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* Testcase for limited precision stuff.Bill Wendling2009-01-201-0/+133
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62572 91177308-0d34-0410-b5e6-96231b3b80d8
* Shift types need to match.Bill Wendling2009-01-201-8/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62571 91177308-0d34-0410-b5e6-96231b3b80d8
* another fix for PR3354Chris Lattner2009-01-202-1/+17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62561 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a README entry noticed while investigating PR3216.Dan Gohman2009-01-201-0/+22
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* Fix a dagcombine to not generate loads of non-round integer types,Dan Gohman2009-01-202-1/+15
| | | | | | | | 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 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not use DenseMap because the iterator is invalidated while constructing ↵Devang Patel2009-01-201-2/+2
| | | | | | 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 91177308-0d34-0410-b5e6-96231b3b80d8
* Regenerate.Nick Lewycky2009-01-201-3299/+1385
| | | | | | | | 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 91177308-0d34-0410-b5e6-96231b3b80d8
* Make the Interpreter use libffi if it's available. Patch from Alexei Svitkine!Nick Lewycky2009-01-202-496/+215
| | | | | | | | | | | | 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 91177308-0d34-0410-b5e6-96231b3b80d8
* Make linear scan's trivial coalescer slightly more aggressive.Evan Cheng2009-01-202-6/+14
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* Doxygen-ify comments.Bill Wendling2009-01-191-45/+43
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62546 91177308-0d34-0410-b5e6-96231b3b80d8
* Verify debug info.Devang Patel2009-01-195-10/+138
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* Fix a problem exposed by PR3354: simplifycfg was making a potentiallyChris Lattner2009-01-192-1/+34
| | | | | | | trapping instruction be executed unconditionally. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62541 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove SDNode's virtual destructor. This makes it impossible forDan Gohman2009-01-193-89/+16
| | | | | | | | | | | | | | | 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 91177308-0d34-0410-b5e6-96231b3b80d8
* Move & restructure test per review.Dale Johannesen2009-01-191-2/+2
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* convert this to an unfoldable potentially trapping constant expr.Chris Lattner2009-01-191-2/+4
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* improve compatibility with cygwin, patch by Jay Foad!Chris Lattner2009-01-192-6/+17
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* div/rem by zero and div/rem overflow are both undefined according toChris Lattner2009-01-191-11/+11
| | | | | | | | 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 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix SelectionDAG::ReplaceAllUsesWith to behave correctly whenDan Gohman2009-01-193-16/+47
| | | | | | | | | | | | | | 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 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR3353, infinitely jump threading an infinite loop make from switches.Chris Lattner2009-01-192-0/+26
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* compile-time fmod was done incorrectly. PR 3316.Dale Johannesen2009-01-192-2/+81
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* DebugInfo is a lightweight APIs and consumers are expected to use light ↵Devang Patel2009-01-191-59/+0
| | | | | | objects directly. There is no need to support isa<>, dyn_cast<> etc... git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62527 91177308-0d34-0410-b5e6-96231b3b80d8
* Verify Intrinsic::dbg_declare. Devang Patel2009-01-193-10/+8
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* Add targets to support the installation of clang in isolation.Mike Stump2009-01-191-0/+13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62522 91177308-0d34-0410-b5e6-96231b3b80d8
* DIVREM isel deficiency: If sign bit is known zero, zero out DX/EDX/RDX ↵Evan Cheng2009-01-192-1/+8
| | | | | | 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 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix 80 col violations.Evan Cheng2009-01-191-2/+2
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* Handle ISD::DECLARE with PIC relocation model.Evan Cheng2009-01-191-4/+15
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* Port this test from dejagnu to unit testing.Nick Lewycky2009-01-192-30/+25
| | | | | | | | | | 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 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typo, sentence fragment.Nick Lewycky2009-01-191-2/+2
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* Adding your's truly to CREDITS.TXTDan Villiom Podlaski Christiansen2009-01-191-0/+8
| | | | | | (This is also a test commit.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62511 91177308-0d34-0410-b5e6-96231b3b80d8
* Temporarily revert r62487. It's causing this error during a release bootstrap ofBill Wendling2009-01-192-77/+3
| | | | | | | | | | | | | | | | | | 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 91177308-0d34-0410-b5e6-96231b3b80d8
* Minor tweak to LowerUINT_TO_FP_i32. Bias (after scalar_to_vector) has two ↵Evan Cheng2009-01-191-2/+2
| | | | | | | | | | | | | | | | | | | | 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 91177308-0d34-0410-b5e6-96231b3b80d8
* Now not UINT_TO_FP is legal (it's marked custom), dag combiner won'tEvan Cheng2009-01-192-1/+9
| | | | | | | 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 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR3016, a bug which can occur do to an invalid assumption:Chris Lattner2009-01-192-2/+107
| | | | | | | | | | 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 91177308-0d34-0410-b5e6-96231b3b80d8
* reduce indentation by using 'continue', no functionality change.Chris Lattner2009-01-191-20/+22
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* Fix some problems in SpeculativelyExecuteBB. Basically,Chris Lattner2009-01-191-5/+16
| | | | | | | | | | | | 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 91177308-0d34-0410-b5e6-96231b3b80d8
* Make this a bit more explicit about which cases need the Chris Lattner2009-01-181-2/+6
| | | | | | | check. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62474 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix rdar://6505632, an llc crash on 483.xalancbmkChris Lattner2009-01-182-1/+38
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* Few targets like PIC16 wants libcall generation for illegal type i16.Sanjiv Gupta2009-01-183-4/+20
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* CMake: Add lib/Analysis/CaptureTracking.cppOscar Fuentes2009-01-181-0/+1
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* BasicAliasAnalysis and FunctionAttrs were bothDuncan Sands2009-01-184-133/+144
| | | | | | | | | | 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 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify extract element based on comments from Duncan Sands.Mon P Wang2009-01-181-7/+3
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* Forgot this in the previous checkin: fopen now has nocapture, realloc isNick Lewycky2009-01-181-2/+2
| | | | | | | supposed to take two arguments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62457 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix copy and pasted typos that prevented strtok_r, realloc, getenv, ungetc,Nick Lewycky2009-01-181-22/+152
| | | | | | | | | | | | | | | | | | | | | 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 91177308-0d34-0410-b5e6-96231b3b80d8
* add a commentGabor Greif2009-01-181-0/+1
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* switch over some other methods from indices to iteratorsGabor Greif2009-01-171-8/+8
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* make comparisons a bist fasterGabor Greif2009-01-171-5/+3
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* Remove tabs.Devang Patel2009-01-171-19/+19
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* Refactor codeDevang Patel2009-01-171-118/+73
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* Testcase for last commit.Bill Wendling2009-01-171-0/+31
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62418 91177308-0d34-0410-b5e6-96231b3b80d8
* Extend thiBill Wendling2009-01-171-11/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62415 91177308-0d34-0410-b5e6-96231b3b80d8
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