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2012-10-06Minor changes based on post commit review:Jack Carter
Contributer: Vladimir Medic git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165350 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-05Minor changes based on post commit review:Jack Carter
Contributer: Vladimir Medic git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165346 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-05This patch splits apart PPCISelLowering::LowerFormalArguments_Darwin_Or_64SVR4Bill Schmidt
into separate versions for the Darwin and 64-bit SVR4 ABIs. This will facilitate doing more major surgery on the 64-bit SVR4 ABI in the near future. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165336 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-05Remove unused but set variable flagged by GCC.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165331 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-05[ms-inline asm] Add a few typedefs to simplify future changes.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165324 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-05Patch for integer multiply, signed/unsigned, long/long long.Reed Kotler
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165322 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-05Simplify code, don't or a bool with an uint64_t.Benjamin Kramer
No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165321 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-05Remove empty file.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165320 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-05Implement TargetData with the DataLayout class, this will allow LLVM ↵Micah Villmow
projects to transition to DataLayout without loosing functionality. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165318 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-05- Mark the BCC and BLR defs as isCodeGenOnly per error output fromWill Schmidt
llvm-tblgen -gen-asm-matcher. PPCInstrInfo.td | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165315 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-05SROA.cpp: Fix a warning, [-Wunused-variable]NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165309 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-05Move this test a bit later, after the point at which we know that we eitherDuncan Sands
have an alloca or a parameter, since then the alloca test should make sense to readers, while before it probably appears too specific. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165306 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-05Move methods out-of-line.Bill Wendling
The internal representation of the Attributes class will be opaque. All of the query methods will need to query the opaque class. Therefore, these methods need to be out-of-line. No functionality change intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165305 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-05Use method to query for attributes.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165304 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-05Remove some encoding bits I forgot to remove from SETB_C16r and SETB_C64r in ↵Craig Topper
r165302. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165303 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-05Move expansion of SETB_C(8/16/32/64)r from MCInstLower to ↵Craig Topper
ExpandPostRAPseudos and mark them as pseudos in the td file. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165302 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-05tblgen: Use appropriate LLVM-style RTTI functions.Sean Silva
Use isa<> or cast<> when semantically that is what is happening. Also some trivial "style" cleanups at fix sites. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165292 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-05tblgen: Replace uses of dynamic_cast<XXXRecTy> with dyn_cast<>.Sean Silva
This is a mechanical change of dynamic_cast<> to dyn_cast<>. A number of these uses are actually more like isa<> or cast<>, and will be changed to the semanticaly appropriate one in a future patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165291 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-05Make sure to generate the right kind of MDNode for enum forward declarations.Eli Friedman
PR14029, LLVM part. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165288 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-05Follow up to r165072. Try a different approach: only move the load when it's ↵Evan Cheng
going to be folded into the call. rdar://12437604 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165287 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-05Teach the new SROA a new trick. Now we zap any memcpy or memmoves whichChandler Carruth
are in fact identity operations. We detect these and kill their partitions so that even splitting is unaffected by them. This is particularly important because Clang relies on emitting identity memcpy operations for struct copies, and these fold away to constants very often after inlining. Fixes the last big performance FIXME I have on my plate. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165285 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-05Lift the speculation visitor above all the helpers that are targeted atChandler Carruth
the rewrite visitor to make the fact that the speculation is completely independent a bit more clear. I promise that this is just a cut/paste of the one visitor and adding the annonymous namespace wrappings. The diff may look completely preposterous, it does in git for some reason. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165284 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04[ms-inline asm] Add support for parsing [Intel dialect] memory operands that useChad Rosier
segmented registers. Test case to come. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165275 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04Rename the Target specific passes in the DataLayout class to be Target agnostic.Micah Villmow
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165270 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04When merging connsecutive stores, use vectors to store the constant zero.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165267 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04Resubmit the copying of TargetData to DataLayout without any changes to the ↵Micah Villmow
files, this should fix the problems and the changes to rename to DataLayout will come next. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165262 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04This patch corrects commit 165126 by using an integer bit width instead of Preston Gurd
a pointer to a type, in order to remove the uses of getGlobalContext(). Patch by Tyler Nowicki. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165255 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04ARM: locate user-defined text sections next to default text.Jim Grosbach
Make sure functions located in user specified text sections (via the section attribute) are located together with the default text sections. Otherwise, for large object files, the relocations for call instructions are more likely to be out of range. This becomes even more likely in the presence of LTO. rdar://12402636 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165254 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04Backing out my changes, something screwed up from my patches, starting over.Micah Villmow
