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* Replace std::vector<bool> with BitVector.Evan Cheng2008-01-171-4/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46104 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixes a nasty dag combiner bug that causes a bunch of tests to fail at -O0.Evan Cheng2008-01-162-6/+74
| | | | | | | | | | | | | | | | | | | | | It's not safe to use the two value CombineTo variant to combine away a dead load. e.g. v1, chain2 = load chain1, loc v2, chain3 = load chain2, loc v3 = add v2, c Now we replace use of v1 with undef, use of chain2 with chain1. ReplaceAllUsesWith() will iterate through uses of the first load and update operands: v1, chain2 = load chain1, loc v2, chain3 = load chain1, loc v3 = add v2, c Now the second load is the same as the first load, SelectionDAG cse will ensure the use of second load is replaced with the first load. v1, chain2 = load chain1, loc v3 = add v1, c Then v1 is replaced with undef and bad things happen. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46099 91177308-0d34-0410-b5e6-96231b3b80d8
* Trampoline support for x86-64. This looks likeDuncan Sands2008-01-162-7/+70
| | | | | | | | | | it should work, but I have no machine to test it on. Committed because it will at least cause no harm, and maybe someone can test it for me! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46098 91177308-0d34-0410-b5e6-96231b3b80d8
* Handle attribute(used) global variables that are i8.Chris Lattner2008-01-161-14/+13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46090 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not mark EH tables no-dead-strip unless theDale Johannesen2008-01-163-13/+50
| | | | | | | | associated function is so marked. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46088 91177308-0d34-0410-b5e6-96231b3b80d8
* add testcase for regressionChris Lattner2008-01-161-0/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46073 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a ppc long double regression I introduced yesterday due to aChris Lattner2008-01-161-0/+1
| | | | | | | simplification. This fixes automotive-basicmath on PPC. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46072 91177308-0d34-0410-b5e6-96231b3b80d8
* merge a few pieces of code that do the store/load to stack Chris Lattner2008-01-161-30/+12
| | | | | | | pattern to use EmitStackConvert now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46066 91177308-0d34-0410-b5e6-96231b3b80d8
* rename ExpandBIT_CONVERT to EmitStackConvert, generalizing Chris Lattner2008-01-161-15/+37
| | | | | | | it to allow it to emit different load and store kinds. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46065 91177308-0d34-0410-b5e6-96231b3b80d8
* simplify a bunch of code by using SelectionDAG::CreateStackTemporary Chris Lattner2008-01-161-28/+6
| | | | | | | instead of inlining its body. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46062 91177308-0d34-0410-b5e6-96231b3b80d8
* Change legalizeop of FP_ROUND and FP_EXTEND to not fall throughChris Lattner2008-01-161-32/+55
| | | | | | | | | | into the ANY_EXTEND/ZERO_EXTEND/SIGN_EXTEND code to simplify it. Unmerge the code for FP_ROUND and FP_EXTEND from each other to make each one simpler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46061 91177308-0d34-0410-b5e6-96231b3b80d8
* make sure to use a cpu that has sse.Chris Lattner2008-01-161-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46060 91177308-0d34-0410-b5e6-96231b3b80d8
* make it more clear that this predicate only applies to scalar FP types.Chris Lattner2008-01-162-10/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46058 91177308-0d34-0410-b5e6-96231b3b80d8
* introduce a isTypeInSSEReg predicate, which allows us to simplifyChris Lattner2008-01-162-21/+18
| | | | | | | some code. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46055 91177308-0d34-0410-b5e6-96231b3b80d8
* My previous commit had an incomplete message, it should have been:Chris Lattner2008-01-162-1/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | make the 'fp return in ST(0)' optimization smart enough to look through token factor nodes. THis allows us to compile testcases like CodeGen/X86/fp-stack-retcopy.ll into: _carg: subl $12, %esp call L_foo$stub fstpl (%esp) fldl (%esp) addl $12, %esp ret instead of: _carg: subl $28, %esp call L_foo$stub fstpl 16(%esp) movsd 16(%esp), %xmm0 movsd %xmm0, 8(%esp) fldl 8(%esp) addl $28, %esp ret Still not optimal, but much better and this is a trivial patch. Fixing the rest requires invasive surgery that is is not llvm 2.2 material. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46054 91177308-0d34-0410-b5e6-96231b3b80d8
* make the 'fp return in ST(0)' optimization smart enough to Chris Lattner2008-01-161-1/+1
| | | | | | | look through token factor git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46053 91177308-0d34-0410-b5e6-96231b3b80d8
* various whitespace cleanups, no functionality change.Chris Lattner2008-01-161-7/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46052 91177308-0d34-0410-b5e6-96231b3b80d8
* Factor the ReachesChainWithoutSideEffects out of dag combiner into Chris Lattner2008-01-163-28/+40
| | | | | | | | a public SDOperand::reachesChainWithoutSideEffects method. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46050 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not strip llvm.used values.Devang Patel2008-01-163-3/+43
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46045 91177308-0d34-0410-b5e6-96231b3b80d8
* Changed ImmutableMap::find to return an iterator instead of a pointerTed Kremenek2008-01-151-10/+11
| | | | | | | to the tree node. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46034 91177308-0d34-0410-b5e6-96231b3b80d8
* - Introduces versioning macro LLVM_LTO_VERSIONDevang Patel2008-01-152-18/+75
| | | | | | | | - Communicate symbol visibility - Communicate code generation model git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46033 91177308-0d34-0410-b5e6-96231b3b80d8
