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Author SHA1 Message Date
Devang Patel
6bd9ebdef8 Enable debug info for composite types. 
llvm-svn: 62589
 2009-01-20 18:13:03 +00:00
Duncan Sands
7af474d2da Check that the "don't barf on k8" fix is not 
accidentally reverted again.

llvm-svn: 62587
 2009-01-20 18:08:39 +00:00
Evan Cheng
38bf18b556 Spacing 
llvm-svn: 62584
 2009-01-20 17:30:40 +00:00
Bill Wendling
5bd5863cdb Temporarily XFAIL until this can be looked at. r62557 is what caused it to start failing. 
llvm-svn: 62578
 2009-01-20 10:28:39 +00:00
Duncan Sands
7d2ea3c6de If a vector is empty, you're not allowed to access any 
elements, even if it is only to take the address.  Test:
break-anti-dependencies.ll with ENABLE_EXPENSIVE_CHECKS.

llvm-svn: 62576
 2009-01-20 09:05:19 +00:00
Evan Cheng
58488a481f Refactor code. No functionality change. 
llvm-svn: 62573
 2009-01-20 06:44:16 +00:00
Bill Wendling
68171bde8e Testcase for limited precision stuff. 
llvm-svn: 62572
 2009-01-20 06:23:59 +00:00
Bill Wendling
5685c90e04 Shift types need to match. 
llvm-svn: 62571
 2009-01-20 06:10:42 +00:00
Chris Lattner
6ade48fcaa another fix for PR3354 
llvm-svn: 62561
 2009-01-20 01:15:41 +00:00
Dan Gohman
7663e08915 Add a README entry noticed while investigating PR3216. 
llvm-svn: 62558
 2009-01-20 01:07:33 +00:00
Dan Gohman
ff4c4ab39f Fix a dagcombine to not generate loads of non-round integer types, 
as its comment says, even in the case where it will be generating
extending loads. This fixes PR3216.

llvm-svn: 62557
 2009-01-20 01:06:45 +00:00
Devang Patel
6a88f8849b Do not use DenseMap because the iterator is invalidated while constructing types. After all there was a reason why std::map was used initially! 
llvm-svn: 62555
 2009-01-20 00:58:55 +00:00
Nick Lewycky
cb83b52e4e Regenerate. 
BUILT WITH WRONG VERSION OF AUTOCONF! Somebody please regenerate with an
approved version. Thanks!

llvm-svn: 62554
 2009-01-20 00:52:24 +00:00
Nick Lewycky
6ef90b1a25 Make the Interpreter use libffi if it's available. Patch from Alexei Svitkine! 
This requires a rebuild of 'configure' itself. I will be committing that next, but
built with the wrong version of autoconf. Somebody who has the right one, please update
it.

As a side-note, because of the way autoconf works, all built tools will link against
libffi, not just lli. If you know how to fix this, please let me know ...

llvm-svn: 62553
 2009-01-20 00:51:40 +00:00
Evan Cheng
5ee5ba12be Make linear scan's trivial coalescer slightly more aggressive. 
llvm-svn: 62547
 2009-01-20 00:16:18 +00:00
Bill Wendling
5281f4fb64 Doxygen-ify comments. 
llvm-svn: 62546
 2009-01-19 23:43:56 +00:00
Devang Patel
7c2157602d Verify debug info. 
llvm-svn: 62545
 2009-01-19 23:21:49 +00:00
Chris Lattner
e8fa6f2468 Fix a problem exposed by PR3354: simplifycfg was making a potentially 
trapping instruction be executed unconditionally.

llvm-svn: 62541
 2009-01-19 23:03:13 +00:00
Dan Gohman
02b5657666 Remove SDNode's virtual destructor. This makes it impossible for 
SDNode subclasses to keep state that requires non-trivial
destructors, however it was already effectively impossible,
since the destructor isn't actually ever called. There currently
aren't any SDNode subclasses affected by this, and in general
it's desireable to keep SDNode objects light-weight.

This eliminates the last virtual member function in the SDNode
class, so it eliminates the need for a vtable pointer, making
SDNode smaller.

llvm-svn: 62539
 2009-01-19 22:39:36 +00:00
Dale Johannesen
5508ead868 Move & restructure test per review. 
llvm-svn: 62538
 2009-01-19 22:33:12 +00:00
Chris Lattner
7b4c55fb34 convert this to an unfoldable potentially trapping constant expr. 
llvm-svn: 62536
 2009-01-19 22:12:33 +00:00
Chris Lattner
45a7b5ce57 improve compatibility with cygwin, patch by Jay Foad! 
llvm-svn: 62535
 2009-01-19 22:00:18 +00:00
Chris Lattner
8c8234435a div/rem by zero and div/rem overflow are both undefined according to 
langref.  Constant fold them to undef instead of trying to preserve
the trap.  This fixes PR3354.

llvm-svn: 62534
 2009-01-19 21:55:26 +00:00
Dan Gohman
af4e583c93 Fix SelectionDAG::ReplaceAllUsesWith to behave correctly when 
uses are added to the From node while it is processing From's
use list, because of automatic local CSE. The fix is to avoid
visiting any new uses.

