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* Merge with LLVM upstream r155090.Shih-wei Liao2012-04-2417-427/+1263
|\ | | | | | | | | | | | | Conflicts: lib/Support/Unix/PathV2.inc Change-Id: I7b89833849f6cbcfa958a33a971d0f7754c9cb2c
| * Fix typo.Jim Grosbach2012-04-181-1/+1
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155075 91177308-0d34-0410-b5e6-96231b3b80d8
| * Revert "Replace some uses of std:map<std::string,...> with StringMap."Jim Grosbach2012-04-181-6/+6
| | | | | | | | | | | | | | StringMap iterators are not deterministic, and that's more important here than speed or memory. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155039 91177308-0d34-0410-b5e6-96231b3b80d8
| * tblgen: remove duplicated newlines.Benjamin Kramer2012-04-183-6/+6
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155038 91177308-0d34-0410-b5e6-96231b3b80d8
| * Replace some uses of std:map<std::string,...> with StringMap.Jim Grosbach2012-04-181-6/+6
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155037 91177308-0d34-0410-b5e6-96231b3b80d8
| * Use SmallVector for the requirements on an InstAlias.Jim Grosbach2012-04-181-1/+1
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155034 91177308-0d34-0410-b5e6-96231b3b80d8
| * Tidy up. Formatting.Jim Grosbach2012-04-181-2/+3
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155032 91177308-0d34-0410-b5e6-96231b3b80d8
| * Move a few more warnings to use PrintWarning().Jim Grosbach2012-04-182-7/+9
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155027 91177308-0d34-0410-b5e6-96231b3b80d8
| * Tidy up. No need for a Twine here, as it's just constants.Jim Grosbach2012-04-181-4/+4
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155026 91177308-0d34-0410-b5e6-96231b3b80d8
| * Formatting.Jim Grosbach2012-04-181-3/+2
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155025 91177308-0d34-0410-b5e6-96231b3b80d8
| * Tidy up. Add a '.' at the end of the sentence.Jim Grosbach2012-04-181-1/+1
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155024 91177308-0d34-0410-b5e6-96231b3b80d8
| * Clean up warning text. Remove extraneous prefix.Jim Grosbach2012-04-181-4/+4
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155015 91177308-0d34-0410-b5e6-96231b3b80d8
| * TableGen use PrintWarning rather than fprintf(stderr,...) for warnings.Jim Grosbach2012-04-181-12/+13
| | | | | | | | | | | | That way we get source line number information from the diagnostics. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155014 91177308-0d34-0410-b5e6-96231b3b80d8
| * Fixed decoding for the ARM cdp2 instruction. The restriction on the ↵Silviu Baranga2012-04-181-0/+1
| | | | | | | | | | | | coprocessor number was removed for this instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155000 91177308-0d34-0410-b5e6-96231b3b80d8
| * Sanity check error handling for TokenAlias.Jim Grosbach2012-04-171-0/+3
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154951 91177308-0d34-0410-b5e6-96231b3b80d8
| * Tidy up. 80 columns.Jim Grosbach2012-04-171-7/+9
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154881 91177308-0d34-0410-b5e6-96231b3b80d8
| * Fix target specific intrinsic handling to adjust intrinsic number before ↵Craig Topper2012-04-131-9/+15
| | | | | | | | | | | | doing attribute table lookup. Also fix attribute table lookup to handle 'invalid' intrinsic correctly. Fixes PR12542 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154658 91177308-0d34-0410-b5e6-96231b3b80d8
| * Remove incorrect comment.Jim Grosbach2012-04-111-1/+1
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154533 91177308-0d34-0410-b5e6-96231b3b80d8
| * Tidy up. Remove hard tab characters.Jim Grosbach2012-04-111-28/+28
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154532 91177308-0d34-0410-b5e6-96231b3b80d8
| * Tidy up. Whitespace.Jim Grosbach2012-04-112-5/+5
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154531 91177308-0d34-0410-b5e6-96231b3b80d8
| * TableGen's regpressure: emit per-registerclass weight limits.Andrew Trick2012-04-113-27/+38
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154518 91177308-0d34-0410-b5e6-96231b3b80d8
| * TableGen'd regpressure: register unit set pruning.Andrew Trick2012-04-111-18/+14
