constant folding in SelectionDAG and
DAGCombiner using APFloat. Remove double versions
of constructor and getValue from ConstantFPSDNode.
llvm-svn: 41664
2007-08-31 23:34:27 +00:00
Evan Cheng
e0f2c65756
std::map -> DenseMap for slight compile time benefit.
...
llvm-svn: 41650
2007-08-31 21:23:06 +00:00
Dale Johannesen
a79f7d4068
Revise per review of previous patch.
...
llvm-svn: 41645
2007-08-31 17:03:33 +00:00
Evan Cheng
3157d0991b
Remove an unnecessary element, saving 4 bytes per LiveInterval.
...
llvm-svn: 41641
2007-08-31 08:26:44 +00:00
Evan Cheng
a561a94058
Use std::map instead of a (potentially very sparse) array to track val# defined by copy from the other live range. Minor compile time win when number of val# is large.
...
llvm-svn: 41640
2007-08-31 08:04:17 +00:00
Dale Johannesen
81d6ecb886
Enhance APFloat to retain bits of NaNs (fixes oggenc).
...
Use APFloat interfaces for more references, mostly
of ConstantFPSDNode.
llvm-svn: 41632
2007-08-31 04:03:46 +00:00
Evan Cheng
e8c80ad7cd
Try fold re-materialized load instructions into its uses.
...
llvm-svn: 41598
2007-08-30 05:53:02 +00:00
Dale Johannesen
e91a908971
Change LegalFPImmediates to use APFloat.
...
Add APFloat interfaces to ConstantFP, SelectionDAG.
Fix integer bit in double->APFloat conversion.
Convert LegalizeDAG to use APFloat interface in
ConstantFPSDNode uses.
llvm-svn: 41587
2007-08-30 00:23:21 +00:00
Anton Korobeynikov
5845c41e4d
Fix use of declaration inside case block
...
llvm-svn: 41584
2007-08-29 23:18:48 +00:00
Evan Cheng
5a5046b83f
Change LiveRange so it keeps a pointer to the VNInfo rather than an index.
...
Changes related modules so VNInfo's are not copied. This decrease
copy coalescing time by 45% and overall compilation time by 10% on siod.
llvm-svn: 41579
2007-08-29 20:45:00 +00:00
Anton Korobeynikov
a3531f71ca
Lower FRAME_TO_ADDR_OFFSET to zero by default (if not custom lowered)
...
llvm-svn: 41578
2007-08-29 19:28:29 +00:00
Dan Gohman
cbb2ee9062
Add an option, -view-sunit-dags, for viewing the actual SUnit DAGs used by
...
scheduling.
llvm-svn: 41556
2007-08-28 20:32:58 +00:00
Evan Cheng
1f3724ee2d
Recover most of the compile time regression due to recent live interval changes.
...
1. Eliminate the costly live interval "swapping".
2. Change ValueNumberInfo container from SmallVector to std::vector. The former
performs slowly when the vector size is very large.
llvm-svn: 41536
2007-08-28 08:28:51 +00:00
Dan Gohman
123b8effaa
Make DAGCombiner's global alias analysis query more precise in the case
...
where both pointers have non-zero offsets.
llvm-svn: 41491
2007-08-27 16:32:11 +00:00
Dan Gohman
2e7e251f24
If the source and destination pointers in an llvm.memmove are known
...
to not alias each other, it can be translated as an llvm.memcpy.
llvm-svn: 41489
2007-08-27 16:26:13 +00:00
Duncan Sands
883740b39f
There is an impedance matching problem between LLVM and
...
gcc exception handling: if an exception unwinds through
an invoke, then execution must branch to the invoke's
unwind target. We previously tried to enforce this by
appending a cleanup action to every selector, however
this does not always work correctly due to an optimization
in the C++ unwinding runtime: if only cleanups would be
run while unwinding an exception, then the program just
terminates without actually executing the cleanups, as
invoke semantics would require. I was hoping this
wouldn't be a problem, but in fact it turns out to be the
cause of all the remaining failures in the LLVM testsuite
(these also fail with -enable-correct-eh-support, so turning
on -enable-eh didn't make things worse!). Instead we need
to append a full-blown catch-all to the end of each
selector. The correct way of doing this depends on the
personality function, i.e. it is language dependent, so
can only be done by gcc. Thus this patch which generalizes
the eh.selector intrinsic so that it can handle all possible
kinds of action table entries (before it didn't accomodate
cleanups): now 0 indicates a cleanup, and filters have to be
specified using the number of type infos plus one rather than
the number of type infos. Related gcc patches will cause
Ada to pass a cleanup (0) to force the selector to always
fire, while C++ will use a C++ catch-all (null).
