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* Fix loop conditionals (MO.isDef() asserts that it's a reg) andEric Christopher2010-08-20
| | | | | | | move some constraints around. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111594 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a couple of random comments.Eric Christopher2010-08-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111592 91177308-0d34-0410-b5e6-96231b3b80d8
* Better handling of offsets on frame index references. rdar://8277890Jim Grosbach2010-08-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111585 91177308-0d34-0410-b5e6-96231b3b80d8
* Add Thumb1 support for virtual frame indices.Jim Grosbach2010-08-19
| | | | | | | | rdar://8277890 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111533 91177308-0d34-0410-b5e6-96231b3b80d8
* Silence warning.Eric Christopher2010-08-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111518 91177308-0d34-0410-b5e6-96231b3b80d8
* fix PR7465, mishandling of lcall and ljmp: intersegment long Chris Lattner2010-08-19
| | | | | | | call and jumps. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111496 91177308-0d34-0410-b5e6-96231b3b80d8
* minor progress towards fixing PR7465Chris Lattner2010-08-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111494 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an AddOptionalDefs method and use it.Eric Christopher2010-08-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111489 91177308-0d34-0410-b5e6-96231b3b80d8
* Add the "isCompare" attribute to the defm instead of each individual instr.Bill Wendling2010-08-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111481 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't call Predicate_* in Mips.Jakob Stoklund Olesen2010-08-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111468 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove extra header.Eric Christopher2010-08-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111456 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable ARM base register reuse to local stack slot allocation. Whenever a newJim Grosbach2010-08-18
| | | | | | | | | | | frame index reference to an object in the local block is seen, check if it's near enough to any previously allocaated base register to re-use. rdar://8277890 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111443 91177308-0d34-0410-b5e6-96231b3b80d8
* Minor simplification. Gets rid of a needless temporary.Bill Wendling2010-08-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111430 91177308-0d34-0410-b5e6-96231b3b80d8
* Marked with ATTRIBUTE_USED so that clang doesn't complain.Bill Wendling2010-08-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111383 91177308-0d34-0410-b5e6-96231b3b80d8
* Add hook for re-using virtual base registers for local stack slot access.Jim Grosbach2010-08-18
| | | | | | | | | | | | Nothing fancy, just ask the target if any currently available base reg is in range for the instruction under consideration and use the first one that is. Placeholder ARM implementation simply returns false for now. ongoing saga of rdar://8277890 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111374 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a bug with insertelement on SPU. Kalle Raiskila2010-08-18
| | | | | | | | The previous algorithm in LowerVECTOR_SHUFFLE didn't check all requirements for "monotonic" shuffles. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111361 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove all traces of v2[i,f]32 on SPU. Kalle Raiskila2010-08-18
| | | | | | | | | The "half vectors" are now widened to full size by the legalizer. The only exception is in parameter passing, where half vectors are expanded. This causes changes to some dejagnu tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111360 91177308-0d34-0410-b5e6-96231b3b80d8
* Change SPU C calling convention to match that described in Kalle Raiskila2010-08-18
| | | | | | | | | "SPU Application Binary Interface Specification, v1.9" by IBM. Specifically: use r3-r74 to pass parameters and the return value. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111358 91177308-0d34-0410-b5e6-96231b3b80d8
* remove some dead code.Chris Lattner2010-08-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111345 91177308-0d34-0410-b5e6-96231b3b80d8
* remove some code that is dead now that lea's are modeled with segment registers.Chris Lattner2010-08-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111343 91177308-0d34-0410-b5e6-96231b3b80d8
* Expand ZERO_EXTEND operations for NEON vector types.Bob Wilson2010-08-18
| | | | | | | Testcase from Nick Lewycky. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111341 91177308-0d34-0410-b5e6-96231b3b80d8
* Add materialization of virtual base registers for frame indices allocated intoJim Grosbach2010-08-17
| | | | | | | | | | | | | | | the local block. Resolve references to those indices to a new base register. For simplification and testing purposes, a new virtual base register is allocated for each frame index being resolved. The result is truly horrible, but correct, code that's good for exercising the new code paths. Next up is adding thumb1 support, which should be very simple. Following that will be adding base register re-use and implementing a reasonable ARM heuristic for when a virtual base register should be generated at all. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111315 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert part of one of the prev. patches - tailjmp will follow later.Anton Korobeynikov2010-08-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111291 91177308-0d34-0410-b5e6-96231b3b80d8
* More fixes for win64:Anton Korobeynikov2010-08-17
| | | | | | | | - Do not clobber al during variadic calls, this is AMD64 ABI-only feature - Emit wincall64, where necessary Patch by Cameron Esfahani! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111289 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable more win64 calls folding opportunities.Anton Korobeynikov2010-08-17
