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2011-06-15Use set operations instead of plain lists to enumerate register classes.Jakob Stoklund Olesen
This simplifies many of the target description files since it is common for register classes to be related or contain sequences of numbered registers. I have verified that this doesn't change the files generated by TableGen for ARM and X86. It alters the allocation order of MBlaze GPR and Mips FGR32 registers, but I believe the change is benign. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133105 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15Update the Clang diagnostic emitter to emit IDs for diagnostic categories.John McCall
Patch by Argyrios Kyrtzidis. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133093 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15Testcase for previous commit.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133089 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15Simplify; no significant functionality change.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133086 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15Fix cmake build.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133085 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15Handle jump tables. Test to follow soon.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133083 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15Try fixing ↵Argyrios Kyrtzidis
http://google1.osuosl.org:8011/builders/clang-i686-freebsd/builds/3548 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133081 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15Add a new function attribute, nonlazybind, which inhibits lazy-loadingJohn McCall
optimizations when emitting calls to the function; instead those calls may use faster relocations which require the function to be immediately resolved upon loading the dynamic object featuring the call. This is useful when it is known that the function will be called frequently and pervasively and therefore there is no merit in delaying binding of the function. Currently only implemented for x86-64, where it turns into a call through the global offset table. Patch by Dan Gohman, who assures me that he's going to add LangRef documentation for this once it's committed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133080 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15Remove unused code.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133078 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15Document ADT/PackedVector.h in "Programmer's Manual" doc.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133077 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15Add unit tests for ADT/PackedVectorArgyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133075 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15Constify PackedVector::reference::operator T().Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133074 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15Diagnostic for undefined assembler local symbols.Jim Grosbach
Re-apply 133010, with fixes for inline assembler. Original commit message: "When an assembler local symbol is used but not defined in a module, a Darwin assembler wants to issue a diagnostic to that effect." Added fix to only perform the check when finalizing, as otherwise we're not done and undefined symbols may simply not have been encountered yet. Passes "make check" and a self-host check on Darwin. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133071 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15Disabling this test until I can figure out the right lit flags.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133068 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15Remove custom allocation orders in SystemZ.Jakob Stoklund Olesen
Note that this actually changes code generation, and someone who understands this target better should check the changes. - R12Q is now allocatable. I think it was omitted from the allocation order by mistake since it isn't reserved. It as apparently used as a GOT pointer sometimes, and it should probably be reserved if that is the case. - The GR64 registers are allocated in a different order now. The register allocator will automatically put the CSRs last. There were other changes to the order that may have been significant. The test fix is because r0 and r1 swapped places in the allocation order. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133067 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15Another revsh pattern. rdar://9609059Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133064 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15Added -stress-sched flag in the Asserts build.Andrew Trick
Added a test case for handling physreg aliases during pre-RA-sched. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133063 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15TargetLoweringOpt is a struct used by DAGCombine, not a pass.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133062 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15Make PPC64CompilationCallback compilable no non-darwin platforms.Roman Divacky
Patch by Nathan Whitehorn! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133059 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15getZeroExtendInReg needs to get a scalar typeNadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133057 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15This test was failing on X86 machines which do not have SSE4. Fixed the test byNadav Rotem
specifying that the target CPU is corei7. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133053 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15Enable the simplification of truncating-store after fixing the usage ofNadav Rotem
GetDemandBits (which must operate on the vector element type). Fix the a usage of getZeroExtendInReg which must also be done on scalar types. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133052 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15Replace the statically generated hashtables for checking register ↵Owen Anderson
relationships with just scanning the (typically tiny) static lists. At the time I wrote this code (circa 2007), TargetRegisterInfo was using a std::set to perform these queries. Switching to the static hashtables was an obvious improvement, but in reality there's no reason to do anything other than scan. With this change, total LLC time on a whole-program 403.gcc is reduced by approximately 1.5%, almost all of which comes from a 15% reduction in LiveVariables time. It also reduces the binary size of LLC by 86KB, thanks to eliminating a bunch of very large static tables. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133051 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15Teach the .ll parser to handle named metadata with non-simple names.Nick Lewycky