llvm-svn: 41484
2007-08-27 15:47:50 +00:00
Dan Gohman
e2c92effea
Add explicit keywords and remove spurious trailing semicolons.
...
llvm-svn: 41482
2007-08-27 14:50:10 +00:00
Dale Johannesen
2ceade197b
Revise per review comments.
...
llvm-svn: 41409
2007-08-26 01:18:27 +00:00
Dale Johannesen
b52093236e
Add APFloat interface to ConstantFPSDNode. Change
...
over uses in DAGCombiner. Fix interfaces to work
with APFloats.
llvm-svn: 41407
2007-08-25 22:10:57 +00:00
Chris Lattner
093144e147
Allow target constants to be illegal types. The target should
...
know how to handle them. This fixes
test/CodeGen/Generic/asm-large-immediate.ll
llvm-svn: 41388
2007-08-25 01:00:22 +00:00
Chris Lattner
666f15ac0a
Teach the dag scheduler to handle inline asm nodes with multi-value immediate operands.
...
llvm-svn: 41386
2007-08-25 00:53:07 +00:00
Bill Wendling
da2e7749bb
The personality function might need to be declared as:
...
.set Lset0,___gxx_personality_v0-.
.long Lset0
on some targets. Make it so!
llvm-svn: 41385
2007-08-25 00:51:55 +00:00
Chris Lattner
1e089aac3a
rename isOperandValidForConstraint to LowerAsmOperandForConstraint,
...
changing the interface to allow for future changes.
llvm-svn: 41384
2007-08-25 00:47:38 +00:00
Dale Johannesen
9ec1e28e79
Poison APFloat::operator==. Replace existing uses with bitwiseIsEqual.
...
This means backing out the preceding change to Constants.cpp, alas.
llvm-svn: 41378
2007-08-24 22:09:56 +00:00
Dale Johannesen
5c0b0ec1d6
Use APFloat internally for ConstantFPSDNode.
...
llvm-svn: 41372
2007-08-24 20:59:15 +00:00
Anton Korobeynikov
9451c871c5
Perform correct codegen for eh_dwarf_cfa intrinsic.
...
llvm-svn: 41316
2007-08-23 07:21:06 +00:00
Andrew Lenharth
3902197dc3
move this check. ppc outputs .no_dead_strip properly
...
llvm-svn: 41286
2007-08-22 19:33:11 +00:00
Dan Gohman
23db01efea
Minor cleanups to reduce some spurious differences between different
...
scheduler implementations.
llvm-svn: 41191
2007-08-20 19:28:38 +00:00
Rafael Espindola
68d95ff2b1
Partial implementation of calling functions with byval arguments:
...
*) The needed information is propagated to the DAG
*) The X86-64 backend detects it and aborts
llvm-svn: 41179
2007-08-20 15:18:24 +00:00
Evan Cheng
a65c956119
Fold C ? 0 : 1 to ~C or zext(~C) or trunc(~C) depending the types.
...
llvm-svn: 41163
2007-08-18 05:57:05 +00:00
Evan Cheng
930acafa5b
Avoid issue on 64-bit hosts.
...
llvm-svn: 41143
2007-08-17 18:02:22 +00:00
David Greene
1d1b7f793d
Fix GLIBCXX_DEBUG error of comparing two singular iterators
...
llvm-svn: 41139
2007-08-17 15:13:55 +00:00
Evan Cheng
11fa8d0f62
If dynamic_stackalloc alignment is > stack alignment, first issue an instruction to align the stack ptr before the decrement.
...
llvm-svn: 41133
2007-08-16 23:50:06 +00:00
Evan Cheng
9a05381a81
- If a dynamic_stackalloc alignment requirement is <= stack alignment, then the alignment argument is ignored.