Fix a few places in the DAGCombiner that assumed that after
a RAUW call, the From node has no users and may be deleted.

This fixes PR3018.

llvm-svn: 62533
 2009-01-19 21:44:21 +00:00
Chris Lattner
b88febb5cd Fix PR3353, infinitely jump threading an infinite loop make from switches. 
llvm-svn: 62529
 2009-01-19 21:20:34 +00:00
Dale Johannesen
31f3cac06b compile-time fmod was done incorrectly. PR 3316. 
llvm-svn: 62528
 2009-01-19 21:17:05 +00:00
Devang Patel
52724d5df5 DebugInfo is a lightweight APIs and consumers are expected to use light objects directly. There is no need to support isa<>, dyn_cast<> etc... 
llvm-svn: 62527
 2009-01-19 21:13:39 +00:00
Devang Patel
50ac518b6c Verify Intrinsic::dbg_declare. 
llvm-svn: 62526
 2009-01-19 21:00:48 +00:00
Mike Stump
75b286bba9 Add targets to support the installation of clang in isolation. 
llvm-svn: 62522
 2009-01-19 19:48:23 +00:00
Evan Cheng
06cfade044 DIVREM isel deficiency: If sign bit is known zero, zero out DX/EDX/RDX instead of sign extending the low part (in AX/EAX/RAX) into it. 
llvm-svn: 62519
 2009-01-19 19:06:11 +00:00
Evan Cheng
3c00875658 Fix 80 col violations. 
llvm-svn: 62518
 2009-01-19 18:57:29 +00:00
Evan Cheng
2f50b49f22 Handle ISD::DECLARE with PIC relocation model. 
llvm-svn: 62516
 2009-01-19 18:31:51 +00:00
Nick Lewycky
7c5381a70c Port this test from dejagnu to unit testing. 
The way this worked before was to test APInt by running
"lli -force-interpreter=true" knowing the lli uses APInt under the hood to
store its values. Now, we test APInt directly.

llvm-svn: 62514
 2009-01-19 18:08:33 +00:00
Nick Lewycky
b98042a414 Fix typo, sentence fragment. 
llvm-svn: 62512
 2009-01-19 17:42:33 +00:00
Dan Villiom Podlaski Christiansen
be711c2a62 Adding your's truly to CREDITS.TXT 
(This is also a test commit.)

llvm-svn: 62511
 2009-01-19 15:04:29 +00:00
Bill Wendling
bf83203ae6 Temporarily revert r62487. It's causing this error during a release bootstrap of 
llvm-gcc. Most likely, it's miscompiling one of the "gen*" programs:

/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./prev-gcc/xgcc -B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./prev-gcc/ -B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.6.0/bin/ -c -g -O2 -mdynamic-no-pic -DIN_GCC -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -mdynamic-no-pic -DHAVE_CONFIG_H -DGENERATOR_FILE -I. -Ibuild -I../../llvm-gcc.src/gcc -I../../llvm-gcc.src/gcc/build -I../../llvm-gcc.src/gcc/../include -I./../intl -I../../llvm-gcc.src/gcc/../libcpp/include  -I../../llvm-gcc.src/gcc/../libdecnumber -I../libdecnumber -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.obj/include -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/include -DENABLE_LLVM -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.obj/../llvm.src/include  -D_DEBUG  -D_GNU_SOURCE -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS   -o build/gencondmd.o build/gencondmd.c
../../llvm-gcc.src/gcc/config/i386/mmx.md:926: error: expected '}' before ')' token
../../llvm-gcc.src/gcc/config/i386/mmx.md:926: warning: excess elements in struct initializer
../../llvm-gcc.src/gcc/config/i386/mmx.md:926: warning: (near initialization for 'insn_conditions[4]')
../../llvm-gcc.src/gcc/config/i386/mmx.md:926: error: expected '}' before ')' token
../../llvm-gcc.src/gcc/config/i386/mmx.md:926: error: expected ',' or ';' before ')' token
../../llvm-gcc.src/gcc/config/i386/mmx.md:927: error: expected identifier or '(' before ',' token
../../llvm-gcc.src/gcc/config/i386/sse.md:3458: error: expected identifier or '(' before ',' token
...

