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2012-10-18[ms-inline asm] Move most of the AsmParsing logic in clang back into the MCChad Rosier
layer. Add the ParseMSInlineAsm() function, which is the new interface to clang. Also expose the new MCAsmParserSemaCallback interface, which is used by the back-end to do name lookup in Sema. Finally, remove the now defunct APIs introduced in r165946. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166183 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18Introduce a BarrierNoop pass, a hack designed to allow *some* controlChandler Carruth
over the implicitly-formed-and-nesting CGSCC pass manager and function pass managers, especially when using them on the opt commandline or using extension points in the module builder. The '-barrier' opt flag (or the pass itself) will create a no-op module pass in the pipeline, resetting the pass manager stack, and allowing the creation of a new pipeline of function passes or CGSCC passes to be created that is independent from any previous pipelines. For example, this can be used to test running two CGSCC passes in independent CGSCC pass managers as opposed to in the same CGSCC pass manager. It also allows us to introduce a further hack into the PassManagerBuilder to separate the O0 pipeline extension passes from the always-inliner's CGSCC pass manager, which they likely do not want to participate in... At the very least none of the Sanitizer passes want this behavior. This fixes a bug with ASan at O0 currently, and I'll commit the ASan test which covers this pass. I'm happy to add a test case that this pass exists and works, but not sure how much time folks would like me to spend adding test cases for the details of its behavior of partition pass managers.... The whole thing is just vile, and mostly intended to unblock ASan, so I'm hoping to rip this all out in a brave new pass manager world. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166172 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18Temporarily revert the TargetTransform changes.Bob Wilson
The TargetTransform changes are breaking LTO bootstraps of clang. I am working with Nadav to figure out the problem, but I am reverting it for now to get our buildbots working. This reverts svn commits: 165665 165669 165670 165786 165787 165997 and I have also reverted clang svn 165741 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166168 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-17Switch MRI::UsedPhysRegs to a register unit bit vector.Jakob Stoklund Olesen
This is a more compact, less redundant representation, and it avoids scanning long lists of aliases for ARM D-registers, for example. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166124 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-17Add a really faster pre-RA scheduler (-pre-RA-sched=linearize). It doesn't useEvan Cheng
any scheduling heuristics nor does it build up any scheduling data structure that other heuristics use. It essentially linearize by doing a DFA walk but it does handle glues correctly. IMPORTANT: it probably can't handle all the physical register dependencies so it's not suitable for x86. It also doesn't deal with dbg_value nodes right now so it's definitely is still WIP. rdar://12474515 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166122 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-17Merge MRI::isPhysRegOrOverlapUsed() into isPhysRegUsed().Jakob Stoklund Olesen
All callers of these functions really want the isPhysRegOrOverlapUsed() functionality which also checks aliases. For historical reasons, targets without register aliases were calling isPhysRegUsed() instead. Change isPhysRegUsed() to also check aliases, and switch all isPhysRegOrOverlapUsed() callers to isPhysRegUsed(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166117 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-17Add a loop vectorizer.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166112 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-17misched: Better handling of invalid latencies in the machine modelAndrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166107 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-17Remove LLVM_DELETED_FUNCTION from destructors that override non-deleted base ↵Craig Topper
class destructors. This isn't legal by the C++11 standard and clang now checks for it. Curiously gcc didn't catch this, possibly because of the template usage. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166089 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-17Use a SparseSet instead of a BitVector for UsedInInstr in RAFast.Jakob Stoklund Olesen
This is just as fast, and it makes it possible to avoid leaking the UsedPhysRegs BitVector implementation through MachineRegisterInfo::addPhysRegsUsed(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166083 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-16Merge commit '320db3f8052c9f506d9ea043ba5da534df40aa08'Derek Schuff
2012-10-16Spacing.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166074 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-16[ms-inline asm] Add the helper function, isParseringInlineAsm(). To be used ↵Chad Rosier
in a future commit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166054 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-16And now we can call the other 'get' method from this one and not duplicate ↵Bill Wendling
the code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166037 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-16Use the appropriate Attributes::get method to create an Attributes object.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166035 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-16Speculative fix the mask constants to be of type uintptr_t. I don't know of ↵Owen Anderson
any case where the old form was incorrect, but I'm more confident that such cases don't exist in this version. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166031 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-16Fix function parameter spelling in comments. Caught by -Wdocumentation.Dmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166024 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-16Issue:Stepan Dyatkovskiy
Stack is formed improperly for long structures passed as byval arguments for EABI mode. If we took AAPCS reference, we can found the next statements: A: "If the argument requires double-word alignment (8-byte), the NCRN (Next Core Register Number) is rounded up to the next even register number." (5.5 Parameter Passing, Stage C, C.3). B: "The alignment of an aggregate shall be the alignment of its most-aligned component." (4.3 Composite Types, 4.3.1 Aggregates). So if we have structure with doubles (9 double fields) and 3 Core unused registers (r1, r2, r3): caller should use r2 and r3 registers only. Currently r1,r2,r3 set is used, but it is invalid. Callee VA routine should also use r2 and r3 regs only. All is ok here. This behaviour is guessed by rounding up SP address with ADD+BFC operations. Fix: Main fix is in ARMTargetLowering::HandleByVal. If we detected AAPCS mode and 8 byte alignment, we waste odd registers then. P.S.: I also improved LDRB_POST_IMM regression test. Since ldrb instruction will not generated by current regression test after this patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166018 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-16Cleanup whitespace.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166016 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-16Fix a bug in the set(I,E)/reset(I,E) methods that I recently added. The ↵Owen Anderson
