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* Inline this into its only caller.Sean Silva2013-01-092-12/+5
| | | | | | | | | | | It's clearer and additionally this gets rid of the usage of `DefmID`, which doesn't really correspond to anything in the language (it was just used in the name of this parsing function which parsed a `MultiClassID` and returned that multiclass's record). This area of the code still needs a lot of work. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171938 91177308-0d34-0410-b5e6-96231b3b80d8
* tblgen: Reuse function that is 2 lines above.Sean Silva2013-01-091-11/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171937 91177308-0d34-0410-b5e6-96231b3b80d8
* fix copy-paste-oSean Silva2013-01-091-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171936 91177308-0d34-0410-b5e6-96231b3b80d8
* docs: Bring TableGen syntax a bit closer to reality.Sean Silva2013-01-091-1/+6
| | | | | | | | | It's not just def's but actually a limited subset of Object's that are allowed inside a multiclass. Spotted by Joel Jones. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171935 91177308-0d34-0410-b5e6-96231b3b80d8
* These functions have default arguments of 0 for the last arg. UseEric Christopher2013-01-098-41/+39
| | | | | | them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171933 91177308-0d34-0410-b5e6-96231b3b80d8
* These functions have default arguments of 0 for the last arg. UseEric Christopher2013-01-096-26/+24
| | | | | | them and add one where it seemed obvious that we wanted one. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171932 91177308-0d34-0410-b5e6-96231b3b80d8
* Cost Model: Move the 'max unroll factor' variable to the TTI and add initial ↵Nadav Rotem2013-01-095-5/+53
| | | | | | Cost Model support on ARM. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171928 91177308-0d34-0410-b5e6-96231b3b80d8
* Add comment to the definition of Constant::isZeroValue(). Shuxin Yang2013-01-091-0/+2
| | | | | | | | | (There already has a concise comment to the declaration.) Thank Eric Christopher for his feedback! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171926 91177308-0d34-0410-b5e6-96231b3b80d8
* Forgot the namespace identifier.Bill Wendling2013-01-091-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171924 91177308-0d34-0410-b5e6-96231b3b80d8
* Add the integer value of the ConstantInt instead of the Constant* value.Bill Wendling2013-01-092-6/+9
| | | | | | | This is causing some problems. The root cause is unknown at this time. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171923 91177308-0d34-0410-b5e6-96231b3b80d8
* Consider expression "0.0 - X" as the negation of X ifShuxin Yang2013-01-094-6/+18
| | | | | | | | - this expression is explicitly marked no-signed-zero, or - no-signed-zero of this expression can be derived from some context. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171922 91177308-0d34-0410-b5e6-96231b3b80d8
* Move the string pools down into the units. No functional change.Eric Christopher2013-01-082-22/+14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171905 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify the code a bit: MCRelaxableFragment doesn't need a separate getInstSizeEli Bendersky2013-01-081-3/+2
| | | | | | | | | | | method because getContents().size() already covers it. So computeFragmentSize can use the generic MCEncodedFragment interface when querying both Data and Relaxable fragments for contents sizes. No change in functionality git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171903 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix memory leak in YAML I/O.Nick Kledzik2013-01-081-9/+32
| | | | | | | | | Stop using BumpPtrAllocator for HNodes because they have fields (vector, map) which require HNode destructors to be run. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171896 91177308-0d34-0410-b5e6-96231b3b80d8
* This patch produces the correct addend value forJack Carter2013-01-081-0/+1
| | | | | | | | | | an R_MIPS_GPREL16 relocation. Contributer: Jack Carter git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171882 91177308-0d34-0410-b5e6-96231b3b80d8
* This patch produces the correct pointer size Jack Carter2013-01-081-0/+4
| | | | | | | | | | | | | | value in the 64 bit .eh_frame section. It doesn't however allow exception handling to work yet since it depends on the correct relocation model being set in the ELF header flags. Contributer: Jack Carter git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171881 91177308-0d34-0410-b5e6-96231b3b80d8
* Pad Short Functions for Intel AtomPreston Gurd2013-01-087-3/+194