llvm-svn: 62506
 2009-01-19 08:46:20 +00:00
Evan Cheng
a14fd26a8b Minor tweak to LowerUINT_TO_FP_i32. Bias (after scalar_to_vector) has two uses so we should make it the second source operand of ISD::OR so 2-address pass won't have to be smart about commuting. 
%reg1024<def> = MOVSDrm %reg0, 1, %reg0, <cp#0>, Mem:LD(8,8) [ConstantPool + 0]
%reg1025<def> = MOVSD2PDrr %reg1024
%reg1026<def> = MOVDI2PDIrm <fi#-1>, 1, %reg0, 0, Mem:LD(4,16) [FixedStack-1 + 0]
%reg1027<def> = ORPSrr %reg1025<kill>, %reg1026<kill>
%reg1028<def> = MOVPD2SDrr %reg1027<kill>
%reg1029<def> = SUBSDrr %reg1028<kill>, %reg1024<kill>
%reg1030<def> = CVTSD2SSrr %reg1029<kill>
MOVSSmr <fi#0>, 1, %reg0, 0, %reg1030<kill>, Mem:ST(4,4) [FixedStack0 + 0]
%reg1031<def> = LD_Fp32m80 <fi#0>, 1, %reg0, 0, Mem:LD(4,16) [FixedStack0 + 0]
RET %reg1031<kill>, %ST0<imp-use,kill>

The reason 2-addr pass isn't smart enough to commute the ORPSrr is because it can't look pass the MOVSD2PDrr instruction.

llvm-svn: 62505
 2009-01-19 08:19:57 +00:00
Evan Cheng
53e83a2eb9 Now not UINT_TO_FP is legal (it's marked custom), dag combiner won't 
optimize it to a SINT_TO_FP when the sign bit is known zero. X86 isel should perform the optimization itself.

llvm-svn: 62504
 2009-01-19 08:08:22 +00:00
Chris Lattner
bb76cc9447 Fix PR3016, a bug which can occur do to an invalid assumption: 
we assumed a CFG structure that would be valid when all code in 
the function is reachable, but not all code is necessarily 
reachable.  Do a simple, but horrible, CFG walk to check for this
case.

llvm-svn: 62487
 2009-01-19 02:46:28 +00:00
Chris Lattner
af6f58bbf4 reduce indentation by using 'continue', no functionality change. 
llvm-svn: 62477
 2009-01-19 02:07:32 +00:00
Chris Lattner
c03b442e54 Fix some problems in SpeculativelyExecuteBB. Basically, 
because of dead code, a phi could use the speculated instruction
that was not in "BB2".  Make this check explicit and tighten up 
some other corners.  This fixes PR3292.  No testcase becauase this
depends entirely on visitation order of blocks and requires a 
sequence of 8 passes to repro.

llvm-svn: 62476
 2009-01-19 00:36:37 +00:00
Chris Lattner
ead19aaccb Make this a bit more explicit about which cases need the 
check.  No functionality change.

llvm-svn: 62474
 2009-01-18 23:22:07 +00:00
Chris Lattner
6f03811071 Fix rdar://6505632, an llc crash on 483.xalancbmk 
llvm-svn: 62470
 2009-01-18 20:35:00 +00:00
Sanjiv Gupta
5a5af71ca2 Few targets like PIC16 wants libcall generation for illegal type i16. 
llvm-svn: 62467
 2009-01-18 18:25:27 +00:00
Oscar Fuentes
fae323d3f2 CMake: Add lib/Analysis/CaptureTracking.cpp 
llvm-svn: 62462
 2009-01-18 13:14:11 +00:00
Duncan Sands
ddfeabbab7 BasicAliasAnalysis and FunctionAttrs were both 
doing very similar pointer capture analysis.
Factor out the common logic.  The new version
is from FunctionAttrs since it does a better
job than the version in BasicAliasAnalysis

llvm-svn: 62461
 2009-01-18 12:19:30 +00:00
Mon P Wang
27ea1af89f Simplify extract element based on comments from Duncan Sands. 
llvm-svn: 62459
 2009-01-18 06:43:40 +00:00
Nick Lewycky
f4b028bf4c Forgot this in the previous checkin: fopen now has nocapture, realloc is 
supposed to take two arguments.

llvm-svn: 62457
 2009-01-18 04:46:10 +00:00
Nick Lewycky
39fcb513ca Fix copy and pasted typos that prevented strtok_r, realloc, getenv, ungetc, 
putc, puts, perror, vscanf and vsscanf from getting annotations.

Add annotations for eight printf functions, memalign, pread and pwrite.

On Linux, llvm-gcc sometimes renames strdup, getc, putc, strtok_r, scanf and
sscanf. Match the alternate function names.

Fix a crash annotating opendir.

Don't mark fsetpos's second parameter as nocapture. It's supposed to be
captured.

Do mark fopen's path and mode strings as nocapture. Mark ferror as readonly,
but not fileno which may set errno.

llvm-svn: 62456
 2009-01-18 04:34:36 +00:00
Gabor Greif
6a02ecbd29 add a comment 
llvm-svn: 62436
 2009-01-18 00:27:21 +00:00