OSDN Git Service
Evan Cheng [Tue, 20 Jan 2009 21:25:12 +0000 (21:25 +0000)]
Fix PR3243: a LiveVariables bug. When HandlePhysRegKill is checking whether the last reference is also the last def (i.e. dead def), it should also check if last reference is the current machine instruction being processed. This can happen when it is processing a physical register use and setting the current machine instruction as sub-register's last ref.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62617
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Duncan Sands [Tue, 20 Jan 2009 21:20:23 +0000 (21:20 +0000)]
Fix typo. Patch by Alexei Svitkine.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62616
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Bill Wendling [Tue, 20 Jan 2009 21:17:57 +0000 (21:17 +0000)]
Use "SINT_TO_FP" instead of "UINT_TO_FP" when getting the exponent. This was
causing the limited precision stuff to produce the wrong result for values in
the range [0, 1).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62615
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Devang Patel [Tue, 20 Jan 2009 21:02:02 +0000 (21:02 +0000)]
Fix struct member's debug info.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62610
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Evan Cheng [Tue, 20 Jan 2009 19:29:54 +0000 (19:29 +0000)]
Add test case for PR3154.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62604
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Devang Patel [Tue, 20 Jan 2009 19:23:29 +0000 (19:23 +0000)]
indentation...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62603
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Devang Patel [Tue, 20 Jan 2009 19:22:03 +0000 (19:22 +0000)]
Need only one set of debug info versions enum.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62602
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Evan Cheng [Tue, 20 Jan 2009 19:12:24 +0000 (19:12 +0000)]
Change TargetInstrInfo::isMoveInstr to return source and destination sub-register indices as well.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62600
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Devang Patel [Tue, 20 Jan 2009 19:08:39 +0000 (19:08 +0000)]
zap white spaces.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62598
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Devang Patel [Tue, 20 Jan 2009 18:55:39 +0000 (18:55 +0000)]
Fix global variable's address in a DIE.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62596
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Devang Patel [Tue, 20 Jan 2009 18:35:14 +0000 (18:35 +0000)]
Enable debug info for enums.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62594
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Dale Johannesen [Tue, 20 Jan 2009 18:35:05 +0000 (18:35 +0000)]
Add an IEEE remainder function, which is not
fully implemented yet and not used. This is
mainly to clarify that APFloat::mod implements
C fmod, not remainder.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62593
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Chris Lattner [Tue, 20 Jan 2009 18:25:03 +0000 (18:25 +0000)]
improve compatibility with various versions of graphviz, patch by
Patrick Boettcher!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62592
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Chris Lattner [Tue, 20 Jan 2009 18:23:14 +0000 (18:23 +0000)]
eliminate use of uint32_t to improve compatibility with cygwin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62591
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Chris Lattner [Tue, 20 Jan 2009 18:22:57 +0000 (18:22 +0000)]
Eliminate use of uint32_t to improve compatibility with cygwin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62590
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Devang Patel [Tue, 20 Jan 2009 18:13:03 +0000 (18:13 +0000)]
Enable debug info for composite types.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62589
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Duncan Sands [Tue, 20 Jan 2009 18:08:39 +0000 (18:08 +0000)]
Check that the "don't barf on k8" fix is not
accidentally reverted again.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62587
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Evan Cheng [Tue, 20 Jan 2009 17:30:40 +0000 (17:30 +0000)]
Spacing
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62584
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Bill Wendling [Tue, 20 Jan 2009 10:28:39 +0000 (10:28 +0000)]
Temporarily XFAIL until this can be looked at. r62557 is what caused it to start failing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62578
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Duncan Sands [Tue, 20 Jan 2009 09:05:19 +0000 (09:05 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62576
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Evan Cheng [Tue, 20 Jan 2009 06:44:16 +0000 (06:44 +0000)]
Refactor code. No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62573
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Bill Wendling [Tue, 20 Jan 2009 06:23:59 +0000 (06:23 +0000)]
Testcase for limited precision stuff.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62572
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Bill Wendling [Tue, 20 Jan 2009 06:10:42 +0000 (06:10 +0000)]
Shift types need to match.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62571
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Chris Lattner [Tue, 20 Jan 2009 01:15:41 +0000 (01:15 +0000)]
another fix for PR3354
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62561
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Dan Gohman [Tue, 20 Jan 2009 01:07:33 +0000 (01:07 +0000)]
Add a README entry noticed while investigating PR3216.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62558
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Dan Gohman [Tue, 20 Jan 2009 01:06:45 +0000 (01:06 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62557
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Devang Patel [Tue, 20 Jan 2009 00:58:55 +0000 (00:58 +0000)]
Do not use DenseMap because the iterator is invalidated while constructing types. After all there was a reason why std::map was used initially!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62555
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Nick Lewycky [Tue, 20 Jan 2009 00:52:24 +0000 (00:52 +0000)]
Regenerate.