| | | | | | | | | | | | | | | | | | | | | | | | | | | The current Intel Atom microarchitecture has a feature whereby when a function returns early then it is slightly faster to execute a sequence of NOP instructions to wait until the return address is ready, as opposed to simply stalling on the ret instruction until the return address is ready. When compiling for X86 Atom only, this patch will run a pass, called "X86PadShortFunction" which will add NOP instructions where less than four cycles elapse between function entry and return. It includes tests. This patch has been updated to address Nadav's review comments - Optimize only at >= O1 and don't do optimization if -Os is set - Stores MachineBasicBlock* instead of BBNum - Uses DenseMap instead of std::map - Fixes placement of braces Patch by Andy Zhang. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171879 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename statistic for instruction fragments -> relaxableEli Bendersky2013-01-081-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171872 91177308-0d34-0410-b5e6-96231b3b80d8
* Code cleanup: refactor the switch statements in the generation of reduction ↵Nadav Rotem2013-01-081-59/+28
| | | | | | variables into an IR builder call. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171871 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename the enum members to match the LLVM coding style.Nadav Rotem2013-01-081-25/+25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171868 91177308-0d34-0410-b5e6-96231b3b80d8
* Add fp128 rtlib function names to LLVMTim Northover2013-01-082-18/+138
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171867 91177308-0d34-0410-b5e6-96231b3b80d8
* Allow the asm printer to print fp128 values properly.Tim Northover2013-01-081-9/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171866 91177308-0d34-0410-b5e6-96231b3b80d8
* Make sure we don't emit instructions before a landingpad instruction.Bill Wendling2013-01-081-1/+6
| | | | | | | PR14782 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171846 91177308-0d34-0410-b5e6-96231b3b80d8
* Sink a function that refers to the SelectionDAG into that library in theChandler Carruth2013-01-082-21/+21
| | | | | | | | | | | | | | one file where it is called as a static function. Nuke the declaration and the definition in lib/CodeGen, along with the include of SelectionDAG.h from this file. There is no dependency edge from lib/CodeGen to lib/CodeGen/SelectionDAG, so it isn't valid for a routine in lib/CodeGen to reference the DAG. There is a dependency from lib/CodeGen/SelectionDAG on lib/CodeGen. This breaks one violation of this layering. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171842 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the llvm-local DW_TAG_vector_type tag and add a test toEric Christopher2013-01-084-8/+8
| | | | | | make sure that vector types do work. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171833 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix comment.Eric Christopher2013-01-081-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171832 91177308-0d34-0410-b5e6-96231b3b80d8
* Split changeset_ty using iterators instead of loops.Lenny Maiorani2013-01-081-6/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171829 91177308-0d34-0410-b5e6-96231b3b80d8
* Mark artificial types as such in the annotated debug output.David Blaikie2013-01-081-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171826 91177308-0d34-0410-b5e6-96231b3b80d8
* Renamed MCInstFragment to MCRelaxableFragment and added some comments.Eli Bendersky2013-01-0810-36/+38
| | | | | | | | No change in functionality. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171822 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove what appears to be a dead llvm-specific debug tag.Eric Christopher2013-01-082-2/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171821 91177308-0d34-0410-b5e6-96231b3b80d8
* Pack MachineOperand bitfields better.Jakob Stoklund Olesen2013-01-071-1/+1
| | | | | | Previously, 4 bits were unused. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171814 91177308-0d34-0410-b5e6-96231b3b80d8
* Pack MachineInstr fields better.Jakob Stoklund Olesen2013-01-071-5/+3
| | | | | | This shrinks MachineInstr to 64 bytes (from 72). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171813 91177308-0d34-0410-b5e6-96231b3b80d8
* LoopVectorizer: Add support for floating point reductionsNadav Rotem2013-01-071-58/+91
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171812 91177308-0d34-0410-b5e6-96231b3b80d8
* Cosmetical changne in order to conform to coding std.Shuxin Yang2013-01-071-5/+6
| | | | | | | Thank Eric Christopher for figuring out these problems! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171805 91177308-0d34-0410-b5e6-96231b3b80d8
* Whitespace and 80-col.Eric Christopher2013-01-072-4/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171804 91177308-0d34-0410-b5e6-96231b3b80d8
* Whitespace and 80-col.Eric Christopher2013-01-073-5/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171803 91177308-0d34-0410-b5e6-96231b3b80d8
* LoopVectorizer: When we vectorizer and widen loops we process many elements ↵Nadav Rotem2013-01-071-3/+15
| | | | | | | | | | | at once. This is a good thing, except for small loops. On small loops post-loop that handles scalars (and runs slower) can take more time to execute than the rest of the loop. This patch disables widening of loops with a small static trip count. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171798 91177308-0d34-0410-b5e6-96231b3b80d8