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165253 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04Rename TargetData to DataLayout in DataLayout.cpp. This should fix a build ↵Micah Villmow
failure from r165249 where the wrong version of the file was submitted. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165251 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04Update this a bit more to represent how the prologue should work:Eric Christopher
a) frame setup instructions define the prologue b) we shouldn't change our location mid-stream Add a test to make sure that the stack adjustment stays within the prologue. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165250 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04Create the DataLayout class, as a direct copy of TargetData.Micah Villmow
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165249 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04Accidently checked in the files, only wanted to copy them.Micah Villmow
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165244 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165243 ↵Micah Villmow
91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04Add register encoding support in X86 backendMichael Liao
- Add 'HwEncoding' for X86 registers and call getEncodingValue() to retrieve their encoding values. - This's the first step to adopt new scheme. Furthur revising is onging. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165241 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04Add a comment to the commit r165187.Jakub Staszak
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165238 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04- add tokens to PPCInstrInfo.td and PPCInstr64Bit.td to resolveWill Schmidt
"Instruction 'foo' has no tokens" errors during llvm-tblgen -gen-asm-matcher attempts. At this time, the added tokens are "#comment" style rather than the actual mnemonic. This will be revisited once the rest of the base asmparser bits get straightened out for ppc64-elf-linux. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165237 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04Get MCSchedModel directly from the subtarget.Jakob Stoklund Olesen
Not all targets have itineraries, but the subtarget always has an MCSchedModel. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165236 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04Switch MachineTraceMetrics to the new TargetSchedModel interface.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165235 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04test commit / whitespaceWill Schmidt
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165233 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04SimplifyCFG: Enhance the "remove CFG edge that leads to null pointer ↵Benjamin Kramer
dereference" optimization to also handle instructions with multiple uses. We conservatively only check the first use to avoid walking long use chains. This catches the common case of having both a load and a store to a pointer supplied by a PHI node. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165232 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04In my recent change to avoid use of underaligned memory I didn't notice thatDuncan Sands
cpyDest can be mutated in some cases, which would then cause a crash later if indeed the memory was underaligned. This brought down several buildbots, so I guess the underaligned case is much more common than I thought! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165228 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04The alignment of an sret parameter is known: it must be at least theDuncan Sands
alignment of the return type. Teach the optimizers this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165226 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04Hoist some grossly duplicated code from the COFF/ELF/MachO streamers into ↵Benjamin Kramer
MCObjectStreamer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165225 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04Fix PR13969, a mini-phase-ordering issue with the new SROA pass.Chandler Carruth
Currently, we re-visit allocas when something changes about the way they might be *split* to allow better scalarization to take place. However, we weren't handling the case when the *promotion* is what would change the behavior of SROA. When an address derived from an alloca is stored into another alloca, we consider the first to have escaped. If the second is ever promoted to an SSA value, we will suddenly be able to run the SROA pass on the first alloca. This patch adds explicit support for this form if iteration. When we detect a store of a pointer derived from an alloca, we flag the underlying alloca for reprocessing after promotion. The logic works hard to only do this when there is definitely going to be promotion and it might remove impediments to the analysis of the alloca. Thanks to Nick for the great test case and Benjamin for some sanity check review. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165223 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04The memcpy optimizer was happily doing call slot forwarding when the new memoryDuncan Sands
was less aligned than the old. In the testcase this results in an overaligned memset: the memset alignment was correct for the original memory but is too much for the new memory. Fix this by either increasing the alignment of the new memory or bailing out if that isn't possible. Should fix the gcc-4.7 self-host buildbot failure. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165220 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04Teach the integer-promotion rewrite strategy to be endianness aware.Chandler Carruth
Sorry for this being broken so long. =/ As part of this, switch all of the existing tests to be Little Endian, which is the behavior I was asserting in them anyways! Add in a new big-endian test that checks the interesting behavior there. Another part of this is to tighten the rules abotu when we perform the full-integer promotion. This logic now rejects cases where there fully promoted integer is a non-multiple-of-8 bitwidth or cases where the loads or stores touch bits which are in the allocated space of the alloca but are not loaded or stored when accessing the integer. Sadly, these aren't really observable today as the rest of the pass will already ensure the invariants hold. However, the latter situation is likely to become a potential concern in the future. Thanks to Benjamin and Duncan for early review of this patch. I'm still looking into whether there are further endianness issues, please let me know if anyone sees BE failures persisting past this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165219 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04Use method to query if there are attributes.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165213 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04Add method to query for NoCapture attribute.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165212 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04Use method to query for NoAlias attribute.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165211 91177308-0d34-0410-b5e6-96231b3b80d8
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