...
- *Always* round up the size of the allocation to multiples of stack
alignment to ensure the stack ptr is never left in an invalid state after a dynamic_stackalloc.
llvm-svn: 41132
2007-08-16 23:46:29 +00:00
Evan Cheng
ee277f940b
Fix some kill info update bugs; add hidden option -disable-rematerialization to turn off remat for debugging.
...
llvm-svn: 41118
2007-08-16 07:24:22 +00:00
Lauro Ramos Venancio
9f9e5b3971
Implement FPOWI ExpandOp.
...
Fix PR1287.
llvm-svn: 41112
2007-08-15 22:13:27 +00:00
Evan Cheng
f758fa5c35
If the source of a move is in spill slot, the reload may be folded to essentially a load from stack slot. It's ok to mark the stack slot value as available for reuse. But it should not be clobbered since the destination of the move is live.
...
llvm-svn: 41109
2007-08-15 20:20:34 +00:00
Evan Cheng
70879e8dae
- If a def is dead, do not spill it.
...
- If the defs of a spilled rematerializable MI are dead after the spill store is deleted, delete
the def MI as well.
llvm-svn: 41086
2007-08-14 23:25:37 +00:00
Evan Cheng
f901915207
Fix for PR1596: AdjustCopiesBackFrom() should conservatively check if any of its sub-registers may overlap with the interval of the copy that's being coalesced.
...
llvm-svn: 41084
2007-08-14 23:19:28 +00:00
Evan Cheng
0fbe2a0ec4
If a MI's def is remat as well as spilled, and the store is later deemed dead, mark the def operand as isDead.
...
llvm-svn: 41083
2007-08-14 20:23:13 +00:00
Evan Cheng
de24ad8897
If a spilled value is being reused and the use is a kill, that means there are
...
no more uses within the MBB and the spilled value isn't live out of the MBB.
Then it's safe to delete the spill store.
llvm-svn: 41069
2007-08-14 09:11:18 +00:00
Evan Cheng
886c1fe427
If a rematerializable def is not deleted, i.e. it is also spilled, check if the
...
spilled value is available for reuse.
llvm-svn: 41067
2007-08-14 05:42:54 +00:00
Evan Cheng
5b64e19e06
Kill info update bugs.
...
llvm-svn: 41064
2007-08-14 01:56:58 +00:00
Evan Cheng
215f802b75
Re-implement trivial rematerialization. This allows def MIs whose live intervals that are coalesced to be rematerialized.
...
llvm-svn: 41060
2007-08-13 23:45:17 +00:00
Evan Cheng
54b799dc76
Kill info update bugs.
...
llvm-svn: 41043
2007-08-13 07:12:23 +00:00
Evan Cheng
3b211635e8
No need to remove dead range from soon-to-be-dead live interval. Its val# may be out of whack.
...
llvm-svn: 41024
2007-08-12 01:26:19 +00:00
Evan Cheng
8968affb6d
Code to maintain kill information during register coalescing.
...
llvm-svn: 41016
2007-08-11 00:59:19 +00:00
Christopher Lamb
e0c9bd8d2e
Move isSubRegOf into MRegisterInfo. Fix a missed move elimination in LowerSubregs and add more debugging output there.
...
llvm-svn: 41005
2007-08-10 21:11:55 +00:00
Dan Gohman
f18e94535f
Fix EXTRACT_ELEMENT, EXTRACT_SUBVECTOR, and EXTRACT_VECTOR_ELT to
...
use an intptr ValueType instead of i32 for the index operand in
getCopyToParts.
llvm-svn: 40987
2007-08-10 14:59:38 +00:00
Rafael Espindola
b20b9e985a
propagate struct size and alignment of byval arguments to the DAG
...
llvm-svn: 40986
2007-08-10 14:44:42 +00:00
Chris Lattner
202e7f84e9
unbreak the build
...
llvm-svn: 40976
2007-08-09 23:55:17 +00:00
Evan Cheng
0293fe7483
Bug fix. ~1U marks the val# dead.
...
llvm-svn: 40975
2007-08-09 23:14:39 +00:00
Dale Johannesen
a1340d5916
Update per review comments.