BUILT WITH WRONG VERSION OF AUTOCONF! Somebody please regenerate with an
approved version. Thanks!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62554
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Nick Lewycky [Tue, 20 Jan 2009 00:51:40 +0000 (00:51 +0000)]
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 ...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62553
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Evan Cheng [Tue, 20 Jan 2009 00:16:18 +0000 (00:16 +0000)]
Make linear scan's trivial coalescer slightly more aggressive.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62547
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Bill Wendling [Mon, 19 Jan 2009 23:43:56 +0000 (23:43 +0000)]
Doxygen-ify comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62546
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Devang Patel [Mon, 19 Jan 2009 23:21:49 +0000 (23:21 +0000)]
Verify debug info.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62545
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Chris Lattner [Mon, 19 Jan 2009 23:03:13 +0000 (23:03 +0000)]
Fix a problem exposed by PR3354: simplifycfg was making a potentially
trapping instruction be executed unconditionally.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62541
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Dan Gohman [Mon, 19 Jan 2009 22:39:36 +0000 (22:39 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62539
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Dale Johannesen [Mon, 19 Jan 2009 22:33:12 +0000 (22:33 +0000)]
Move & restructure test per review.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62538
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Chris Lattner [Mon, 19 Jan 2009 22:12:33 +0000 (22:12 +0000)]
convert this to an unfoldable potentially trapping constant expr.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62536
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Chris Lattner [Mon, 19 Jan 2009 22:00:18 +0000 (22:00 +0000)]
improve compatibility with cygwin, patch by Jay Foad!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62535
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Chris Lattner [Mon, 19 Jan 2009 21:55:26 +0000 (21:55 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62534
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Dan Gohman [Mon, 19 Jan 2009 21:44:21 +0000 (21:44 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62533
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Chris Lattner [Mon, 19 Jan 2009 21:20:34 +0000 (21:20 +0000)]
Fix PR3353, infinitely jump threading an infinite loop make from switches.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62529
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Dale Johannesen [Mon, 19 Jan 2009 21:17:05 +0000 (21:17 +0000)]
compile-time fmod was done incorrectly. PR 3316.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62528
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Devang Patel [Mon, 19 Jan 2009 21:13:39 +0000 (21:13 +0000)]
DebugInfo is a lightweight APIs and consumers are expected to use light objects directly. There is no need to support isa<>, dyn_cast<> etc...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62527
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Devang Patel [Mon, 19 Jan 2009 21:00:48 +0000 (21:00 +0000)]
Verify Intrinsic::dbg_declare.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62526
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Mike Stump [Mon, 19 Jan 2009 19:48:23 +0000 (19:48 +0000)]
Add targets to support the installation of clang in isolation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62522
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Evan Cheng [Mon, 19 Jan 2009 19:06:11 +0000 (19:06 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62519
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Evan Cheng [Mon, 19 Jan 2009 18:57:29 +0000 (18:57 +0000)]
Fix 80 col violations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62518
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Evan Cheng [Mon, 19 Jan 2009 18:31:51 +0000 (18:31 +0000)]
Handle ISD::DECLARE with PIC relocation model.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62516
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Nick Lewycky [Mon, 19 Jan 2009 18:08:33 +0000 (18:08 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62514
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Nick Lewycky [Mon, 19 Jan 2009 17:42:33 +0000 (17:42 +0000)]
Fix typo, sentence fragment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62512
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Dan Villiom Podlaski Christiansen [Mon, 19 Jan 2009 15:04:29 +0000 (15:04 +0000)]
Adding your's truly to CREDITS.TXT
(This is also a test commit.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62511
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Bill Wendling [Mon, 19 Jan 2009 08:46:20 +0000 (08:46 +0000)]
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
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62506
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Evan Cheng [Mon, 19 Jan 2009 08:19:57 +0000 (08:19 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62505
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Evan Cheng [Mon, 19 Jan 2009 08:08:22 +0000 (08:08 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62504
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Chris Lattner [Mon, 19 Jan 2009 02:46:28 +0000 (02:46 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62487
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Chris Lattner [Mon, 19 Jan 2009 02:07:32 +0000 (02:07 +0000)]
reduce indentation by using 'continue', no functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62477
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Chris Lattner [Mon, 19 Jan 2009 00:36:37 +0000 (00:36 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62476
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Chris Lattner [Sun, 18 Jan 2009 23:22:07 +0000 (23:22 +0000)]
Make this a bit more explicit about which cases need the
check. No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62474
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Chris Lattner [Sun, 18 Jan 2009 20:35:00 +0000 (20:35 +0000)]
Fix rdar://
6505632, an llc crash on 483.xalancbmk
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62470
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Sanjiv Gupta [Sun, 18 Jan 2009 18:25:27 +0000 (18:25 +0000)]
