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2013-02-10The 'Raw' method cannot handle 'string' attributes. Don't even try.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174848 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-10Eat the alignment keyword if we're in an attribute group.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174846 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-10Add code for emitting the attribute groups.Bill Wendling
This is some initial code for emitting the attribute groups into the bitcode. NOTE: This format *may* change! Do not rely upon the attribute groups' bitcode not changing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174845 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-10Add support for attribute groups in the value enumerator.Bill Wendling
Attribute groups are essentially all AttributeSets which are used by the program. Enumerate them here. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174844 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-10Test Commit - Remove some trailing whitespace in R600Instructions.tdVincent Lejeune
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174839 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-10Handle string attributes in the AttrBuilder.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174834 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-10Use a 'continue' here to stop from double lexing.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174833 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-10Add 'empty' query methods to the builder and use them in the verifier.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174832 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-10Add support for updating LiveIntervals to PHIElimination. If LiveIntervals areCameron Zwarich
present, it currently verifies them with the MachineVerifier, and this passed all of the test cases in 'make check' (when accounting for existing verifier errors). There were some assertion failures in the two-address pass, but they also happened on code without phis and look like they are caused by different kill flags from LiveIntervals. The only part that doesn't work is the critical edge splitting heuristic, because there isn't currently an efficient way to update LiveIntervals after splitting an edge. I'll probably start by implementing the slow fallback and test that it works before tackling the fast path for single-block ranges. The existing code that updates LiveVariables is fairly slow as it is. There isn't a command-line option for enabling this; instead, just edit PHIElimination.cpp to require LiveIntervals. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174831 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-10Fix a typo.Cameron Zwarich
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174830 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-10Remove ancient references to 'atomic' phis in PHIElimination that don't reallyCameron Zwarich
make sense anymore. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174829 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-10Make LiveVariables an instance variable of PHIElimination.Cameron Zwarich
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174828 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-10Add accessor for the LLVMContext.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174824 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-09Remove unneeded "TargetMachine.h" #includes.Jakub Staszak
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174817 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-09TEMPORARY SYNTAX CHANGE!Bill Wendling
The original syntax for the attribute groups was ambiguous. For example: declare void @foo() #1 #0 = attributes { noinline } The '#0' would be parsed as an attribute reference for '@foo' and not as a top-level entity. In order to continue forward while waiting for a decision on what the correct syntax is, I'm changing it to this instead: declare void @foo() #1 attributes #0 = { noinline } Repeat: This is TEMPORARY until we decide what the correct syntax should be. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174813 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-09[NVPTX] Make address space errors more explicit (llvm_unreachable -> ↵Justin Holewinski
report_fatal_error) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174808 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-09Fix the underlying problem that was causing read(0) to be called: sometimes theChris Lattner
bitcode writer would generate abbrev records saying that the abbrev should be filled with fixed zero-bit bitfields (this happens in the .bc writer when the number of types used in a module is exactly one, since log2(1) == 0). In this case, just handle it as a literal zero. We can't "just fix" the writer without breaking compatibility with existing bc files, so have the abbrev reader do the substitution. Strengthen the assert in read to reject reads of zero bits so we catch such crimes in the future, and remove the special case designed to handle this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174801 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-09LSR IVChain improvement.Andrew Trick
Handle chains in which the same offset is used for both loads and stores to the same array. Fixes rdar://11410078. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174789 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-09Remove #includes from the commonly used LoopInfo.h.Jakub Staszak
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174786 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-09Dwarf: do not use line_table_start in at_stmt_list since we do not always emit Manman Ren
line table entries in assembly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174785 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-09Remove the old liveness algorithm.Jakob Stoklund Olesen
This is part of the plan to delete LiveVariables. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174783 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08Enable *BasicBlockPass::createPrinterPass()Sergei Larin
Enables raw_ostream I/O for BasicBlockPass. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174776 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08Turn on -new-live-intervals by default.Jakob Stoklund Olesen
This uses a liveness algorithm that does not depend on data from the LiveVariables analysis, it is the first step towards removing LiveVariables completely. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174774 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08R600: Dump the function name when TargetLowering::LowerCall() failsTom Stellard
Also output a more useful error message. NOTE: This is a candidate for the Mesa stable branch git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174763 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08R600: rework flow creation in the structurizer v2Tom Stellard
This fixes a couple of bugs and incorrect assumptions, in total four more piglit tests now pass. v2: fix small bug in the dominator updating Patch by: Christian König Signed-off-by: Christian König <christian.koenig@amd.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174762 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08R600: fix loop analyses in the structurizerTom Stellard
Patch by: Christian König Intersecting loop handling was wrong. Signed-off-by: Christian König <christian.koenig@amd.com> Tested-by: Michel Dänzer <michel.daenzer@amd.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174761 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08R600: fix PHI value adding in the structurizerTom Stellard
Otherwise we sometimes produce invalid code. Patch by: Christian König Signed-off-by: Christian König <christian.koenig@amd.com> Tested-by: Michel Dänzer <michel.daenzer@amd.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174760 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08Minor cleanup.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174756 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08Revert "Add LLVMContext::emitWarning methods and use them. ↵Bob Wilson