| | | | | | | | | | | | | | The pruning is more complete if it is not done incrementally. The code is also a tad less convluted. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154510 91177308-0d34-0410-b5e6-96231b3b80d8
| * Tablegen'd regpressure: emit the weighted pressure limit.Andrew Trick2012-04-111-1/+7
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154477 91177308-0d34-0410-b5e6-96231b3b80d8
| * Table-generated register pressure fixes.Andrew Trick2012-04-111-24/+47
| | | | | | | | | | | | | | Handle mixing allocatable and unallocatable register gracefully. Simplify the pruning of register unit sets. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154474 91177308-0d34-0410-b5e6-96231b3b80d8
| * TableGen/reginfo potential bug: typo from previous checkin.Andrew Trick2012-04-101-1/+1
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154452 91177308-0d34-0410-b5e6-96231b3b80d8
| * Fix for register pressure tables.Andrew Trick2012-04-101-13/+15
| | | | | | | | | | | | Recent refactoring introduced a bug. Fix: added buildRegUnitSets. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154382 91177308-0d34-0410-b5e6-96231b3b80d8
| * Use std::includes instead of my own implementation.Andrew Trick2012-04-101-9/+2
| | | | | | | | | | | | Jakob's review. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154377 91177308-0d34-0410-b5e6-96231b3b80d8
| * Added register unit sets to the target description.Andrew Trick2012-04-104-0/+292
| | | | | | | | | | | | | | | | | | | | This is a new algorithm that finds sets of register units that can be used to model registers pressure. This handles arbitrary, overlapping register classes. Each register class is associated with a (small) list of pressure sets. These are the dimensions of pressure affected by the register class's liveness. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154374 91177308-0d34-0410-b5e6-96231b3b80d8
| * Added register unit weights to the target description.Andrew Trick2012-04-102-19/+352
| | | | | | | | | | | | | | | | | | | | | | | | This is a new algorithm that associates registers with weighted register units to accuretely model their effect on register pressure. This handles registers with multiple overlapping subregisters. It is possible, but almost inconceivable that the algorithm fails to find an exact solution for a target description. If an exact solution cannot be found, an inexact, but reasonable solution will be chosen. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154373 91177308-0d34-0410-b5e6-96231b3b80d8
| * Fix header commentAndrew Trick2012-04-101-2/+2
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154372 91177308-0d34-0410-b5e6-96231b3b80d8
| * Convert assert(false) followed by a return to llvm_unreachableCraig Topper2012-04-041-2/+1
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153997 91177308-0d34-0410-b5e6-96231b3b80d8
| * Tidy up spacing in some tablegen outputs.Craig Topper2012-04-032-11/+9
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153937 91177308-0d34-0410-b5e6-96231b3b80d8
| * Add support for AVX enhanced comparison predicates. Patch from Kay Tiong Khoo.Craig Topper2012-04-032-0/+3
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153935 91177308-0d34-0410-b5e6-96231b3b80d8
| * Cleanup set_union usage. The same thing but a bit cleaner now.Andrew Trick2012-04-031-1/+1
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153922 91177308-0d34-0410-b5e6-96231b3b80d8
| * Use std::set_union instead of nasty custom code.Andrew Trick2012-04-031-13/+3
| | | | | | | | | | | | | | I just noticed Jakob's examples of the proper application of std::set... routines. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153918 91177308-0d34-0410-b5e6-96231b3b80d8
| * Second part for the 153874 oneSilviu Baranga2012-04-021-3/+3
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153875 91177308-0d34-0410-b5e6-96231b3b80d8
| * Emit the asm writer's mnemonic table with SequenceToOffsetTable.Benjamin Kramer2012-04-021-6/+21
| | | | | | | | | | | | This way we can get AVX v-prefixed instructions tail merged with the normal insns. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153869 91177308-0d34-0410-b5e6-96231b3b80d8
| * Reorder fields in MatchEntry and OperandMatchEntry to reduce padding. A bit ↵Craig Topper2012-04-021-24/+25
