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2012-09-19Soften the pattern-can-never-match error in TableGen into a warning. This ↵Owen Anderson
pattern can be very useful in cases where you want to define a multiclass that covers both commutative and non-commutative operators (say, add and sub). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164256 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Implement a correct copy constructor for Record. Now that we're using the ↵Owen Anderson
ID number as a key in maps (for determinism), it is imperative that ID numbers be globally unique, even when we copy construct a Record. This fixes some obscure failure cases involving registers defined inside multiclasses or foreach constructs that would not receive a unique ID, and would end up being omitted from the AsmMatcher tables. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164251 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Resolve conflicts involving dead vector lanes for -new-coalescer.Jakob Stoklund Olesen
A common coalescing conflict in vector code is lane insertion: %dst = FOO %src = BAR %dst:ssub0 = COPY %src The live range of %src interferes with the ssub0 lane of %dst, but that lane is never read after %src would have clobbered it. That makes it safe to merge the live ranges and eliminate the COPY: %dst = FOO %dst:ssub0 = BAR This patch teaches the new coalescer to resolve conflicts where dead vector lanes would be clobbered, at least as long as the clobbered vector lanes don't escape the basic block. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164250 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19This patch adds memory support functions which will later be used to ↵Andrew Kaylor
implement section-specific protection handling in MCJIT. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164249 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Add support for macro parameters/arguments delimited by spaces,Preston Gurd
to improve compatibility with GNU as. Based on a patch by PaX Team. Fixed assertion failures on non-Darwin and added additional test cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164248 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Add support for accessing an MDNode's operands via the C binding. Patch byDuncan Sands
Anthony Bryant. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164247 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Support default parameters/arguments for assembler macros.Preston Gurd
This patch is based on the one by PaX Team. Patch by Andy Zhang! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164246 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Enhance unmatched '.endr' directive error message in assembler.Preston Gurd
The directive can be matched with directives other than '.rept' Patch by Andy Zhang! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164245 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Unify the logic in SelectAtomicLoadAdd and SelectAtomicLoadArithMichael Liao
- Merge the processing of LOAD_ADD with other atomic load-arith operations - Separate the logic getting target constant for atomic-load-op and add an optimization for atomic-load-add on i16 with negative value - Optimize a minor case for atomic-fetch-add i16 with negative operand. Test case is revised. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164243 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Renaming functions to match coding style guidelinesMichael Ilseman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164238 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Really XFAIL test/CodeGen/PowerPC/structsinregs.ll.Jordan Rose
XFAIL needs a trailing colon. Hopefully this will get the buildbots happy again while Bill works on getting it passing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164237 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Doxygen-ify commentsMichael Ilseman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164235 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19XFAIL test/CodeGen/PowerPC/structsinregs.llBill Schmidt
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164233 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Put the * and & next to the variable, rather than the type.Michael Ilseman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164232 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Document the interface for integer expansion, using doxygen-style commentsMichael Ilseman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164231 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Forward declarationsMichael Ilseman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164230 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19GCC doesn't understand that OrigAliasResult having a value is correlated withDuncan Sands
ArePhisAssumedNoAlias, and warns that OrigAliasResult may be used uninitialized. Pacify GCC. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164229 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Small structs for PPC64 SVR4 must be passed right-justified in registers.Bill Schmidt
lib/Target/PowerPC/PPCISelLowering.{h,cpp} Rename LowerFormalArguments_Darwin to LowerFormalArguments_Darwin_Or_64SVR4. Rename LowerFormalArguments_SVR4 to LowerFormalArguments_32SVR4. Receive small structs right-justified in LowerFormalArguments_Darwin_Or_64SVR4. Rename LowerCall_Darwin to LowerCall_Darwin_Or_64SVR4. Rename LowerCall_SVR4 to LowerCall_32SVR4. Pass small structs right-justified in LowerCall_Darwin_Or_64SVR4. test/CodeGen/PowerPC/structsinregs.ll New test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164228 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19SimplifyCFG: Don't generate invalid code for switch used to initializeHans Wennborg
two variables where the first variable is returned and the second ignored. I don't think this occurs in practice (other passes should have cleaned up the unused phi node), but it should still be handled correctly. Also make the logic for determining if we should return early less sketchy. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164225 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Fix minor typo in IntervalPartition.hWill Dietz
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164222 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Make MapVector a bit more expensive but harder to misuse. We now onlyRafael Espindola
provide insertion order iteration, instead of the old option of DenseMap order iteration over keys and insertion order iteration over values. This is implemented by keeping two copies of each key. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164221 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19InlineCost: Make TotalAllocaSizeRecursiveCaller unsigned to avoid ↵Benjamin Kramer
sign-compare warnings. It's a size, not a cost. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164219 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19IntegerDivision: Style cleanups, avoid warning about mixing || and && ↵Benjamin Kramer
without parens. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164216 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Remove unused and broken CloneFunction wrapper.Benjamin Kramer