Few targets like PIC16 wants libcall generation for illegal type i16.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62467
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Oscar Fuentes [Sun, 18 Jan 2009 13:14:11 +0000 (13:14 +0000)]
CMake: Add lib/Analysis/CaptureTracking.cpp
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62462
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Duncan Sands [Sun, 18 Jan 2009 12:19:30 +0000 (12:19 +0000)]
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
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62461
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Mon P Wang [Sun, 18 Jan 2009 06:43:40 +0000 (06:43 +0000)]
Simplify extract element based on comments from Duncan Sands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62459
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Nick Lewycky [Sun, 18 Jan 2009 04:46:10 +0000 (04:46 +0000)]
Forgot this in the previous checkin: fopen now has nocapture, realloc is
supposed to take two arguments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62457
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Nick Lewycky [Sun, 18 Jan 2009 04:34:36 +0000 (04:34 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62456
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Gabor Greif [Sun, 18 Jan 2009 00:27:21 +0000 (00:27 +0000)]
add a comment
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62436
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Gabor Greif [Sat, 17 Jan 2009 19:46:01 +0000 (19:46 +0000)]
switch over some other methods from indices to iterators
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62430
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Gabor Greif [Sat, 17 Jan 2009 19:03:45 +0000 (19:03 +0000)]
make comparisons a bist faster
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62428
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Devang Patel [Sat, 17 Jan 2009 08:05:14 +0000 (08:05 +0000)]
Remove tabs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62423
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Devang Patel [Sat, 17 Jan 2009 08:01:33 +0000 (08:01 +0000)]
Refactor code
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62421
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Bill Wendling [Sat, 17 Jan 2009 07:42:44 +0000 (07:42 +0000)]
Testcase for last commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62418
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Bill Wendling [Sat, 17 Jan 2009 07:40:19 +0000 (07:40 +0000)]
Extend thi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62415
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Evan Cheng [Sat, 17 Jan 2009 07:09:27 +0000 (07:09 +0000)]
Fix MatchAddress bug that's preventing negative displacement from being folded in 64-bit mode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62413
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Devang Patel [Sat, 17 Jan 2009 06:57:25 +0000 (06:57 +0000)]
Assign argument type to appropriate DIE.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62412
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Devang Patel [Sat, 17 Jan 2009 06:51:37 +0000 (06:51 +0000)]
Remove dead code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62410
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Devang Patel [Sat, 17 Jan 2009 05:05:12 +0000 (05:05 +0000)]
Disable composite type debug info for now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62406
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Bill Wendling [Sat, 17 Jan 2009 04:23:51 +0000 (04:23 +0000)]
Temporarily revert my last change. It is causing a bootstrap failure.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62405
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Bill Wendling [Sat, 17 Jan 2009 03:56:04 +0000 (03:56 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62404
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Oscar Fuentes [Sat, 17 Jan 2009 01:50:32 +0000 (01:50 +0000)]
CMake: Add lib/Target/IA64/IA64Subtarget.cpp
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62394
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Gabor Greif [Sat, 17 Jan 2009 00:14:25 +0000 (00:14 +0000)]
speed up iterative loop by using iterators. changes direction, but functionally equivalent
if this works out, I'll change the others next.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62385
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Gabor Greif [Sat, 17 Jan 2009 00:09:08 +0000 (00:09 +0000)]
introduce typedef for complicated vector, and use it too
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62384
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Mon P Wang [Sat, 17 Jan 2009 00:07:25 +0000 (00:07 +0000)]
Simplify extract element of a scalar to vector.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62383
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Gabor Greif [Fri, 16 Jan 2009 23:08:50 +0000 (23:08 +0000)]
typo
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62377
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Evan Cheng [Fri, 16 Jan 2009 22:57:32 +0000 (22:57 +0000)]
Fix PPC ISD::Declare isel and eliminate the need for PPCTargetLowering::LowerGlobalAddress to check if isVerifiedDebugInfoDesc() is true. Given the recent changes, it would falsely return true for a lot of GlobalAddressSDNode's.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62373
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Mikhail Glushenkov [Fri, 16 Jan 2009 22:54:19 +0000 (22:54 +0000)]
Support for multi-valued options in CommandLine
Makes possible to specify options that take multiple arguments (a-la
-sectalign on Darwin). See documentation for details.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62372
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Dan Gohman [Fri, 16 Jan 2009 22:49:36 +0000 (22:49 +0000)]
Give IA64 a TargetSubtarget subclass, so that it can
implement getSubtargetImpl.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62369
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Dan Gohman [Fri, 16 Jan 2009 22:10:20 +0000 (22:10 +0000)]
Instead of adding dependence edges between terminator instructions
and every other instruction in their blocks to keep the terminator
instructions at the end, teach the post-RA scheduler how to operate
on ranges of instructions, and exclude terminators from the range
of instructions that get scheduled.