| | | | | | Patch by Cameron Esfahani! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111288 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't call tablegen'ed Predicate_* functions in the ARM target.Jakob Stoklund Olesen2010-08-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111277 91177308-0d34-0410-b5e6-96231b3b80d8
* 80 column cleanup.Jim Grosbach2010-08-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111266 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't call Predicate_* methods directly from Sparc target.Jakob Stoklund Olesen2010-08-17
| | | | | | | | | Modernize predicates a bit. The Predicate_* methods are not used by TableGen any longer. They are only emitted for the sake of legacy code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111263 91177308-0d34-0410-b5e6-96231b3b80d8
* Add hook to examine an instruction referencing a frame index to determineJim Grosbach2010-08-17
| | | | | | | | | | | | | | | | | whether to allocate a virtual frame base register to resolve the frame index reference in it. Implement a simple version for ARM to aid debugging. In LocalStackSlotAllocation, scan the function for frame index references to local frame indices and ask the target whether to allocate virtual frame base registers for any it encounters. Purely infrastructural for debug output. Next step is to actually allocate base registers, then add intelligent re-use of them. rdar://8277890 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111262 91177308-0d34-0410-b5e6-96231b3b80d8
* explicitly handle no-op cases for clarity. Fixes clang warning.Jim Grosbach2010-08-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111260 91177308-0d34-0410-b5e6-96231b3b80d8
* Change ARM PKHTB and PKHBT instructions to use a shift_imm operand to avoidBob Wilson2010-08-17
| | | | | | | | printing "lsl #0". This fixes the remaining parts of pr7792. Make corresponding changes for encoding/decoding these instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111251 91177308-0d34-0410-b5e6-96231b3b80d8
* fix emacs language spec's, patch by Edmund Grimley-Evans!Chris Lattner2010-08-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111241 91177308-0d34-0410-b5e6-96231b3b80d8
* Allow more cases of undef shuffle indices and add tests for them.Bob Wilson2010-08-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111226 91177308-0d34-0410-b5e6-96231b3b80d8
* Copy over some overridden MI wrappers for ARM fast-isel. This is whereEric Christopher2010-08-17
| | | | | | | we're adding predicates and optional defs to the MachineInstrs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111222 91177308-0d34-0410-b5e6-96231b3b80d8
* Make arm fast-isel possible to enable via command line.Eric Christopher2010-08-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111219 91177308-0d34-0410-b5e6-96231b3b80d8
* Ignore undef shuffle indices when checking for a VTRN shuffle. Radar 8290937.Bob Wilson2010-08-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111208 91177308-0d34-0410-b5e6-96231b3b80d8
* Generalize a pattern for PKHTB: an SRL of 16-31 bits will guaranteeBob Wilson2010-08-16
| | | | | | | that the high halfword is zero. The shift need not be exactly 16 bits. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111196 91177308-0d34-0410-b5e6-96231b3b80d8
* Comment out some broken/unused/useless instructions which mess up disassembly.Eli Friedman2010-08-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111185 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't attempt to SimplifyShortMoveForm in 64-bit mode.Eli Friedman2010-08-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111182 91177308-0d34-0410-b5e6-96231b3b80d8
* Hookup ELF support for X86.Matt Fleming2010-08-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111173 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename sat_shift operand to shift_imm, in preparation for using it for otherBob Wilson2010-08-16
| | | | | | | instructions besides saturate instructions. No functional changes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111168 91177308-0d34-0410-b5e6-96231b3b80d8
* Partially revert r111155. It looks like MSVC is calling an operator<() thatJakob Stoklund Olesen2010-08-16
| | | | | | clang says is unused. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111167 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unused functions.Jakob Stoklund Olesen2010-08-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111155 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unused code.Bob Wilson2010-08-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111154 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r111082. No warnings for this common pattern.Argyrios Kyrtzidis2010-08-15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111102 91177308-0d34-0410-b5e6-96231b3b80d8
* Rework how the non-sse2 memory barrier is lowered so that theEric Christopher2010-08-14
| | | | | | | | | encoding is correct for the built-in assembler. Based on a patch from Chris. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111083 91177308-0d34-0410-b5e6-96231b3b80d8
* Add ATTRIBUTE_UNUSED to methods that are not supposed to be used.Argyrios Kyrtzidis2010-08-14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111082 91177308-0d34-0410-b5e6-96231b3b80d8
* improve indentationChris Lattner2010-08-14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111073 91177308-0d34-0410-b5e6-96231b3b80d8
* T2I_rbin_irs rr variant is for disassembly only, so don't provide a pattern.Bob Wilson2010-08-14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111068 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a Thumb2 t2RSBrr instruction for disassembly only.Bob Wilson2010-08-13
| | | | | | | This fixes another part of PR7792. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111057 91177308-0d34-0410-b5e6-96231b3b80d8
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