boundary condition for checking if I and E were in the same word were incorrect, and, beyond that, the mask computation was not using a wide enough constant. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166015 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-16Have AttrBuilder defriend the Attributes class.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166011 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-16Use the Attributes::get method which takes an AttrVal value directly to ↵Bill Wendling
simplify the code a bit. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166009 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-16Put simple c'tors inline.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166008 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-16misched: Added handleMove support for updating all kill flags, not just for ↵Andrew Trick
allocatable regs. This is a medium term workaround until we have a more robust solution in the form of a register liveness utility for postRA passes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166001 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-15Remove RegisterClassInfo::isReserved() and isAllocatable().Jakob Stoklund Olesen
Clients can use the equivalent functions in MRI. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165990 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-15Remove LIS::isAllocatable() and isReserved() helpers.Jakob Stoklund Olesen
All callers can simply use the corresponding MRI functions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165985 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-15Add range-based set()/reset() to BitVector. These allow fast ↵Owen Anderson
setting/resetting of ranges of bits, particularly useful when dealing with very large BitVector's. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165984 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-15Switch most getReservedRegs() clients to the MRI equivalent.Jakob Stoklund Olesen
Using the cached bit vector in MRI avoids comstantly allocating and recomputing the reserved register bit vector. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165983 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-15Freeze the reserved registers as soon as isel is complete.Jakob Stoklund Olesen
Also provide an MRI::getReservedRegs() function to access the frozen register set, and isReserved() and isAllocatable() methods to test individual registers. The various implementations of TRI::getReservedRegs() are quite complicated, and many passes need to look at the reserved register set. This patch makes it possible for these passes to use the cached copy in MRI, avoiding a lot of malloc traffic and repeated calculations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165982 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-15Merge commit 'bb20b24224734f5369d124181d086703ca439dd7'Derek Schuff
Conflicts: lib/Target/X86/X86FrameLowering.cpp lib/Target/X86/X86ISelLowering.cpp
2012-10-15Move the Attributes::Builder outside of the Attributes class and into its ↵Bill Wendling
own class named AttrBuilder. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165960 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-15Add comments.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165958 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-15misched: ILP scheduler for experimental heuristics.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165950 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-15[ms-inline asm] Add a few new APIs to the AsmParser class in support of MS-StyleChad Rosier
inline assembly. For the time being, these will be called directly by clang. However, in the near future I expect these to be sunk back into the MC layer and more basic APIs (e.g., getClobbers(), getConstraints(), etc.) will be called by clang. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165946 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-15Resubmit the changes to llvm core to update the functions to support ↵Micah Villmow
different pointer sizes on a per address space basis. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165941 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-15PowerPC: add EmitTCEntry class for TOC creationAdhemerval Zanella
This patch replaces the EmitRawText by a EmitTCEntry class (specialized for each Streamer) in PowerPC64 TOC entry creation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165940 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-15[asan] make AddressSanitizer to be a FunctionPass instead of ModulePass. ↵Kostya Serebryany
This will simplify chaining other FunctionPasses with asan. Also some minor cleanup git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165936 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-15Add an enum for the return and function indexes into the AttrListPtr object. ↵Bill Wendling
This gets rid of some magic numbers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165924 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-15Use a ::get method to create the attribute from Attributes::AttrVals instead ↵Bill Wendling
of a constructor. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165923 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-15Supply a default 'operator=' method.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165922 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-15Move the AttributesImpl header file into the VMCore directory so that it can ↵Bill Wendling
be opaque. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165920 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-15Attributes RewriteBill Wendling
Convert the internal representation of the Attributes class into a pointer to an opaque object that's uniqued by and stored in the LLVMContext object. The Attributes class then becomes a thin wrapper around this opaque object. Eventually, the internal representation will be expanded to include attributes that represent code generation options, etc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165917 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-14Fix a typo that made ImmutableMap::getMaxElement() useless.Benjamin Kramer
Add a basic unit test for ImmutableMap. Found by inspection. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165907 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-14Remove dead methods.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165902 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-14Remove operator cast method in favor of querying with the correct method.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165899 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-14Remove the bitwise AND operators from the Attributes class. Replace it with ↵Bill Wendling
the equivalent from the builder class. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165896 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-14Remove the bitwise assignment OR operator from the Attributes class. Replace ↵Bill Wendling
it with the equivalent from the builder class. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165895 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-14Remove the bitwise OR operator from the Attributes class. Replace it with ↵Bill Wendling
the equivalent from the builder class. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165894 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-14Remove the bitwise XOR operator from the Attributes class. Replace it with ↵Bill Wendling
the equivalent from the builder class. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165893 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-14Remove the bitwise NOT operator from the Attributes class. Replace it with ↵Bill Wendling
the equivalent from the builder class. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165892 91177308-0d34-0410-b5e6-96231b3b80d8
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