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* Fix verification of explicit operands.Jakob Stoklund Olesen2009-09-231-8/+11
| | | | | | | | | | The machine code verifier did not check for explicit operands correctly. It used MachineInstr::getNumExplicitOperands, but that method may cheat and use the declared count in the TargetInstrDesc. Now we check the explicit operands one at a time in visitMachineOperand. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82652 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove BlackfinRegisterInfo::getFrameIndexOffset since it is the same as theBob Wilson2009-09-233-10/+1
| | | | | | | | | default implementation. Update comment on the default version, which made it sound like most targets override it. Currently only X86 and SystemZ override this method. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82651 91177308-0d34-0410-b5e6-96231b3b80d8
* Delete attached metadata when an instruction is deleted.Devang Patel2009-09-231-0/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82647 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM does not support offset folding (yet). Disable it for now.Anton Korobeynikov2009-09-232-0/+7
| | | | | | This fixes PR5031. Unfortunately, there is no small testcase :( git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82643 91177308-0d34-0410-b5e6-96231b3b80d8
* Edit a comment.Bob Wilson2009-09-231-2/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82641 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not leave behind metadata while cloning an instruction.Devang Patel2009-09-232-0/+163
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82638 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix bug in kill flag updating for post-register-allocation scheduling. When ↵David Goodwin2009-09-231-5/+48
| | | | | | the kill flag of a superreg needs to be cleared because there are one or more subregs live, we instead add implicit-defs of those subregs and leave the kill flag on the superreg. This allows us to end the live-range of the superreg without ending the live-ranges of the subregs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82629 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a struct/class mismatch.Benjamin Kramer2009-09-231-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82622 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR5024. LiveVariables physical register defs should *commit* only after allEvan Cheng2009-09-232-32/+97
| | | | | | | | | of the defs are processed. Also fix a implicit_def propagation bug: a implicit_def of a physical register should be applied to uses of the sub-registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82616 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a obvious logic error.Evan Cheng2009-09-231-15/+15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82610 91177308-0d34-0410-b5e6-96231b3b80d8
* errorstr can be null, don't unconditionally set it. Only report thatChris Lattner2009-09-231-6/+9
| | | | | | | | | "the jit has not been linked in" if the interpreter failed. This fixes a unit test failure. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82601 91177308-0d34-0410-b5e6-96231b3b80d8
* Make EngineBuilder return more error codes, by KS Sreeram.Chris Lattner2009-09-231-13/+22
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82600 91177308-0d34-0410-b5e6-96231b3b80d8
* Give MachineMemOperand an operator<<, factoring out code fromDan Gohman2009-09-234-38/+59
| | | | | | | | | | | | | two different places for printing MachineMemOperands. Drop the virtual from Value::dump and instead give Value a protected virtual hook that can be overridden by subclasses to implement custom printing. This lets printing be more consistent, and simplifies printing of PseudoSourceValue values. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82599 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix X86's unfoldMemoryOperand to properly handle MachineMemOperands.Dan Gohman2009-09-231-1/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82597 91177308-0d34-0410-b5e6-96231b3b80d8
* This is overly constraining with respect to clang.Mike Stump2009-09-231-3/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82591 91177308-0d34-0410-b5e6-96231b3b80d8
* No need to verify that malloc's return type is i8*.Victor Hernandez2009-09-222-11/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82561 91177308-0d34-0410-b5e6-96231b3b80d8
* Use early returns.David Goodwin2009-09-221-59/+61
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82554 91177308-0d34-0410-b5e6-96231b3b80d8
* ... missed hiding a variable for MSVC only.Daniel Dunbar2009-09-221-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82552 91177308-0d34-0410-b5e6-96231b3b80d8
