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2008-08-21Elements in DeadNodeSet are checked for use_empty() before theyDan Gohman
are actually deleted, so it's not necessary to remove re-used nodes from the set. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55123 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-21Basic fast-isel support for instructions with constant int operands.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55099 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-21Type of first GEP operand is always the same as the target pointer type.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55097 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-21Use raw_ostream throughout the AsmPrinter.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55092 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-20Fix unused variable warnings.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55089 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-20First cut, un-optimized (and untested) fast isel lowering of GetElementPtrInst.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55085 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-20Simplify the BuildMI calls even more.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55077 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-20Simplify FastISel's constructor argument list, make the FastISelDan Gohman
class hold a MachineRegisterInfo member, and make the MachineBasicBlock be passed in to SelectInstructions rather than the FastISel constructor. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55076 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-20Dump the instruction that foiled ISel even when -debug is not used.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55075 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-20Don't hoist instructions that define a physical register.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55074 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-20Make more use of the BuildMI API.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55072 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-20Minor code reorganization.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55071 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-20Minor whitespace cleanup.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55070 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-20Fix 80 column violation.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55069 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-20Kill off SimpleBBISel, it's replaced by FastISel.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55067 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-20Disable DAGCombine's alignment inference in "fast" codegen mode.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55059 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-20Change the FoldingSetNodeID usage for objects which carryDan Gohman
alignment and volatility information, such as loads and stores, to reduce the number of integer values added to the FoldingSetNodeID. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55058 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-20Use BitVector instead of std::vector<unsigned char>.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55054 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-20Avoid an empty-if-body warning in release builds.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55050 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-20Fix indentation.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55049 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-20Fix FastISel to recognize that the last block in the function doesDan Gohman
not have a fall-through successor. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55033 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-20Fix a leak in the FastISel code that Chris pointed out.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55031 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-20Add support for running SelectionDAG if FastISel fails. This is underDan Gohman
a command-line option, so that the default behavior is an abort, which is useful for exposing code that isn't supported yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55028 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-20Fix FastISel to recognize unhandled operands, such as constantsDan Gohman
that aren't available as virtual registers (for now). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55026 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-20Add FastISel support for floating-point operations.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55021 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-20Add FastISel support for several more binary operators.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55020 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-19Add code to call FastISel, and a command-line option to enable it.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55015 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-19Support unconditional fall-through branches in FastISel.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55014 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-19Allow the fast-path spilling code to attempt folding, but still leaving out ↵Owen Anderson
remat and splitting. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55012 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-19Use the BuildMI overload that sets up a destination registerDan Gohman
instead of the one that doesn't and then adding it manually. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55006 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-19Handle the case where target-specific fastisel code doesn't haveDan Gohman
a desired opcode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55005 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-19The fast-path still needs to set kill markers and spill/restore points as ↵Owen Anderson
appropriate. With this patch, all of MultiSource/Applications and all of SPEC2000/2006 pass with the SimpleSpiller and this fast-path enabled. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55000 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-19Delete a dead field.Gordon Henriksen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54995 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-19[PR2327] Leverage TargetRegisterInfo to compute frame offsets for GC metadata.Gordon Henriksen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54994 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-19don't use the result of WriteTypeSymbolic or WriteAsOperand.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54978 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-19Make SimpleSpiller respect subregister indices.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54968 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-19Add a flag to enable the fast spilling path.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54958 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-18Fix a few more bugs:Owen Anderson
1) Assign stack slots to new temporaries. 2) Don't insert an interval into the return vector more than once. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54956 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-18Fix several bugs in the new fast-path:Owen Anderson
1) Remove an incorrect assertion. 2) Set the stack slot weight properly. 3) Resize the VirtRegMap when needed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54949 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-18Clients of addIntervalForSpills expect the added intervals to be returned ↵Owen Anderson
sorted by starting index. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54939 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-18Simplify the fast-patch interval spilling by using ↵Owen Anderson
MachineRegisterInfo::reg_iterator. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54930 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-18Resurrect some ancient code to add spill ranges without attempting folding, ↵Owen Anderson
remat, or splitting. This code has been updated to current APIs in so far as it compiles and, in theory, works, but does not take advantage of recent advancements. For instance, it could be improved by using MachineRegisterInfo::use_iterator. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54924 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-18Don't hoist instructions that have implicit uses or defines. Before, it wasBill Wendling
hoisting out some "test" and "cmp" instructions. This was obvious badness. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54908 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-17Don't require Registry specializations to define random static variables.Gordon Henriksen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54902 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-17Drop an unnecessary include.Gordon Henriksen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54901 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-17Rename some GC classes so that their roll will hopefully be clearer.Gordon Henriksen
In particular, Collector was confusing to implementors. Several thought that this compile-time class was the place to implement their runtime GC heap. Of course, it doesn't even exist at runtime. Specifically, the renames are: Collector -> GCStrategy CollectorMetadata -> GCFunctionInfo CollectorModuleMetadata -> GCModuleInfo CollectorRegistry -> GCRegistry Function::getCollector -> getGC (setGC, hasGC, clearGC) Several accessors and nested types have also been renamed to be consistent. These changes should be obvious. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54899 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-17Don't instantiate GC metadata for declarations.Gordon Henriksen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54895 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-17Fix merge errorAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54891 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-17Move all assembler printing related stuff into new libAsmPrinterAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54885 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-17Factor out asmprinters from collector interface.Anton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54884 91177308-0d34-0410-b5e6-96231b3b80d8
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