* Commit a piece that I missed before, patch by Alain FrischChris Lattner2008-01-151-13/+19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46032 91177308-0d34-0410-b5e6-96231b3b80d8
* Missed file from previous checkin.Dale Johannesen2008-01-151-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46030 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix and enable EH for x86-64 Darwin. AddsDale Johannesen2008-01-155-13/+33
| | | | | | | | | | | ShortenEHDataFor64Bits as a not-very-accurate abstraction to cover all the changes in DwarfWriter. Some cosmetic changes to Darwin assembly code for gcc testsuite compatibility. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46029 91177308-0d34-0410-b5e6-96231b3b80d8
* Move some calls to getVRegDef higher in the callgraph, so they don't get ↵Owen Anderson2008-01-152-13/+15
| | | | | | executed as frequently in performance sensitive code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46027 91177308-0d34-0410-b5e6-96231b3b80d8
* improve compatibility with mingw, patch by Alain FrischChris Lattner2008-01-152-1/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46026 91177308-0d34-0410-b5e6-96231b3b80d8
* add a test to ensure that argpromote of one argument doesn't Chris Lattner2008-01-151-0/+26
| | | | | | | break the byval attr on some other argument. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46025 91177308-0d34-0410-b5e6-96231b3b80d8
* Add description of 'llvm.trap' intrinsic. Also, minor fixes in formatting. Anton Korobeynikov2008-01-151-5/+39
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46024 91177308-0d34-0410-b5e6-96231b3b80d8
* verify x86 generates ud2 for llvm.trapChris Lattner2008-01-151-0/+9
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* Unbreak the build.Evan Cheng2008-01-151-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46021 91177308-0d34-0410-b5e6-96231b3b80d8
* new testcase for llvm.trap.Chris Lattner2008-01-151-0/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46020 91177308-0d34-0410-b5e6-96231b3b80d8
* If someone wants to implement ppc TRAP, they can go for it :)Chris Lattner2008-01-151-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46019 91177308-0d34-0410-b5e6-96231b3b80d8
* The type of the 'abort' node should be pointer type (becauseChris Lattner2008-01-151-1/+2
| | | | | | | | it's a function pointer) not MVT::Other. This fixes builtin_trap lowering on ppc, alpha, ia64 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46018 91177308-0d34-0410-b5e6-96231b3b80d8
* rename SDTRet -> SDTNone.Chris Lattner2008-01-157-13/+11
| | | | | | | Move definition of 'trap' sdnode up from x86 instrinfo to targetselectiondag.td. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46017 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove DefInst from LiveVariables::VarInfo. Use the facilities on ↵Owen Anderson2008-01-154-38/+20
| | | | | | MachineRegisterInfo instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46016 91177308-0d34-0410-b5e6-96231b3b80d8
* no need to expand ISD::TRAP to X86ISD::TRAP, just match ISD::TRAP.Chris Lattner2008-01-153-17/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46015 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for targets that have a legal ISD::TRAP.Chris Lattner2008-01-152-4/+12
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* Add files to windows project files. Also include <algorithm> explicitly so ↵Chuck Rose III2008-01-155-4/+41
| | | | | | that vstudio build works git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46013 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix JIT encoding of trap/ud2 instructionAnton Korobeynikov2008-01-151-2/+1
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* Reformatted. It was confusing the other way. No functionality change.Bill Wendling2008-01-151-2/+3
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* Fix a memory correctness error noticed by valgrind (harmless in practice).Gordon Henriksen2008-01-151-1/+1
| | | | | | Thanks to Duncan Sands for noticing it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46007 91177308-0d34-0410-b5e6-96231b3b80d8
* Testcase for gimplify_expr crash caused by anDuncan Sands2008-01-151-0/+12
| | | | | | | unexpected placeholder_expr. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46006 91177308-0d34-0410-b5e6-96231b3b80d8
* Oops. Forgot to commit this.Evan Cheng2008-01-151-3/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46003 91177308-0d34-0410-b5e6-96231b3b80d8
* Oops. Forgot to commit this.Evan Cheng2008-01-151-5/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46002 91177308-0d34-0410-b5e6-96231b3b80d8
* For PR1839: add initial support for __builtin_trap. llvm-gcc part is missedAnton Korobeynikov2008-01-158-2/+54
| | | | | | | as well as PPC codegen git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46001 91177308-0d34-0410-b5e6-96231b3b80d8
* clarify that byval is valid for any pointer argument.Chris Lattner2008-01-151-5/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45998 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename CCIfStruct to CCIfByVal and CCStructAssign to CCPassByVal. Remove ↵Evan Cheng2008-01-153-13/+17
| | | | | | unused parameters of CCStructAssign and add size and alignment requirement info. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45997 91177308-0d34-0410-b5e6-96231b3b80d8
* Both x86-32 and x86-64 handle byval parameter attributes.Evan Cheng2008-01-151-4/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45996 91177308-0d34-0410-b5e6-96231b3b80d8
* ByVal stack slot alignment should be at least as large as pointer ABI alignment.Evan Cheng2008-01-151-1/+3
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* Revert my last commit. Not needed.Evan Cheng2008-01-151-20/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45994 91177308-0d34-0410-b5e6-96231b3b80d8
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