| | | | | | | | | | | | tricky due to the target specific sizes for some of the fields so the ordering is only optimal for the targets in the tree. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153865 91177308-0d34-0410-b5e6-96231b3b80d8
| * Remove getInstructionName from MCInstPrinter implementations in favor of ↵Craig Topper2012-04-022-50/+0
| | | | | | | | | | | | using the instruction name table from MCInstrInfo. Reduces static data in the InstPrinter implementations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153863 91177308-0d34-0410-b5e6-96231b3b80d8
| * Use SequenceToOffsetTable to generate instruction name table for AsmWriter.Craig Topper2012-04-021-25/+27
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153857 91177308-0d34-0410-b5e6-96231b3b80d8
| * Use SequenceToOffsetTable to create instruction name table. Saves space ↵Craig Topper2012-04-011-9/+16
| | | | | | | | | | | | particularly on X86 where AVX instructions just add a 'v' to the front of other instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153841 91177308-0d34-0410-b5e6-96231b3b80d8
| * Emit the LLVM<->DWARF register mapping as a sorted table and use binary ↵Benjamin Kramer2012-04-012-43/+146
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | search to do the lookup. This also avoids emitting the information twice, which led to code bloat. On i386-linux-Release+Asserts with all targets built this change shaves a whopping 1.3 MB off clang. The number is probably exaggerated by recent inliner changes but the methods were already enormous with the old inline cost computation. The DWARF reg -> LLVM reg mapping doesn't seem to have holes in it, so it could be a simple lookup table. I didn't implement that optimization yet to avoid potentially changing functionality. There is still some duplication both in tablegen and the generated code that should be cleaned up eventually. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153837 91177308-0d34-0410-b5e6-96231b3b80d8
| * comment typoAndrew Trick2012-03-311-1/+1
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153796 91177308-0d34-0410-b5e6-96231b3b80d8
| * Introduce Register Units: Give each leaf register a number.Andrew Trick2012-03-312-0/+60
| | | | | | | | | | | | | | | | First small step toward modeling multi-register multi-pressure. In the future, register units can also be used to model liveness and aliasing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153794 91177308-0d34-0410-b5e6-96231b3b80d8
| * Rip out emission of the regIsInRegClass function for the asm printer.Benjamin Kramer2012-03-302-68/+3
| | | | | | | | | | | | It's slow, bloated and completely redundant with MCRegisterClass::contains. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153782 91177308-0d34-0410-b5e6-96231b3b80d8
| * Use SequenceToOffsetTable in emitRegisterNameString.Jakob Stoklund Olesen2012-03-302-8/+28
| | | | | | | | | | | | This allows suffix sharing in register names. (AX is a suffix of EAX). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153777 91177308-0d34-0410-b5e6-96231b3b80d8
| * Reapply 153764 and 153761 with a fix.Jakob Stoklund Olesen2012-03-302-103/+80
| | | | | | | | | | | | | | | | | | Use an explicit comparator instead of the default. The sets are sorted, but not using the default comparator. Hopefully, this will unbreak the Linux builders. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153772 91177308-0d34-0410-b5e6-96231b3b80d8
| * Revert 153764 and 153761. They broke a --enable-optimized --enable-assertionsRafael Espindola2012-03-302-79/+103
| | | | | | | | | | | | --enable-expensive-checks build. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153771 91177308-0d34-0410-b5e6-96231b3b80d8
| * Compress SimpleValueType lists by sharing.Jakob Stoklund Olesen2012-03-302-22/+17
| | | | | | | | | | | | Many register classes have the same value types. Share the table space. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153764 91177308-0d34-0410-b5e6-96231b3b80d8
| * Compress register lists by sharing suffixes.Jakob Stoklund Olesen2012-03-301-81/+62
| | | | | | | | | | | | | | | | TableGen emits lists of sub-registers, super-registers, and overlaps. Put them all in a single table and use a SequenceToOffsetTable to share suffixes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153761 91177308-0d34-0410-b5e6-96231b3b80d8
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