Commit Graph

26693 Commits

Author SHA1 Message Date
Devang Patel 120e962243 Enable debug info for composite types.
llvm-svn: 62589
2009-01-20 18:13:03 +00:00
Evan Cheng 6cdcf1eb73 Refactor code. No functionality change.
llvm-svn: 62573
2009-01-20 06:44:16 +00:00
Bill Wendling 786a683441 Shift types need to match.
llvm-svn: 62571
2009-01-20 06:10:42 +00:00
Chris Lattner c59945b4bd another fix for PR3354
llvm-svn: 62561
2009-01-20 01:15:41 +00:00
Dan Gohman 83d2e066c1 Add a README entry noticed while investigating PR3216.
llvm-svn: 62558
2009-01-20 01:07:33 +00:00
Dan Gohman 161b7b66ac 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 af6a3748c7 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 766ac10452 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 8f79775a66 Make linear scan's trivial coalescer slightly more aggressive.
llvm-svn: 62547
2009-01-20 00:16:18 +00:00
Bill Wendling caf1d22243 Doxygen-ify comments.
llvm-svn: 62546
2009-01-19 23:43:56 +00:00
Devang Patel 44afc82ebe Verify debug info.
llvm-svn: 62545
2009-01-19 23:21:49 +00:00
Chris Lattner ea9f1d3c47 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 534c8a2d72 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
Chris Lattner 73d7fe5a34 improve compatibility with cygwin, patch by Jay Foad!
llvm-svn: 62535
2009-01-19 22:00:18 +00:00
Chris Lattner dd8ef1bf30 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 cd0b1bf0a0 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 6f34e317e9 Fix PR3353, infinitely jump threading an infinite loop make from switches.
llvm-svn: 62529
2009-01-19 21:20:34 +00:00
Dale Johannesen 740e98704d compile-time fmod was done incorrectly. PR 3316.
llvm-svn: 62528
2009-01-19 21:17:05 +00:00
Devang Patel 8c8aa2ac29 Verify Intrinsic::dbg_declare.
llvm-svn: 62526
2009-01-19 21:00:48 +00:00
Evan Cheng 44cc554311 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 0346c04f39 Fix 80 col violations.
llvm-svn: 62518
2009-01-19 18:57:29 +00:00
Evan Cheng 6c02498215 Handle ISD::DECLARE with PIC relocation model.
llvm-svn: 62516
2009-01-19 18:31:51 +00:00
Nick Lewycky 030c450fdc Fix typo, sentence fragment.
llvm-svn: 62512
2009-01-19 17:42:33 +00:00
Bill Wendling 534d2e0bae 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 8f367e53c7 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 7e9ef4d776 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 f2bb4ea39c 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 e381d7026f reduce indentation by using 'continue', no functionality change.
llvm-svn: 62477
2009-01-19 02:07:32 +00:00
Chris Lattner 54f0c61d71 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 e1c01e4e2b 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 64b7bd7f9e Fix rdar://6505632, an llc crash on 483.xalancbmk
llvm-svn: 62470
2009-01-18 20:35:00 +00:00
Sanjiv Gupta 1d2fc787a9 Few targets like PIC16 wants libcall generation for illegal type i16.
llvm-svn: 62467
2009-01-18 18:25:27 +00:00
Oscar Fuentes 963c975975 CMake: Add lib/Analysis/CaptureTracking.cpp
llvm-svn: 62462
2009-01-18 13:14:11 +00:00
Duncan Sands e0aa0d677d 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 e9e7abb6b8 Simplify extract element based on comments from Duncan Sands.
llvm-svn: 62459
2009-01-18 06:43:40 +00:00
Nick Lewycky 3ced0dfa69 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 1b94d420ae add a comment
llvm-svn: 62436
2009-01-18 00:27:21 +00:00
Gabor Greif 20b722fe1c switch over some other methods from indices to iterators
llvm-svn: 62430
2009-01-17 19:46:01 +00:00
Devang Patel 3f634fe364 Remove tabs.
llvm-svn: 62423
2009-01-17 08:05:14 +00:00
Devang Patel 8ee1c9f220 Refactor code
llvm-svn: 62421
2009-01-17 08:01:33 +00:00
Bill Wendling f9291cf43c Extend thi
llvm-svn: 62415
2009-01-17 07:40:19 +00:00
Evan Cheng bf38a5e540 Fix MatchAddress bug that's preventing negative displacement from being folded in 64-bit mode.
llvm-svn: 62413
2009-01-17 07:09:27 +00:00
Devang Patel bf7d432ce4 Assign argument type to appropriate DIE.
llvm-svn: 62412
2009-01-17 06:57:25 +00:00
Devang Patel 2e32f71dfa Remove dead code.
llvm-svn: 62410
2009-01-17 06:51:37 +00:00
Devang Patel d250ef911f Disable composite type debug info for now.
llvm-svn: 62406
2009-01-17 05:05:12 +00:00
Bill Wendling dd40f26877 Temporarily revert my last change. It is causing a bootstrap failure.
llvm-svn: 62405
2009-01-17 04:23:51 +00:00
Bill Wendling 4d5275905e Implement a special algorithm for converting uint_to_fp for i32 values on
X86. This code:

void f() {
  uint32_t x;
  float y = (float)x;
}

used to be:

     movl     %eax, -8(%ebp)
     movl     [2^52 double], -4(%ebp)
     movsd    -8(%ebp), %xmm0
     subsd    [2^52 double], %xmm0
     cvtsd2ss %xmm0, %xmm0

Is now:

   movsd        [2^52 double], %xmm0
   movsd        %xmm0, %xmm1
   movd         %ecx, %xmm2
   orps         %xmm2, %xmm1
   subsd        %xmm0, %xmm1
   cvtsd2ss     %xmm1, %xmm0

This is faster on X86. Note that there's an extra load of %xmm0 into %xmm1. That
will be fixed in a later coalescer fix.

llvm-svn: 62404
2009-01-17 03:56:04 +00:00
Oscar Fuentes 90cc7050f2 CMake: Add lib/Target/IA64/IA64Subtarget.cpp
llvm-svn: 62394
2009-01-17 01:50:32 +00:00
Gabor Greif 1c6549db6f speed up iterative loop by using iterators. changes direction, but functionally equivalent
if this works out, I'll change the others next.

llvm-svn: 62385
2009-01-17 00:14:25 +00:00
Gabor Greif f1abfdccdc introduce typedef for complicated vector, and use it too
llvm-svn: 62384
2009-01-17 00:09:08 +00:00