...
llvm-svn: 40965
2007-08-09 17:27:48 +00:00
Dale Johannesen
79551baaad
long double 9 of N. This finishes up the X86-32 bits
...
(constants are still not handled). Adds ConvertActions
to control fp-to-fp conversions (these are currently
defaulted for all other targets, so no changes there).
llvm-svn: 40958
2007-08-09 01:04:01 +00:00
Scott Michel
86052f49c0
If a target really needs to custom lower constants, it should be allowed
...
to do so.
llvm-svn: 40955
2007-08-08 23:23:31 +00:00
Evan Cheng
5227e36428
Adding kill info to val#.
...
llvm-svn: 40925
2007-08-08 07:03:29 +00:00
Evan Cheng
02e7fbd7c8
Clean up and bug fix.
...
llvm-svn: 40921
2007-08-08 05:56:18 +00:00
Evan Cheng
12d72cc1a0
- Each val# can have multiple kills.
...
- Fix some minor bugs related to special markers on val# def. ~0U means
undefined, ~1U means dead val#.
llvm-svn: 40916
2007-08-08 03:00:28 +00:00
Evan Cheng
b4135e3825
Remove a dead assertion.
...
llvm-svn: 40914
2007-08-08 01:00:21 +00:00
Evan Cheng
0182b495fd
- LiveInterval value#'s now have 3 components: def instruction #,
...
kill instruction #, and source register number (iff the value# is defined by a
copy).
- Now def instruction # is set for every value#, not just for copy defined ones.
- Update some outdated code related inactive live ranges.
- Kill info not yet set. That's next patch.
llvm-svn: 40913
2007-08-07 23:49:57 +00:00
David Greene
f0a40d3dc2
Add a missing forward declaration.
...
llvm-svn: 40896
2007-08-07 16:34:05 +00:00
Chris Lattner
a374edf4a6
Fix a regression compiling 2005-05-11-Popcount-ffs-fls with the CBE,
...
introduced by chandler's patch.
llvm-svn: 40864
2007-08-06 16:36:18 +00:00
Christopher Lamb
8875f43912
Implement review feedback. No functionality change.
...
llvm-svn: 40863
2007-08-06 16:33:56 +00:00
Reid Spencer
3e54e72ef1
Fix minor doxygen nits.
...
llvm-svn: 40854
2007-08-05 20:06:04 +00:00
Chris Lattner
bc90e7255f
shorten this name
...
llvm-svn: 40843
2007-08-05 18:45:33 +00:00
Chandler Carruth
00e56b0e81
This is the patch to provide clean intrinsic function overloading support in LLVM. It cleans up the intrinsic definitions and generally smooths the process for more complicated intrinsic writing. It will be used by the upcoming atomic intrinsics as well as vector and float intrinsics in the future.
...
This also changes the syntax for llvm.bswap, llvm.part.set, llvm.part.select, and llvm.ct* intrinsics. They are automatically upgraded by both the LLVM ASM reader and the bitcode reader. The test cases have been updated, with special tests added to ensure the automatic upgrading is supported.
llvm-svn: 40807
2007-08-04 01:51:18 +00:00
Dan Gohman
352de5aeb9
More explicit keywords.
...
llvm-svn: 40757
2007-08-02 21:21:54 +00:00
Chris Lattner
9319dfc93a
don't redefine a parameter
...
llvm-svn: 40748
2007-08-02 18:08:16 +00:00
Evan Cheng
a06b9cf09f
Do not emit copies for physical register output if it's not used.
...
llvm-svn: 40722
2007-08-02 05:29:38 +00:00
Scott Michel
199544367f
Style police: Expand the tabs to spaces!
...
llvm-svn: 40712
2007-08-02 02:22:46 +00:00
Evan Cheng
14bd520741
Instead of adding copyfromreg's to handle physical definitions. Now isel can
...
simply specify them as results and let scheduledag handle them. That
is, instead of
SDOperand Flag = DAG.getTargetNode(Opc, MVT::i32, MVT::Flag, ...)
SDOperand Result = DAG.getCopyFromReg(Chain, X86::EAX, MVT::i32, Flag)
Just write:
SDOperand Result = DAG.getTargetNode(Opc, MVT::i32, MVT::i32, ...)