* Hide MSVC specific CRT interaction behind _MSC_VER.Daniel Dunbar2009-09-221-1/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82551 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the GetProcessId() call from Win32/Program.inc, take 2.Mikhail Glushenkov2009-09-221-9/+23
| | | | | | | GetProcessId() was introduced only in Windows XP, and we want to support earlier versions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82548 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix commento.Daniel Dunbar2009-09-221-2/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82544 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a magic LLVM_DISABLE_CRT_DEBUG environment variable which we check in ↵Daniel Dunbar2009-09-221-1/+39
| | | | | | | | RegisterHandler and use to disable the Win32 crash dialogs. These are a major blocker to any kind of automated testing. Also, tweak the 'lit' test runner to set this variable unconditionally. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82537 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR5024. LiveVariables::FindLastPartialDef should return a set of ↵Evan Cheng2009-09-221-6/+22
| | | | | | sub-registers that were defined by the last partial def, not just a single sub-register. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82535 91177308-0d34-0410-b5e6-96231b3b80d8
* Use Compiler.h macro instead of __attribute__.Daniel Dunbar2009-09-221-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82532 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "Get rid of GetProcessId in Win32/Program.inc.", this breaksDaniel Dunbar2009-09-222-22/+43
| | | | | | ExecuteAndWait. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82522 91177308-0d34-0410-b5e6-96231b3b80d8
* Switch FoldingSet::AddString to StringRef based API.Daniel Dunbar2009-09-221-11/+3
| | | | | | - This also fixes a dereference of std::string::end, which makes MSVC unhappy and was causing all the static analyzer clang tests to fail. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82517 91177308-0d34-0410-b5e6-96231b3b80d8
* Workaround what I believe is an MSVC bug where it emits a definition for aDaniel Dunbar2009-09-221-0/+3
| | | | | | | | static const class member into each translation unit, with external linkage??? - If someone understands this issue better, please clue me in, I haven't consulted the standard yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82516 91177308-0d34-0410-b5e6-96231b3b80d8
* Switch DIDescriptor to use a TrackingVH. - This makes it much safer to work ↵Daniel Dunbar2009-09-221-3/+12
| | | | | | with debug info, since it was extraordinarily easy to have dangling pointers thanks to MDNode uniquing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82507 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a TrackingVH value handle.Daniel Dunbar2009-09-221-0/+13
| | | | | | | | | | This is designed for tracking a value even when it might move (like WeakVH), but it is an error to delete the referenced value (unlike WeakVH0. TrackingVH is templated like AssertingVH on the tracked Value subclass, it is an error to RAUW a tracked value to an incompatible type. For implementation reasons the latter error is only diagnosed on accesses to a mis-RAUWed TrackingVH, because we don't want a virtual interface in a templated class. The former error is also only diagnosed on access, so that clients are allowed to delete a tracked value, as long as they don't use it. This makes it easier for the client to reason about destruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82506 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a pasto. Also simplify for Bill's benefit.Evan Cheng2009-09-221-2/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82505 91177308-0d34-0410-b5e6-96231b3b80d8
* Minor bug fix. LowerSubregs should translate Evan Cheng2009-09-221-0/+1
| | | | | | | | | | | %S0<def> = EXTRACT_SUBREG %Q0<kill>, 1 to %S0<def> = IMPLICIT_DEF %Q0<imp-use,kill> Implicit_def does not *read* any register so the operand should be marked "implicit". The missing "implicit" marker on the operand is wrong, but it doesn't actually break anything. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82503 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR5023: The instruction form of DominatorTree::dominates did not Chris Lattner2009-09-211-1/+7
| | | | | | | | | | | take into consideration that the result of an invoke is only valid in the normal dest, not the unwind dest. This caused 'PHINode::hasConstantValue' to return true in an invalid situation, causing mem2reg to delete a phi that was actually needed. This caused a crash building 483.xalancbmk. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82491 91177308-0d34-0410-b5e6-96231b3b80d8