<rdar://problem/12867368>" This reverts r171041. This was a nice idea that didn't work out well. Clang warnings need to be associated with warning groups so that they can be selectively disabled, promoted to errors, etc. This simplistic patch didn't allow for that. Enhancing it to provide some way for the backend to specify a front-end warning type seems like overkill for the few uses of this, at least for now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174748 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08Add the 16 bit version of addiu. To the assembler, the 16 and 32 bit are theReed Kotler
same so we put in the comment field an indicator when we think we are emitting the 16 bit version. For the direct object emitter, the difference is important as well as for other passes which need an accurate count of program size. There will be other similar putbacks to this for various instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174747 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08DAGCombiner: Constant folding around pre-increment loads/storesHal Finkel
Previously, even when a pre-increment load or store was generated, we often needed to keep a copy of the original base register for use with other offsets. If all of these offsets are constants (including the offset which was combined into the addressing mode), then this is clearly unnecessary. This change adjusts these other offsets to use the new incremented address. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174746 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08BBVectorize: Use TTI->getAddressComputationCostHal Finkel
This is a follow-up to the cost-model change in r174713 which splits the cost of a memory operation between the address computation and the actual memory access. In r174713, this cost is always added to the memory operation cost, and so BBVectorize will do the same. Currently, this new cost function is used only by ARM, and I don't have any ARM test cases for BBVectorize. Assistance in generating some good ARM test cases for BBVectorize would be greatly appreciated! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174743 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08Revert 172027 and 174336. Remove diagnostics about over-aligned stack objects.Bob Wilson
Aside from the question of whether we report a warning or an error when we can't satisfy a requested stack object alignment, the current implementation of this is not good. We're not providing any source location in the diagnostics and the current warning is not connected to any warning group so you can't control it. We could improve the source location somewhat, but we can do a much better job if this check is implemented in the front-end, so let's do that instead. <rdar://problem/13127907> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174741 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08Refine fix to bug 15041.Bill Schmidt
Thanks to help from Nadav and Hal, I have a more reasonable (and even correct!) approach. This specifically penalizes the insertelement and extractelement operations for the performance hit that will occur on PowerPC processors. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174725 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08[SimplifyLibCalls] Library call simplification doen't work if the call site Chad Rosier
isn't using the default calling convention. However, if the transformation is from a call to inline IR, then the calling convention doesn't matter. rdar://13157990 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174724 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08Typos.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174723 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08The patch to fix some issues in r174543 fixed the lines failing the test, ↵David Tweed
but missed a couple of lines which weren't being explicitly looked at and were printing incorrect results. These values clearly must lie within 32 bits, so the casts are definitely safe. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174717 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08ARM cost model: Address computation in vector mem ops not freeArnold Schwaighofer
Adds a function to target transform info to query for the cost of address computation. The cost model analysis pass now also queries this interface. The code in LoopVectorize adds the cost of address computation as part of the memory instruction cost calculation. Only there, we know whether the instruction will be scalarized or not. Increase the penality for inserting in to D registers on swift. This becomes necessary because we now always assume that address computation has a cost and three is a closer value to the architecture. radar://13097204 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174713 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08Test CommitMichael Kuperstein
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174709 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08Parse the attribute group reference on a function.Bill Wendling
Attribute references are of this form: define void @foo() #0 #1 #2 { ... } Parse them for function attributes. If there's more than one reference, then they are merged together. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174697 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08When Mips16 frames grow large, the immediate field may exceed the maximumReed Kotler
allowed size for the instruction. This code uses RegScavenger to fix this. We sometimes need 2 registers for Mips16 so we must handle things differently than how register scavenger is normally used. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174696 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08Revert "Have InstCombine call SipmlifyCall when handling calls. Test case ↵Andrew Trick
included." This reverts commit 3854a5d90fee52af1065edbed34521fff6cdc18d. This causes a clang unit test to hang: vtable-available-externally.cpp. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174692 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08Use ParseFnAttributeValuePairs instead of ParseOptionalFuncAttrs Bill Wendling
The functionality of ParseOptionalFuncAttrs was there in ParseFnAttributeValuePairs. So just use that instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174686 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07Have InstCombine call SipmlifyCall when handling calls. Test case included.Michael Ilseman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174675 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07fix 80-col violation and fix the docs.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174671 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07[mips] Make Filler a class and reduce indentation.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174666 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07Formatting.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174664 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07"Clean up" line section symbol emission by emitting the sectionEric Christopher
syms before constructing the compile units so we're not emitting section references to sections not there already. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174663 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07[patch] bug 15055 Add Unistd.h to OProfileWrapper.cppWill Schmidt
Add #include <unistd.h> to OProfileWrapper.cpp. This provides the declarations for 'read' and 'close' that are otherwise missing, and result in 'error: <foo> was not declared in this scope'. This matches the issue as reported in bug 15055 "Can no longer compile LLVM with --with-oprofile" git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174661 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07Constrain PowerPC autovectorization to fix bug 15041.Bill Schmidt
Certain vector operations don't vectorize well with the current PowerPC implementation. Element insert/extract performs poorly without VSX support because Altivec requires going through memory. SREM, UREM, and VSELECT all produce bad scalar code. There's a lot of work to do for the cost model before autovectorization will be tuned well, and this is not an attempt to address the larger problem. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174660 91177308-0d34-0410-b5e6-96231b3b80d8
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