And let scheduledag emit the move from X86::EAX to a virtual register.
llvm-svn: 40710
2007-08-02 00:28:15 +00:00
Evan Cheng
d6d66f0cf4
Bugs: missing partial uses and redundant partial defs.
...
llvm-svn: 40688
2007-08-01 20:18:21 +00:00
Lauro Ramos Venancio
1ef30713de
Expand unaligned loads/stores when the target doesn't support them. (PR1548)
...
llvm-svn: 40682
2007-08-01 19:34:21 +00:00
David Greene
f06a395bb9
New CallInst interface to address GLIBCXX_DEBUG errors caused by
...
indexing an empty std::vector.
Updates to all clients.
llvm-svn: 40660
2007-08-01 03:43:44 +00:00
Evan Cheng
8889a56947
simpleregistercoalescing -> regcoalescing. It's too long for me to handle.
...
llvm-svn: 40654
2007-07-31 22:37:44 +00:00
Scott Michel
c65b4c8eeb
- Allow custom lowering for CTPOP, CTTZ, CTLZ.
...
- Fixed an existing unexpanded tab.
llvm-svn: 40605
2007-07-30 21:00:31 +00:00
Dan Gohman
375d541183
Fix a bug in getCopyFromParts turned up in the testcase for PR1132.
...
llvm-svn: 40598
2007-07-30 19:09:17 +00:00
Dan Gohman
555f611994
Print a space between the comment character and the basic block name,
...
for prettiness.
llvm-svn: 40593
2007-07-30 15:06:25 +00:00
Duncan Sands
e8bb2c6d32
Support for trampolines, except for X86 codegen which is
...
still under discussion.
llvm-svn: 40549
2007-07-27 12:58:54 +00:00
Christopher Lamb
55a1e36013
Move subreg lowering pass to be right after regalloc, per feedback.
...
llvm-svn: 40548
2007-07-27 07:36:14 +00:00
Dan Gohman
249090568d
Fix the alias analysis query in DAGCombiner to not add in two
...
offsets. The SrcValueOffset values are the real offsets from the
SrcValue base pointers.
llvm-svn: 40534
2007-07-26 16:14:06 +00:00
Christopher Lamb
258dab5389
Add a MachineFunction pass, which runs post register allocation, that turns subreg insert/extract instruction into register copies. This ensures correct code gen if the coalescer isn't able to remove all subreg instructions.
...
llvm-svn: 40521
2007-07-26 08:18:32 +00:00
Christopher Lamb
08bcd5c0f8
Teach DAG scheduling how to properly emit subreg insert/extract machine instructions. PR1350
...
llvm-svn: 40520
2007-07-26 08:12:07 +00:00
Christopher Lamb
73c3cd47cc
Add selection DAG nodes for subreg insert/extract. PR1350
...
llvm-svn: 40516
2007-07-26 07:34:40 +00:00
Christopher Lamb
cb63a77a51
Remove subreg index from MachineInstr's and also keep vregs as unsigned when adding operands.
...
llvm-svn: 40514
2007-07-26 07:00:46 +00:00
Christopher Lamb
b178ecbbc0
Fix infinite recursion for when extract_vector_elt is legal. Unfortunately no public targets use this code-path, so no test.
...
llvm-svn: 40510
2007-07-26 03:33:13 +00:00
Evan Cheng
4b747bb6a0
EmitAlignment() also emits optional fill value.
...
llvm-svn: 40500
2007-07-25 23:35:07 +00:00
Anton Korobeynikov
e0344393bb
Minor cleanup:
...
- Split EH and debug infiormation
- Make DwarfWriter more verbose in some cases
llvm-svn: 40481
2007-07-25 00:06:28 +00:00
Dan Gohman
1444c5840b
Add const to CanBeFoldedBy, CheckAndMask, and CheckOrMask.
...
llvm-svn: 40480
2007-07-24 23:00:27 +00:00
Dan Gohman
54b8032d64
Fix some uses of dyn_cast to be uses of cast.
