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2009-08-11add a trivial line # cache to SourceMgr to make repeated queries toChris Lattner
FindLineNumber much faster when in sequence. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78693 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Make LLVMContext and LLVMContextImpl classes instead of structs.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78690 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Remove some unnecessary LoadInst constructors, missed during Twinification.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78689 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Add some debug output.David Goodwin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78687 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Use isa instead of dyn_cast when the result is only converted to bool.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78685 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11fix GetInstSizeInBytes for eh_sjlj_setjmpJim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78683 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Add convenience functions for creating exact sdiv operators, andDan Gohman
use them in CreatePtrDiff. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78682 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11move some 32-bit instrs to x86instrinfo.tdChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78680 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11This void is implicit in C++.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78678 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Tidy #includes.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78677 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Simplify this code. The case where one class is GR64RegClass and theDan Gohman
other is a subclass of it is effectively handled by the prior tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78676 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Fix a typo in an assertion string.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78671 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Don't assume that external global variables are aligned at their preferredDan Gohman
alignment. Only the minimum alignment guaranteed by the ABI may be assumed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78668 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Remove unnecessary throw() specifications; LLVM doesn't use exceptions.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78667 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Whitespace cleanup. Remove trailing whitespace.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78666 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Move ~ARMConstantPoolValue() to the .cpp file to avoid needing to include ↵Jim Grosbach
<cstdlib> in the header. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78665 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Remove unnecessary casts.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78664 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Add const qualifiers.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78663 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Fix the previous accidental commit. Now shrinking common Thumb2 load / store ↵Evan Cheng
instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78659 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Fix Thumb2 load / store addressing mode matching code. Do not use so_reg form toEvan Cheng
match base only address, i.e. [r] since Thumb2 requires a offset register field. For those, use [r + imm12] where the immediate is zero. Note the generated assembly code does not look any different after the patch. But the bug would have broken the JIT (if there is Thumb2 support) and it can break later passes which expect the address mode to be well-formed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78658 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-1180 column violation.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78657 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Change llvm-c's ordering of contexts to make it consistent.Erick Tryzelaar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78656 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Cosmetic changes.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78655 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Adding a blank line back.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78654 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Link metadata.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78652 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Remove dead metadata.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78651 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Rebuild RegScavenger::DistanceMap each time it is needed.Jakob Stoklund Olesen
The register scavenger maintains a DistanceMap that maps MI pointers to their distance from the top of the current MBB. The DistanceMap is built incrementally in forward() and in bulk in findFirstUse(). It is used by scavengeRegister() to determine which candidate register has the longest unused interval. Unfortunately the DistanceMap contents can become outdated. The first time scavengeRegister() is called, the DistanceMap is filled to cover the MBB. If then instructions are inserted in the MBB (as they always are following scavengeRegister()), the recorded distances are too short. This causes bad behaviour in the included test case where a register use /after/ the current position is ignored because findFirstUse() thinks is is /before/ the current position. A "using an undefined register" assertion follows promptly. The fix is to build a fresh DistanceMap at the top of scavengeRegister(), and discard it after use. This means that DistanceMap is no longer needed as a RegScavenger member variable, and forward() doesn't need to update it. The fix then discloses issue number two in the same test case: The candidate search in scavengeRegister() finds a CSR that has been saved in the prologue, but is currently unused. It would be both inefficient and wrong to spill such a register in the emergency spill slot. In the present case, the emergency slot restore is placed immediately before the normal epilogue restore, leading to a "Redefining a live register" assertion. Fix number two: When scavengerRegister() stumbles upon an unused register that is overwritten later in the MBB, return that register early. It is important to verify that the register is defined later in the MBB, otherwise it might be an unspilled CSR. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78650 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Fix a -Asserts warning.Daniel Dunbar
- Since the function is never called in NDEBUG mode, just dropped the DEBUG() uses here. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78649 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Use vAny type to get rid of Neon intrinsics that differed only in whetherBob Wilson
the overloaded vector types allowed floating-point or integer vector elements. Most of these operations actually depend on the element type, so bitcasting was not an option. If you include the vpadd intrinsics that I updated earlier, this gets rid of 20 intrinsics. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78646 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11llvm-mc/X86: Parse '*' correctly (in the way the matcher expects).Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78642 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Fixed more problems caused by 78142.Sanjiv Gupta
Passing of indirect arguments starts after return value on the callee's frame. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78635 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Replace DOUT.David Goodwin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78634 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Use new EVT::vAny type to combine Neon intrinsics for VPADD.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78632 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Add a new overloaded EVT::vAny type for use in TableGen to allow intrinsicBob Wilson
arguments that are vectors of any size and element type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78631 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Added the x86 INT instructions; both the special-case INT 3 and the general-caseSean Callanan
INT i8. These instructions are only for interpretation by disassemblers, not for emission, so they do not as yet have patterns. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78630 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Fix bug in NEON convert for single-precision FP. This also fixes the tblgen ↵David Goodwin
warnings. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78629 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Add stdlib.hJim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78627 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11SjLj based exception handling unwinding support. This patch is nasty, brutishJim Grosbach
and short. Well, it's kinda short. Definitely nasty and brutish. The front-end generates the register/unregister calls into the SjLj runtime, call-site indices and landing pad dispatch. The back end fills in the LSDA with the call-site information provided by the front end. Catch blocks are not yet implemented. Built on Darwin and verified no llvm-core "make check" regressions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78625 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-10Enable Thumb2 instruction shrinking (32-bit to 16-bit) pass. Convert a bunch ↵Evan Cheng
of thumb2 tests to FileCheck. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78622 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-10Modified VNInfo. The "copy" member is now a union which holds the copy for a ↵Lang Hames
register interval, or the defining register for a stack interval. Access is via getCopy/setCopy and getReg/setReg. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78620 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-10Fix a bug in the DAGCombiner's handling of multiple linkedDan Gohman
MERGE_VALUES nodes. Replacing the result values with the operands in one MERGE_VALUES node may cause another MERGE_VALUES node be CSE'd with the first one, and bring its uses along, so that the first one isn't dead, as this code expects. Fix this by iterating until the node is really dead. This fixes PR4699. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78619 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-10Fix a bug where DAGCombine was producing an illegal ConstantFPDan Gohman
node after legalize, and remove the workaround code from the ARM backend. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78615 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-10Remove MDNode from ValueMap when MDNode is destroyed.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78612 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-10Rename MVT to EVT, in preparation for splitting SimpleValueType out into its ↵Owen Anderson
own struct type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78610 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-10Whitespace, 80-column, and isTwoAddress -> Constraints = "" changes.Eric Christopher
No functional change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78608 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-10Rename MDNodeSet as MDNodes.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78607 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-10Use NEON for single-precision int<->FP conversions.David Goodwin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78604 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-10Do not rely on magic "llvm.dbg.*" global variable name to find debug info.Devang Patel
PIC16 developers, please verify. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78603 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-10Keep track of DIType.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78602 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-10Remove a bunch of debugging code that was slowing PBQP down by 25% or so.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78601 91177308-0d34-0410-b5e6-96231b3b80d8