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2012-09-14misched: Generic tablegen classes for the new machine model.Andrew Trick
This is mostly documentation for the new machine model. It is designed to be flexible, easy to incrementally refine for a subtarget, and provide all the information that MachineScheduler will need. If all goes well, I will follow up with an example of the new model in use for ARM. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163877 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-14commentAndrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163876 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-14commentAndrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163875 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-14mips16 fixes.Akira Hatanaka
1. Add MoveR3216 2. Correct spelling for Move32R16 Patch by Reed Kotler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163869 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Patch by Sean Silva!Galina Kistanova
The patch converts the "How to add a builder" document over to reStructuredText.. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163860 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Fix both the test for zero and what we do if we have a zero forEric Christopher
umulo legalization. Fixes PR13839 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163856 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Reformat, remove a couple unused variables and move some variablesEric Christopher
closer to where they're needed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163855 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Assembler: Darwin variables defined via .set are no-dead-strip.Jim Grosbach
For gas compatibility. rdar://12219394 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163854 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13MachO: Correctly mark symbol-difference variables as N_ABS.Jim Grosbach
.set a, b - c + CONSTANT d = b - c + CONSTANT Both 'a' and 'd' should be marked as absolute symbols (N_ABS). rdar://12219394 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163853 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Handle the new !tbaa.struct metadata tags when converting a memcpy into scalarDan Gohman
loads and stores. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163844 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Better const handling for RuntimeDyld and MCJIT.Jim Grosbach
mapSectionAddress() wasn't consistent. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163843 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Fix some code which is invalid in C++11: an expression of enumeration typeRichard Smith
can't be used as a non-type template argument of type bool. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163840 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13AsmWriterEmitter: OpInfo2 should be unsigned 16-bit.Manman Ren
Fix an issue in r163814. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163837 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Fix commentMichael Liao
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163835 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Fix documentation: parameter being documented was removed in r98220.Dmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163834 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Add wider vector/integer support for PR12312Michael Liao
- Enhance the fix to PR12312 to support wider integer, such as 256-bit integer. If more than 1 fully evaluated vectors are found, POR them first followed by the final PTEST. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163832 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Enhance type legalization on bitcast from vector to integerMichael Liao
- Find a legal vector type before casting and extracting element from it. - As the new vector type may have more than 2 elements, build the final hi/lo pair by BFS pairing them from bottom to top. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163830 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Fix test case to avoid PIC magic.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163827 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Fix the TCRETURNmi64 bug differently.Jakob Stoklund Olesen
Add a PatFrag to match X86tcret using 6 fixed registers or less. This avoids folding loads into TCRETURNmi64 using 7 or more volatile registers. <rdar://problem/12282281> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163819 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Extract code for reducing a type to a single value type into a helper function.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163817 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Define an official slot for the new !tbaa.struct metadata tag.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163815 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13AsmWriterEmitter: increase the number of bits for OpcodeInfo from 32-bit toManman Ren
48-bit if necessary, in order to reduce the generated code size. We have 900 cases not covered by OpcodeInfo in ATT AsmWriter and more in Intel AsmWriter and ARM AsmWriter. This patch reduced the clang Release build size by 50k, running on a Mac Pro. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163814 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13mips16: When copying operands in a conditional branch instruction, allow forAkira Hatanaka
immediate operands to be copied. Patch by Reed Kotler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163811 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Revert r163761 "Don't fold indexed loads into TCRETURNmi64."Jakob Stoklund Olesen
The patch caused "Wrong topological sorting" assertions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163810 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13MemCpyOpt: When forming a memset from stores also take GEP constexprs into ↵Benjamin Kramer
account. This is common when storing to global variables. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163809 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Fix an 80 char line limit.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163808 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Rename the flag which protects from escaped allocas, which may come from ↵Nadav Rotem
bugs in user code or in the compiler. Also, dont assert if the protection is not enabled. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163807 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13The current implementation does not allow more than 32 types to be properly ↵Micah Villmow