...
llvm-svn: 40443
2007-07-23 20:24:29 +00:00
Dan Gohman
ac8ccab48f
Don't assume that only Uses can be kills. Defs are marked as kills initially
...
when there are no uses. This fixes a dangling-pointer bug, where pointers to
deleted instructions were not removed from kills lists. More info here:
http://lists.cs.uiuc.edu/pipermail/llvmdev/2007-July/009749.html
llvm-svn: 40131
2007-07-20 23:17:34 +00:00
Evan Cheng
cdb4e7949f
Added -print-emitted-asm to print out JIT generated asm to cerr.
...
llvm-svn: 40123
2007-07-20 21:56:13 +00:00
Duncan Sands
840594467f
As pointed out by g++-4.2, the original code didn't do
...
what it thought it was doing.
llvm-svn: 40044
2007-07-19 07:31:58 +00:00
Evan Cheng
5dd17373c5
Add comment.
...
llvm-svn: 40022
2007-07-18 23:34:48 +00:00
Dan Gohman
4c140b7128
It's not necessary to do rounding for alloca operations when the requested
...
alignment is equal to the stack alignment.
llvm-svn: 40004
2007-07-18 16:29:46 +00:00
Evan Cheng
6ad7064bdf
Dead code.
...
llvm-svn: 39979
2007-07-17 20:01:19 +00:00
Dan Gohman
0ba554c0c8
Fix comments about vectors to use the current wording.
...
llvm-svn: 39921
2007-07-16 14:29:03 +00:00
Nick Lewycky
05e4170839
Fix the build. Patch from Holger Schurig.
...
llvm-svn: 39856
2007-07-14 15:11:14 +00:00
Anton Korobeynikov
5635277c36
Long live the exception handling!
...
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.
llvm-svn: 39855
2007-07-14 14:06:15 +00:00
Dan Gohman
44771cf8e8
Fix the comment for LegalizeOp to more accurately reflect what it does.
...
llvm-svn: 39827
2007-07-13 20:14:11 +00:00
Dan Gohman
1f4580ceb4
Don't call SimplifyVBinOp for non-vector operations, following earlier review
...
feedback. This theoretically makes the common (scalar) case more efficient.
llvm-svn: 39823
2007-07-13 20:03:40 +00:00
Dale Johannesen
1a9d304c35
Modify previous patch per review comments.
...
llvm-svn: 39817
2007-07-13 17:31:29 +00:00
Dale Johannesen
469ed8e17e
Skeleton of post-RA scheduler; doesn't do anything yet.
...
Change name of -sched option and DEBUG_TYPE to
pre-RA-sched; adjust testcases.
llvm-svn: 39816
2007-07-13 17:13:54 +00:00
Duncan Sands
b2a18dc10b
The type ids making up a filter are unsigned, and
...
should be output as unsigned values. Checked against
gcc.
llvm-svn: 39775
2007-07-12 13:51:39 +00:00
Evan Cheng
c7216b3a86
Missed a couple of places where new instructions are added due to spill / restore.
...
llvm-svn: 39748
2007-07-11 19:17:18 +00:00
Duncan Sands
bfbe683782
Exception handling has been implemented.
...
llvm-svn: 39732
2007-07-11 16:59:20 +00:00
Duncan Sands
aa83dc9037
If assertions are not enabled, we should return False here.
...
llvm-svn: 38535
2007-07-11 08:47:55 +00:00
Evan Cheng
2791a7ea6d
No longer need to track last def / use.
...
llvm-svn: 38534
2007-07-11 08:47:44 +00:00
Evan Cheng
c42a2e03f1
Fix for PR1545: Revamp code that update kill information due to register reuse.
...
llvm-svn: 38525
2007-07-11 05:28:39 +00:00
David Greene
8d77dcca00
Make this work with GLIBCXX_DEBUG.
...
llvm-svn: 38516
2007-07-10 22:00:30 +00:00
Dan Gohman
629311ca52
Change the peep for EXTRACT_VECTOR_ELT of BUILD_PAIR to look for
...
the new CONCAT_VECTORS node type instead, as that's what legalize
uses now. And add a peep for EXTRACT_VECTOR_ELT of INSERT_VECTOR_ELT.
llvm-svn: 38503
2007-07-10 18:20:44 +00:00
Evan Cheng
d80c2821af
If the operand is marked M_OPTIONAL_DEF_OPERAND, then it's a def.