Also, exclude mid-block labels, such as EH_LABEL instructions, and
schedule code before them separately from code after them. This
fixes problems with the post-RA scheduler moving code past
EH_LABELs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62366
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Dan Gohman [Fri, 16 Jan 2009 21:57:43 +0000 (21:57 +0000)]
If an anti-dependence uses a non-allocatable register, set AntiDepReg
to 0, to ensure that the subsequent code doesn't try to break the
dependence.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62365
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Dan Gohman [Fri, 16 Jan 2009 21:47:21 +0000 (21:47 +0000)]
Use the getNode() accessor instead of accessing the Node
member directly, which is private as of r55504.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62364
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Dan Gohman [Fri, 16 Jan 2009 21:40:12 +0000 (21:40 +0000)]
Disable the post-RA scheduler on this test, since it uses a
simple %prcontext which doesn't find what it's looking for
if the scheduler has rearranged the instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62363
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Dan Gohman [Fri, 16 Jan 2009 21:37:14 +0000 (21:37 +0000)]
Fix the check for an empty basic block to check for an empty SUnits
array instead, since this is what the scheduler actually cares about.
And remove a check that is unnecessary, since it can assume that
SUnits isn't empty.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62362
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Dan Gohman [Fri, 16 Jan 2009 21:30:55 +0000 (21:30 +0000)]
Avoid triggering an assertion failure when an instruction pattern
is a leaf node. Patch by Brandner!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62361
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Chris Lattner [Fri, 16 Jan 2009 21:15:56 +0000 (21:15 +0000)]
new nodes should be added to the worklist, not old nodes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62359
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Devang Patel [Fri, 16 Jan 2009 21:07:53 +0000 (21:07 +0000)]
Fix comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62358
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Evan Cheng [Fri, 16 Jan 2009 20:57:18 +0000 (20:57 +0000)]
CreateVirtualRegisters does trivial copy coalescing. If a node def is used by a single CopyToReg, it reuses the virtual register assigned to the CopyToReg. This won't work for SDNode that is a clone or is itself cloned. Disable this optimization for those nodes or it can end up with non-SSA machine instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62356
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Chris Lattner [Fri, 16 Jan 2009 20:26:53 +0000 (20:26 +0000)]
remove a dead method.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62354
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Chris Lattner [Fri, 16 Jan 2009 20:17:02 +0000 (20:17 +0000)]
don't assert and die on out of range (undefined) shifts. This fixes
PR3334.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62352
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Chris Lattner [Fri, 16 Jan 2009 20:12:52 +0000 (20:12 +0000)]
Fix PR3335 by not turning a store to one address space into a store to another.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62351
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Chris Lattner [Fri, 16 Jan 2009 20:08:59 +0000 (20:08 +0000)]
reduce indentation by using early exits, no functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62350
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Devang Patel [Fri, 16 Jan 2009 19:28:14 +0000 (19:28 +0000)]
Use lightweight DebugInfo objects directly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62341
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Bill Wendling [Fri, 16 Jan 2009 19:25:27 +0000 (19:25 +0000)]
Add support for non-zero __builtin_return_address values on X86.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62338
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