* Add the align_to_end option to .bundle_lock in the MC implementation of alignedEli Bendersky2013-01-076-17/+66
| | | | | | | | | | bundling. The document describing this feature and the implementation has also been updated: https://sites.google.com/a/chromium.org/dev/nativeclient/pnacl/aligned-bundling-support-in-llvm git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171797 91177308-0d34-0410-b5e6-96231b3b80d8
* This change is to implement following rules:Shuxin Yang2013-01-072-0/+129
| | | | | | | | | | | | o. X/C1 * C2 => X * (C2/C1) (if C2/C1 is neither special FP nor denormal) o. X/C1 * C2 -> X/(C1/C2) (if C2/C1 is either specical FP or denormal, but C1/C2 is a normal Fp) Let MDC denote multiplication or dividion with one & only one operand being a constant o. (MDC ± C1) * C2 => (MDC * C2) ± (C1 * C2) (so long as the constant-folding doesn't yield any denormal or special value) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171793 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixed EOL whitespace.Michael Gottesman2013-01-071-29/+29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171791 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM: Copy-paste error.Jim Grosbach2013-01-071-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171790 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM: Fix a few copy-paste errors.Jim Grosbach2013-01-072-3/+3
| | | | | | s/X86/ARM/ git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171789 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Make sure the NullStreamParser doesn't try to emit labels whenChad Rosier2013-01-071-1/+2
| | | | | | parsing MS-style inline assembly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171784 91177308-0d34-0410-b5e6-96231b3b80d8
* Add more comments to what's going on here.Eric Christopher2013-01-071-1/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171780 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for separating strings for the split debug info DWARF5Eric Christopher2013-01-0711-15/+116
| | | | | | | | | | | | | proposal. This leaves the strings in the skeleton die as strp, but in all dwo files they're accessed now via DW_FORM_GNU_str_index. Add support for dumping these sections and modify the fission-cu.ll testcase to have the correct strings and form. Fix a small bug in the fixed form sizes routine that involved out of array accesses for the table and add a FIXME in the extractFast routine to fix this up. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171779 91177308-0d34-0410-b5e6-96231b3b80d8
* This patch addresses bug 14678 by fixing two problems in medium code modelBill Schmidt2013-01-072-12/+29
| | | | | | | | | | code generation. Variables addressed through a GlobalAlias were not being handled, and variables with available_externally linkage were treated incorrectly. The patch contains two new tests to verify the correct code generation for these cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171778 91177308-0d34-0410-b5e6-96231b3b80d8
* Change SMRange to be half-open (exclusive end) instead of closed (inclusive)Jordan Rose2013-01-077-169/+178
| | | | | | | | | | This is necessary not only for representing empty ranges, but for handling multibyte characters in the input. (If the end pointer in a range refers to a multibyte character, should it point to the beginning or the end of the character in a char array?) Some of the code in the asm parsers was already assuming this anyway. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171765 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement APFloat::isDenormal()Shuxin Yang2013-01-071-0/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171764 91177308-0d34-0410-b5e6-96231b3b80d8
* When code size is the priority (Oz, MinSize attribute), help llvmQuentin Colombet2013-01-072-0/+71
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | turning a code like this: if (foo) free(foo) into that: free(foo) Move a call to free from basic block FB into FB's predecessor, P, when the path from P to FB is taken only if the argument of free is not equal to NULL. Some restrictions apply on P and FB to be sure that this code motion is profitable. Namely: 1. FB must have only one predecessor P. 2. FB must contain only the call to free plus an unconditional branch to S. 3. P's successors are FB and S. Because of 1., we will not increase the code size when moving the call to free from FB to P. Because of 2., FB will be empty after the move. Because of 2. and 3., P's branch instruction becomes useless, so as FB (simplifycfg will do the job). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171762 91177308-0d34-0410-b5e6-96231b3b80d8
* Move TypeFinder.h into the IR tree, it clearly belongs with the IR library.Chandler Carruth2013-01-075-5/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171749 91177308-0d34-0410-b5e6-96231b3b80d8
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