...
llvm-svn: 38496
2007-07-10 17:52:20 +00:00
Evan Cheng
87e735c4be
Somehow this wasn't committed last time. M_CLOBBERS_PRED is gone.
...
llvm-svn: 38495
2007-07-10 17:50:43 +00:00
Dan Gohman
bd0ff28e1c
Fix a bug in the folding of binary operators to undef.
...
Thanks to Lauro for spotting this!
llvm-svn: 38491
2007-07-10 15:19:29 +00:00
Dan Gohman
6b21e11f1c
Fix the folding of undef in several binary operators to recognize
...
undef in either the left or right operand.
llvm-svn: 38489
2007-07-10 14:20:37 +00:00
Evan Cheng
cf3b1c89a9
When a node value is only used by a CopyToReg, use the user's dest. This should not be restricted to nodes that produce only a single value.
...
llvm-svn: 38485
2007-07-10 07:08:32 +00:00
Evan Cheng
23dc96f640
Move DenseMapKeyInfo<SDOperand> from LegalizeDAG.cpp to SelectionDAGNodes.h
...
llvm-svn: 38484
2007-07-10 06:59:55 +00:00
Dan Gohman
150487b166
Preserve volatililty and alignment information when lowering or
...
simplifying loads and stores.
llvm-svn: 38473
2007-07-09 22:18:38 +00:00
Dan Gohman
81cfdc2f19
Change getCopyToParts and getCopyFromParts to always use target-endian
...
register ordering, for both physical and virtual registers. Update the PPC
target lowering for calls to expect registers for the call result to
already be in target order.
llvm-svn: 38471
2007-07-09 20:59:04 +00:00
Dan Gohman
be352027e6
Initialize the IndexedModeActions array with memset before
...
updating it with calls to setIndexedLoadAction/setIndexedStoreAction,
which only update a few bits at a time. This avoids ostensible
undefined behavior of operationg on values which may be
trap-representations, and as a practical matter fixes errors from
valgrind, which doesn't track uninitialized memory with bit
granularity.
llvm-svn: 38468
2007-07-09 20:49:44 +00:00
Chris Lattner
aff9a84b7a
Fix this warning:
...
DAGCombiner.cpp: In member function 'llvm::SDOperand<unnamed>::DAGCombiner::visitOR(llvm::SDNode*)':
DAGCombiner.cpp:1608: warning: passing negative value '-0x00000000000000001' for argument 1 to 'llvm::SDOperand llvm::SelectionDAG::getConstant(uint64_t, llvm::MVT::ValueType, bool)'
oiy.
llvm-svn: 38458
2007-07-09 16:16:34 +00:00
Gabor Greif
89919e17b4
fix typos
...
llvm-svn: 38453
2007-07-09 12:00:59 +00:00
Evan Cheng
4c7b04f24d
Teach if-conversion about instructions that were already predicated, e.g. conditional move.
...
llvm-svn: 37964
2007-07-06 23:24:39 +00:00
Duncan Sands
f926a3080c
The exception handling intrinsics return values,
...
so must be lowered to a value, not nothing at all.
Subtle point: I made eh_selector return 0 and
eh_typeid_for return 1. This means that only
cleanups (destructors) will be run as the exception
unwinds [if eh_typeid_for returned 0 then it would
be as if the first catch always matched, and the
corresponding handler would be run], which is
probably want you want in the CBE.
llvm-svn: 37947
2007-07-06 14:46:23 +00:00
Duncan Sands
404336eb55
Indexes into the list of filter ids cannot be output
...
directly: they need to be turned into byte offsets
(often the same, but may not be if there are many
type infos).
llvm-svn: 37942
2007-07-06 12:46:24 +00:00
Rafael Espindola
7b3de98989
Add the byval attribute
...
llvm-svn: 37940
2007-07-06 10:57:03 +00:00
Duncan Sands
7e50c11edd
Remove propagateEHRegister in favour of a more limited
...
fix, that is adequate while PR1508 remains unresolved.
llvm-svn: 37938
2007-07-06 09:18:59 +00:00
Duncan Sands
e7650d2b1e
Remove ExtractGlobalVariable - use StripPointerCasts
...
instead.
llvm-svn: 37937
2007-07-06 09:10:03 +00:00
Evan Cheng
bae19254f0
Workaround of getCopyToRegs and getCopyFromRegs bugs for big-endian machines.