Unfortunately we can't follow what the rest of the language does (wrapping it in double-quotes) because that would cause an ambiguity with metadata strings, so instead we escape any unusual characters with \xx escaping. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133050 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15A minor simplification: no functional change.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133047 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15Use a SetTheory instance to expand register lists in register classes.Jakob Stoklund Olesen
This prepares tablegen to compute register lists from set theoretic dag expressions. This doesn't really make any difference as long as Target.td still declares RegisterClass::MemberList as [Register]. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133043 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15Remove the LTO stuff from the profile_rt library's Makefile.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133042 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15Give CodeGenRegisterClass a real sorted member set.Jakob Stoklund Olesen
Make the Elements vector private and expose an ArrayRef through getOrder() instead. getOrder will eventually provide multiple user-specified allocation orders. Use the sorted member set for member and subclass tests. Clean up a lot of ad hoc searches. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133040 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15Improve the heuristic to emit the alias if the number of hard-coded registersBill Wendling
are also greater than the alias. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133038 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15Stop using memdep for a check that didn't really make sense with memdep. In ↵Eli Friedman
terms of specific issues, using memdep here checks irrelevant instructions and won't work properly once we start returning "unknown" more aggressively from memdep. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133035 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15PerformBFICombine - (bfi A, (and B, Mask1), Mask2) -> (bfi A, B, Mask2) iffEvan Cheng
the bits being cleared by the AND are not demanded by the BFI. The previous BFI dag combine rule was actually incorrect (or used to be correct until BFI representation changed). rdar://9609030 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133034 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15add option for literal formatting to APInt::toString()Ted Kremenek
toString() now takes an optional bool argument that, depending on the radix, adds the appropriate prefix to the integer's string representation that makes it into a meaningful C literal, e.g.: hexademical: '-f' becomes '-0xf' octal: '77' becomes '077' binary: '110' becomes '0b110' Patch by nobled@dreamwidth.org! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133032 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15Add "unknown" results for memdep, which mean "I don't know whether a ↵Eli Friedman
dependence for the given instruction exists in the given block". This cleans up all the existing hacks in memdep which represent this concept by returning clobber with various unrelated instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133031 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15Move the list of register classes into CodeGenRegBank as well.Jakob Stoklund Olesen
No functional change intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133029 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-14Add an optimization that looks for a specific pair-wise add pattern and ↵Tanya Lattner
generates a vpaddl instruction instead of scalarizing the add. Includes a test case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133027 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-14Add triple.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133026 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-14Anna's test commit (#2).Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133023 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-14When pattern matching during instruction selection make sure shl x,1 is notChad Rosier
converted to add x,x if x is a undef. add undef, undef does not guarantee that the resulting low order bit is zero. Fixes <rdar://problem/9453156> and <rdar://problem/9487392>. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133022 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-14Check the llc output.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133021 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-14PR10136: fix PPCTargetLowering::LowerCall_SVR4 so that a necessary CopyToReg ↵Eli Friedman
doesn't appear to be dead. Roman, since you're writing tests for other PPC-SVR4 vararg-related stuff, would you mind writing a test for this? git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133018 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-14Anna's test commit.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133017 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-14Test case for x86 MMX inline asm. rdar://problem/8886707Stuart Hastings
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133014 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-14Revert 133010. Self-hosted buildbot unhappy.Jim Grosbach
Apparently llvm itself generates undefined assembler local labels, causing self-hosting problems with this patch. Reverting until that's sorted out. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133013 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-14Diagnostic for undefined assembler local symbols.Jim Grosbach
When an assembler local symbol is used but not defined in a module, a Darwin assembler wants to issue a diagnostic to that effect. rdar://9559714 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133010 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-14Add a test for the recent regression.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133009 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-14Revert r133004 ; it's breaking nightly tests.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133007 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-14Partial revert of 132882.Rafael Espindola
Dan noted that this would work on the case shown on the commit message. I think the case that was failing was a bb ending with a redundant conditional jump: ... jne foo foo: ... I was unable to find any such case in the tests or in a debug build of clang, so I will revert this part of the patch and watch the bots. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133004 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-14Also recognize ARM v4t and v5e variants.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133002 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-14This test is still failing. Delete the rest of it.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133001 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-14Revert r132991. This test is failing on theDan Gohman
llvm-gcc-x86_64-linux-selfhost buildbot and others. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133000 91177308-0d34-0410-b5e6-96231b3b80d8
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