handled with target lowering. This doubles the size to 64bit types and easily allows extension to more types. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163806 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Unify the emission of the calling conventions into a single function to ↵Micah Villmow
reduce code duplication. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163805 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13This patch introduces A15 as a target in LLVM.Silviu Baranga
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163803 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Fix a dagcombine optimization. The optimization attempts to optimize a ↵Nadav Rotem
bitcast of fneg to integers by xoring the high-bit. This fails if the source operand is a vector because we need to negate each of the elements in the vector. Fix rdar://12281066 PR13813. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163802 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Fix a typo.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163801 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Use Nick's suggestion of storing a large NULL into the GV instead of memset, ↵Bill Wendling
which requires TargetData. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163799 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Stack Coloring: We have code that checks that all of the uses of allocasNadav Rotem
are within the lifetime zone. Sometime legitimate usages of allocas are hoisted outside of the lifetime zone. For example, GEPS may calculate the address of a member of an allocated struct. This commit makes sure that we only check (abort regions or assert) for instructions that read and write memory using stack frames directly. Notice that by allowing legitimate usages outside the lifetime zone we also stop checking for instructions which use derivatives of allocas. We will catch less bugs in user code and in the compiler itself. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163791 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Fix Doxygen issues:Dmitri Gribenko
* wrap code blocks in \code ... \endcode; * refer to parameter names in paragraphs correctly (\arg is not what most people want -- it starts a new paragraph). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163790 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Fix a doxygen issue: these examples are supposed to be displayed preformatted.Dmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163787 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Fix function name in comment.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163783 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Fix typo in comment.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163782 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Add a new compression type to ModRM table that detects when the memory modRM ↵Craig Topper
byte represent 8 instructions and the reg modRM byte represents up to 64 instructions. Reduces modRM table from 43k entreis to 25k entries. Based on a patch from Manman Ren. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163774 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13MCJIT: relocation addends encoded in the target aren't quite so easy.Jim Grosbach
The assumption that the target address for the relocation will always be sizeof(intptr_t) and will always contain an addend for the relocation value is very wrong. Default to no addend for now. rdar://12157052 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163765 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13MCJIT: Make sure to mask off non-type-field bits.Jim Grosbach
When comparing to the macho relocation type enum value, make sure we're only comparing against the bits in the RelType that correspond. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163764 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13MCJIT: Pass the i386 MachO relocation type properly.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163763 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Don't fold indexed loads into TCRETURNmi64.Jakob Stoklund Olesen
We don't have enough GR64_TC registers when calling a varargs function with 6 arguments. Since %al holds the number of vector registers used, only %r11 is available as a scratch register. This means that addressing modes using both base and index registers can't be folded into TCRETURNmi64. <rdar://problem/12282281> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163761 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Introduce the __llvm_gcov_flush function.Bill Wendling
This function writes out the current values of the counters and then resets them. This can be used similarly to the __gcov_flush function to sync the counters when need be. For instance, in a situation where the application doesn't exit. <rdar://problem/12185886> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163757 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-12Recommit, with fixes:Eric Christopher
Add some support for dealing with an object pointer on arguments. Part of rdar://9797999 which now supports adding the object pointer attribute to the subprogram as it should. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163754 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-12Misc.Akira Hatanaka
1. Remove RA from list of allocatable registers 2. Enable d,y,r constraint inline assembly instructions Patch by Reed Kotler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163753 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-12Fix PR11985Michael Liao
- BlockAddress has no support of BA + offset form and there is no way to propagate that offset into machine operand; - Add BA + offset support and a new interface 'getTargetBlockAddress' to simplify target block address forming; - All targets are modified to use new interface and X86 backend is enhanced to support BA + offset addressing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163743 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-12Detect overflow in the path count computation. rdar://12277446.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163739 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-12Remove an overly-aggressive assertion. The code following this assertion ↵Owen Anderson
already knows how to handle the case where DstRC was NULL, so it's not actually protecting us from anything, and this pattern can come up when using unknown_class operands in the SelectionDAG. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163736 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-12Delete dead code.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163735 91177308-0d34-0410-b5e6-96231b3b80d8
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