...
llvm-svn: 37935
2007-07-06 01:47:35 +00:00
Evan Cheng
22957164aa
Change CalculateHeights and CalculateDepths to be non-recursive.
...
llvm-svn: 37934
2007-07-06 01:37:28 +00:00
Dan Gohman
cd6f6a0a58
Make the debug string for ISD::MERGE_VALUES consistent with the others.
...
llvm-svn: 37922
2007-07-05 20:15:43 +00:00
Dan Gohman
90c6b87b31
Add a parameter to getCopyToParts and getCopyFromParts to specify whether
...
endian swapping should be done, and update the code to use it. This fixes
some register ordering issues on big-endian systems, such as PowerPC,
introduced by the recent illegal by-val arguments changes.
llvm-svn: 37921
2007-07-05 20:12:34 +00:00
Gabor Greif
5f705671e4
Here is the bulk of the sanitizing.
...
Almost all occurrences of "bytecode" in the sources have been eliminated.
llvm-svn: 37913
2007-07-05 17:07:56 +00:00
Duncan Sands
eca2fa295b
Make sure only one copy of a filter is placed in the
...
exception handling table if we encounter it multiple
times. Filters could be folded harder than this, but
that would mean a lot more work for not much gain.
llvm-svn: 37908
2007-07-05 15:15:01 +00:00
Evan Cheng
0c037f4ee0
Better assertion messages.
...
llvm-svn: 37890
2007-07-05 07:05:38 +00:00
Duncan Sands
4441eff1ac
Extend eh.selector to support both catches and filters.
...
Drop the eh.filter intrinsic.
llvm-svn: 37875
2007-07-04 20:52:51 +00:00
Dan Gohman
d2d18267e6
Fix several over-aggressive folds for undef nodes in dagcombine, to
...
follow the rules for undef used in instcombine.
llvm-svn: 37851
2007-07-03 14:03:57 +00:00
Dale Johannesen
7af19491d3
Fix for PR 1505 (and 1489). Rewrite X87 register
...
model to include f32 variants. Some factoring
improvments forthcoming.
llvm-svn: 37847
2007-07-03 00:53:03 +00:00
Dan Gohman
68f0cbccfb
Replace ExpandScalarFormalArgs and ExpandScalarCallArgs with the newly
...
refactored getCopyFromParts and getCopyToParts, which are more general.
This effectively adds support for lowering illegal by-val vector call
arguments.
llvm-svn: 37843
2007-07-02 16:18:06 +00:00
Dan Gohman
5fe8266d04
Teach GetNegatedExpression to negate 0-B to B in UnsafeFPMath mode, and
...
visitFSUB to fold 0-B to -B in UnsafeFPMath mode. Also change visitFNEG
to use isNegatibleForFree/GetNegatedExpression instead of doing a subset
of the same thing manually.
This fixes test/CodeGen/X86/negative-sin.ll.
llvm-svn: 37842
2007-07-02 15:48:56 +00:00
Evan Cheng
a1a06d1763
Only do FNEG xform when the vector type is a floating point type.
...
llvm-svn: 37818
2007-06-29 21:44:35 +00:00
David Greene
75e58e2207
Remove unused variables.
...
llvm-svn: 37816
2007-06-29 21:42:03 +00:00
Evan Cheng
a6add260b3
Fix a vector FP constant CSE bug.
...
llvm-svn: 37814
2007-06-29 21:36:04 +00:00
David Greene
0942edd414
Remove unnecessary attributions in comments.
...
llvm-svn: 37799
2007-06-29 03:42:23 +00:00
David Greene
df6a87ea1c
Fix reference to cached end iterator invalidated by an erase operation.
...
Uncovered by _GLIBCXX_DEBUG.
llvm-svn: 37795
2007-06-29 02:49:11 +00:00
David Greene
244fb44f6b
Remove the "special tie breaker" because it resulted in inconsistent
...
ordering and thus violated the strict weak ordering requirement of
priority_queue. Uncovered by _GLIBCXX_DEBUG.
llvm-svn: 37794
2007-06-29 02:48:09 +00:00