It converted the CodeInfo argument to bool implicitly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164215 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Move load_to_switch.ll to test/CodeGen/SPARC/Hans Wennborg
Because the test invokes llc -march=sparc, it needs to be in a directory which is only run when the sparc target is built. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164211 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19rename testNadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164210 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Prevent inlining of callees which allocate lots of memory into a recursive ↵Nadav Rotem
caller. Example: void foo() { ... foo(); // I'm recursive! bar(); } bar() { int a[1000]; // large stack size } rdar://10853263 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164207 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19CodeGenPrep: turn lookup tables into switches for some targets.Hans Wennborg
This is a follow-up from r163302, which added a transformation to SimplifyCFG that turns some switches into loads from lookup tables. It was pointed out that some targets, such as GPUs and deeply embedded targets, might not find this appropriate, but SimplifyCFG doesn't have enough information about the target to decide this. This patch adds the reverse transformation to CodeGenPrep: it turns loads from lookup tables back into switches for targets where we do not build jump tables (assuming these are also the targets where lookup tables are inappropriate). Hopefully we will eventually get to have target information in SimplifyCFG, and then this CodeGenPrep transformation can be removed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164206 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Remove code for setting the VEX L-bit as a function of operand size from the ↵Craig Topper
code emitters and the disassembler table builder. Fix a couple instructions that were still missing VEX_L. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164204 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19whitespace.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164203 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Add explicit VEX_L tags to all 256-bit instructions. This will allow us to ↵Craig Topper
remove code from the code emitters that examined operands to set the L-bit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164202 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Silence -Wnon-virtual-dtor in llvm-stress.Andrew Trick
This was making it hard to scan my builds for new warnings. The warning still fires with ToT clang. But if my workaround is unnecessary for whatever reason, feel free to revert. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164201 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19SchedMachineModel: compress the CPU's WriteLatencyTable.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164199 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19De-nest if's and fix mix-upSean Silva
Two deeply nested if's obscured that the sense of the conditions was mixed up. Amazingly, TableGen's output is exactly the same even with the sense of the tests fixed; it seems that all of TableGen's conversions are symmetric so that the inverted sense was nonetheless correct "by accident". As such, I couldn't come up with a test case. If there does in fact exist a non-symmetric conversion in TableGen's type system, then a test case should be prepared. Despite the symmetry, both if's are left in place for robustness in the face of future changes. Review by Jakob. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164195 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Iterate deterministicaly over ClassInfo*'sSean Silva
Fixes an observed instance of nondeterministic TableGen output. Review by Jakob. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164191 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Iterate deterministically over register classesSean Silva
Fixes an observed instance of nondeterministic TableGen output. Review by Jakob. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164190 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Refactor Record* by-ID comparator to Record.hSean Silva
This is a generally useful utility; there's no reason to have it hidden in CodeGenDAGPatterns.cpp. Also, rename it to fit the other comparators in Record.h Review by Jakob. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164189 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19llvm/test/MC/X86/x86_nop.s: Make sure -arch=x86 when -mcpu=geode.NAKAMURA Takumi
-mcpu doesn't infer -arch. Consider non-x86 host. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164185 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18Tidy up. Minor formatting.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164182 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18Tidy up. 80 columns.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164181 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18comment typoAndrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164180 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18Fix the last crasher I've gotten a reproduction for in SROA. This oneChandler Carruth
from the dragonegg build bots when we turned on the full version of the pass. Included a much reduced test case for this pesky bug, despite bugpoint's uncooperative behavior. Also, I audited all the similar code I could find and didn't spot any other cases where this mistake cropped up. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164178 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18Test commitSean Silva
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164174 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18New utility for expanding integer division for targets that don't support it.Michael Ilseman
Implementation derived from compiler-rt's implementation of signed and unsigned integer division. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164173 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18MOVi16 (movw) is only legal on cpus with V6T2 support. rdar://12300648Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164169 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18FileCheck: Fix off-by-one bug that made CHECK-NOT: ignore the next character ↵Benjamin Kramer
after the colon. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164165 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18Add test for r164155 and remove two tests superseded by ppc64-calls.ll.Roman Divacky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164162 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18Add hidden flag to exclude aliases from output.Jan Sjödin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164158 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18Add a MapVector class. It provides a regular set iteration, butRafael Espindola
also provides a insertion order iteration over the values. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164157 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18Fix the isLocalCall() by checking for linker weakness as well.Roman Divacky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164155 91177308-0d34-0410-b5e6-96231b3b80d8
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