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* Make special cases (0 inf nan) work for frem.Dale Johannesen2009-01-213-38/+68
| | | | | | | | | | Besides APFloat, this involved removing code from two places that thought they knew the result of frem(0., x) but were wrong. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62645 91177308-0d34-0410-b5e6-96231b3b80d8
* Be more aggressive about renumbering vregs after splitting them.Owen Anderson2009-01-211-3/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62639 91177308-0d34-0410-b5e6-96231b3b80d8
* Encode member accessibility.Devang Patel2009-01-211-1/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62638 91177308-0d34-0410-b5e6-96231b3b80d8
* Appropriately mark fowrad decls.Devang Patel2009-01-201-11/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62625 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR3243: a LiveVariables bug. When HandlePhysRegKill is checking whether ↵Evan Cheng2009-01-201-13/+15
| | | | | | 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 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typo. Patch by Alexei Svitkine.Duncan Sands2009-01-201-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62616 91177308-0d34-0410-b5e6-96231b3b80d8
* Use "SINT_TO_FP" instead of "UINT_TO_FP" when getting the exponent. This wasBill Wendling2009-01-201-12/+13
| | | | | | | | 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 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix struct member's debug info.Devang Patel2009-01-201-7/+24
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62610 91177308-0d34-0410-b5e6-96231b3b80d8
* Need only one set of debug info versions enum.Devang Patel2009-01-202-6/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62602 91177308-0d34-0410-b5e6-96231b3b80d8
* Change TargetInstrInfo::isMoveInstr to return source and destination ↵Evan Cheng2009-01-2031-123/+157
| | | | | | sub-register indices as well. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62600 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix global variable's address in a DIE.Devang Patel2009-01-201-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62596 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable debug info for enums.Devang Patel2009-01-201-10/+14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62594 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an IEEE remainder function, which is notDale Johannesen2009-01-201-1/+39
| | | | | | | | | | 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 91177308-0d34-0410-b5e6-96231b3b80d8
* improve compatibility with various versions of graphviz, patch byChris Lattner2009-01-201-1/+1
| | | | | | | Patrick Boettcher! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62592 91177308-0d34-0410-b5e6-96231b3b80d8
* Eliminate use of uint32_t to improve compatibility with cygwinChris Lattner2009-01-201-6/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62590 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable debug info for composite types.Devang Patel2009-01-201-4/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62589 91177308-0d34-0410-b5e6-96231b3b80d8
* Refactor code. No functionality change.Evan Cheng2009-01-202-34/+89
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62573 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 Lattner2009-01-201-0/+5
| | | | 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
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62558 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a dagcombine to not generate loads of non-round integer types,Dan Gohman2009-01-201-1/+1
| | | | | | | | 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
* Make the Interpreter use libffi if it's available. Patch from Alexei Svitkine!Nick Lewycky2009-01-201-496/+206
| | | | | | | | | | | | 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 Cheng2009-01-201-6/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62547 91177308-0d34-0410-b5e6-96231b3b80d8
* 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 Patel2009-01-194-10/+121
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62545 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a problem exposed by PR3354: simplifycfg was making a potentiallyChris Lattner2009-01-191-1/+14
| | | | | | | 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 Gohman2009-01-191-53/+14
| | | | | | | | | | | | | | | 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
* improve compatibility with cygwin, patch by Jay Foad!Chris Lattner2009-01-191-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62535 91177308-0d34-0410-b5e6-96231b3b80d8
* 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 Gohman2009-01-192-16/+39
| | | | | | | | | | | | | | 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 Lattner2009-01-191-0/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62529 91177308-0d34-0410-b5e6-96231b3b80d8
* compile-time fmod was done incorrectly. PR 3316.Dale Johannesen2009-01-191-2/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62528 91177308-0d34-0410-b5e6-96231b3b80d8
* Verify Intrinsic::dbg_declare. Devang Patel2009-01-191-0/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62526 91177308-0d34-0410-b5e6-96231b3b80d8
* DIVREM isel deficiency: If sign bit is known zero, zero out DX/EDX/RDX ↵Evan Cheng2009-01-191-1/+1
| | | | | | 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
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62518 91177308-0d34-0410-b5e6-96231b3b80d8
* Handle ISD::DECLARE with PIC relocation model.Evan Cheng2009-01-191-4/+15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62516 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typo, sentence fragment.Nick Lewycky2009-01-191-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62512 91177308-0d34-0410-b5e6-96231b3b80d8
* Temporarily revert r62487. It's causing this error during a release bootstrap ofBill Wendling2009-01-191-77/+2
| | | | | | | | | | | | | | | | | | 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 Cheng2009-01-191-1/+8
| | | | | | | 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 Lattner2009-01-191-2/+77
| | | | | | | | | | 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
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62477 91177308-0d34-0410-b5e6-96231b3b80d8
* 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 Lattner2009-01-181-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62470 91177308-0d34-0410-b5e6-96231b3b80d8
* Few targets like PIC16 wants libcall generation for illegal type i16.Sanjiv Gupta2009-01-182-4/+16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62467 91177308-0d34-0410-b5e6-96231b3b80d8
* CMake: Add lib/Analysis/CaptureTracking.cppOscar Fuentes2009-01-181-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62462 91177308-0d34-0410-b5e6-96231b3b80d8
* BasicAliasAnalysis and FunctionAttrs were bothDuncan Sands2009-01-183-133/+115
| | | | | | | | | | 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
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62459 91177308-0d34-0410-b5e6-96231b3b80d8
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