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2011-04-21Don't recycle loop variables.Matt Beaumont-Gay
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129928 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-21Allow allocatable ranges from global live range splitting to be split again.Jakob Stoklund Olesen
These intervals are allocatable immediately after splitting, but they may be evicted because of later splitting. This is rare, but when it happens they should be split again. The remainder intervals that cannot be allocated after splitting still move directly to spilling. SplitEditor::finish can optionally provide a mapping from new live intervals back to the original interval indexes returned by openIntv(). Each original interval index can map to multiple new intervals after connected components have been separated. Dead code elimination may also add existing intervals to the list. The reverse mapping allows the SplitEditor client to treat the new intervals differently depending on the split region they came from. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129925 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-21Fix relative relocations. This is sufficient for running the rust testsuite withRafael Espindola
MC :-) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129923 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-21As per ARM docs, register Dx is described as DW_OP_regx(256+x) in DWARF.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129922 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-21Add comment in output stream.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129921 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-21Revert r1296656, "Fix rdar://9289512 - not folding load into compare at -O0...",Daniel Dunbar
which broke a couple GCC test suite tests at -O0. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129914 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-21PTX: Expand useable register spaceJustin Holewinski
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129913 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-21ptx: fix parameter orderingChe-Liang Chiou
This patch depends on the prior fix r129908 that changes to use std::find, rather than std::binary_search, on unordered array. Patch by Dan Bailey git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129909 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-21ptx: PTXMachineFunctionInfo no longer sort registers and so should not use ↵Che-Liang Chiou
std::binary_search git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129908 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-21In gcov profiling, give all functions an extra unified return block. This isNick Lewycky
necessary since gcov counts transitions between blocks. It can't see if you've run every line in a straight-line function, so we add an edge for it to notice. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129905 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-21Fix think-o: emit all 8 bytes of the EOF marker. Also reflow a line in aNick Lewycky
comment for 80 columns. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129904 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-21Add independent controls for whether GCOV profiling should emit .gcno files orNick Lewycky
instrument the program to emit .gcda. TODO: we should emit slightly different .gcda files when .gcno emission is off. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129903 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-20Structs have elements not parameters. I'm surprised this ever compiled...Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129888 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-20Remove -use-divmod-libcall. Let targets opt in when they are available.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129884 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-20Add debug output for rematerializable instructions.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129883 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-20Permit remat when a virtual register has multiple defs.Jakob Stoklund Olesen
TII::isTriviallyReMaterializable() shouldn't depend on any properties of the register being defined by the instruction. Rematerialization is going to create a new virtual register anyway. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129882 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-20Fix another case of <rdar://problem/9184212> that only occurs with codeCameron Zwarich
generated by llvm-gcc, since llvm-gcc uses 2 i64s for passing a 4 x float vector on ARM rather than an i64 array like Clang. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129878 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-20The bitcast case here is actually handled uniformly earlier in the function, soCameron Zwarich
delete it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129877 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-20Cleanup some code to better use an early return style in preparation for addingCameron Zwarich
more cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129876 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-20Revert r129846; it's breaking a buildbot. SeeEli Friedman
http://google1.osuosl.org:8011/builders/llvm-x86_64-linux-checks/builds/825/steps/test.llvm.stage2/logs/st.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129869 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-20Prefer cheap registers for busy live ranges.Jakob Stoklund Olesen
On the x86-64 and thumb2 targets, some registers are more expensive to encode than others in the same register class. Add a CostPerUse field to the TableGen register description, and make it available from TRI->getCostPerUse. This represents the cost of a REX prefix or a 32-bit instruction encoding required by choosing a high register. Teach the greedy register allocator to prefer cheap registers for busy live ranges (as indicated by spill weight). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129864 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-20Excise unintended hunk in 129858. <rdar://problem/7662569>Stuart Hastings
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129862 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-20ARM byval support. Will be enabled by another patch to the FE. ↵Stuart Hastings
<rdar://problem/7662569> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129858 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-20sys/Host: Change getHostTriple() to return the full Darwin version on OS X.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129852 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-20PTX: Add intrinsics to list of built-in intrinsics, which allows them to beJustin Holewinski
used by Clang. To help Clang integration, the PTX target has been split into two targets: ptx32 and ptx64, depending on the desired pointer size. - Add GCCBuiltin class to all intrinsics - Split PTX target into ptx32 and ptx64 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129851 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-20Behave like gnu as when a relocation crosses sections.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129850 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-20ptx: add integer div and rem instructionChe-Liang Chiou
Patched by Dan Bailey git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129848 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-20ptx: add floating-point comparison to setpChe-Liang Chiou
Patched by Dan Bailey git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129847 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-20ptx: fix parameter orderingChe-Liang Chiou
Patched by Dan Bailey git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129846 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-20This should always be signed chars, so use int8_t. This fixes a miscompile whenNick Lewycky
llvm is built with unsigned chars where an immediate such as 0xff would be zero extended to 64-bits, turning "cmp $0xff,%eax" into "cmp $0xffffffffffffffff,%eax". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129845 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-20Remove unused arguments.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129844 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-20Rewrite the expander for umulo/smulo to remember to sign extend the inputEric Christopher
manually and pass all (now) 4 arguments to the mul libcall. Add a new ExpandLibCall for just this (copied gratuitously from type legalization). Fixes rdar://9292577 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129842 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-20Made the MC disassembler check before accessingSean Callanan
MCInst operands for ARM. This allows it to be more tolerant of malformed MCInsts or incorrect instruction metadata. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129840 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-20ADT/Triple: Renambe isOSX... methods to isMacOSX for consistency with the OSDaniel Dunbar
triple component. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129838 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-19Fix typo in the comment.Johnny Chen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129837 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-19ADT/Triple: Drop support for -osx style triples, we are going with -macosxDaniel Dunbar
instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129836 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-19ADT/Triple: Add support for Triple::MacOSX per feedback from Chris, will removeDaniel Dunbar
Triple::OSX once Clang has moved. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129833 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-19ADT/Triple: Move a variety of clients to using isOSDarwin() and isOSWindows()Daniel Dunbar
predicates. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129816 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-19ADT/Triple: Add isOSDarwin() and isOSWindows() helper functions.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129815 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-19ADT/Triple: Fix Triple::getArchNameForAssembler to support OSX and iOSDaniel Dunbar
enumeration values. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129814 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-19Target/X86: Eliminate uses of getDarwinVers().Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129813 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-19Target/X86: Add getTargetTriple() accessor.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129812 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-19Target/PPC: Kill off DarwinVers, which is now dead.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129811 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-19Target/PPC: Eliminate a use of getDarwinVers().Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129810 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-19Target/PPC: Add a TargetTriple field.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129809 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-19Target: Eliminate a use of getDarwinMajorNumber().Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129803 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-19CodeGen: Eliminate a use of getDarwinMajorNumber().Daniel Dunbar
- There is a minor semantic change here (evidenced by the test change) for Darwin triples that have no version component. I debated changing the default behavior of isOSVersionLT, but decided it made more sense for triples to be explicit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129802 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-19ADT/Triple: Generalize and simplify getDarwinNumber to just be getOSVersion.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129799 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-19ADT/Triple: Add support for more explicit "osx" and "ios" OS names.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129798 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-19Delete unnecessary variable. <rdar://problem/7662569>Stuart Hastings
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129796 91177308-0d34-0410-b5e6-96231b3b80d8
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