* move DominatorTree::dominates for instructions out of line,Chris Lattner2009-09-211-0/+19
| | | | | | | no functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82490 91177308-0d34-0410-b5e6-96231b3b80d8
* tidy upChris Lattner2009-09-211-18/+17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82489 91177308-0d34-0410-b5e6-96231b3b80d8
* tidy upChris Lattner2009-09-211-7/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82488 91177308-0d34-0410-b5e6-96231b3b80d8
* Clean up spill weight computation. Also some changes to give loop inductionEvan Cheng2009-09-212-60/+101
| | | | | | | | | | | variable increment / decrement slighter high priority. This has major impact on some micro-benchmarks. On MultiSource/Applications and spec tests, it's a minor win. It also reduce 256.bzip instruction count by 8%, 55 on 164.gzip on i386 / Darwin. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82485 91177308-0d34-0410-b5e6-96231b3b80d8
* Add Cortex-A8 VFP model.David Goodwin2009-09-214-99/+370
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82483 91177308-0d34-0410-b5e6-96231b3b80d8
* Change MachineMemOperand's alignment value to be the alignment ofDan Gohman2009-09-214-5/+5
| | | | | | | | the base pointer, without the offset. This matches MemSDNode's new alignment behavior, and holds more interesting information. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82473 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for rematerializing FsFLD0SS and FsFLD0SD as constant-poolDan Gohman2009-09-212-16/+42
| | | | | | | loads in order to reduce register pressure. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82470 91177308-0d34-0410-b5e6-96231b3b80d8
* Recognize SSE min and max opportunities in even more cases.Dan Gohman2009-09-211-37/+119
| | | | | | | | | | | And fix a bug with the behavior of min/max instructions formed from fcmp uge comparisons. Also, use FiniteOnlyFPMath() for this code instead of UnsafeFPMath, as it is more specific. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82466 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the offset values for these memoperands. For frame objects, theDan Gohman2009-09-212-2/+2
| | | | | | | | PseudoSourceValue already effectively represents the offset from the frame base, so the actual offset should not be added to it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82465 91177308-0d34-0410-b5e6-96231b3b80d8
* big endian systems shift by bits too, hopefully this will fix the ppc Chris Lattner2009-09-211-1/+1
| | | | | | | bootstrap problems. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82464 91177308-0d34-0410-b5e6-96231b3b80d8
* Nick pointed out that DominanceFrontier and DominanceTree are preservedDan Gohman2009-09-211-2/+0
| | | | | | | by setPreservesCFG(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82463 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the special-case for constants in PHI nodes; it's not reallyDan Gohman2009-09-211-3/+0
| | | | | | | | helpful, and it didn't correctly handle the case of constants input to PHIs for backedges. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82462 91177308-0d34-0410-b5e6-96231b3b80d8
* fix PR5016, a crash I introduced in GVN handing first classChris Lattner2009-09-211-10/+38
| | | | | | | arrays and structs, which cannot be bitcast to integers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82460 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix this assertion string to mention subreg_to_reg.Dan Gohman2009-09-211-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82455 91177308-0d34-0410-b5e6-96231b3b80d8
* initialize SymbolsCanStartWithDigit to false by defaultNuno Lopes2009-09-211-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82454 91177308-0d34-0410-b5e6-96231b3b80d8
* Update cmake.Xerxes Ranby2009-09-211-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82449 91177308-0d34-0410-b5e6-96231b3b80d8
* Verify that phi instructions refer to MBBs in the CFG.Jakob Stoklund Olesen2009-09-211-7/+8
| | | | | | | The machine code verifier no longer tolerates phi instructions with noop operands. All MBBs on a phi instruction must be in the CFG. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82448 91177308-0d34-0410-b5e6-96231b3b80d8
* enable non-local analysis and PRE of large store -> little load.Chris Lattner2009-09-211-30/+66
| | | | | | | | This doesn't kick in too much because of phi translation issues, but this can be resolved in the future. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82447 91177308-0d34-0410-b5e6-96231b3b80d8
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