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2013-04-03Improved comment. No functionality change.Michael Gottesman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178605 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-03Attempting to fix the build on older GCC versions.Aaron Ballman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178604 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-03This patch addresses PR15351 by explicitly checking for AVX supportAaron Ballman
when getting the host processor information. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178598 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-02Formatting.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178589 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-02[mips] Small update to the implementation of eh.return for Mips.Akira Hatanaka
This patch initializes t9 to the handler address, but only if the relocation model is pic. This handles the case where handler to which eh.return jumps points to the start of the function. Patch by Sasa Stankovic. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178588 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-02Support and test template arguments for unions.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178586 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-02Reformat arguments.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178585 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-02[mips] Expand pseudo multiply/divide instructions in MipsCodeEmitter.cpp.Akira Hatanaka
This patch fixes the following two tests which have been failing on llvm-mips-linux builder since r178403: LLVM :: Analysis/Profiling/load-branch-weights-ifs.ll LLVM :: Analysis/Profiling/load-branch-weights-loops.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178584 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-02Allow MachineTraceMetrics to be used when the model has no resources.Jakob Stoklund Olesen
It it still possible to extract information from itineraries, for example. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178582 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-02[ms-inline asm] Add support for parsing variables with namespace aliasChad Rosier
qualifiers. This patch only adds support for parsing these identifiers in the X86AsmParser. The front-end interface isn't capable of looking up these identifiers at this point in time. The end result is the compiler now errors during object file emission, rather than at parse time. Test case coming shortly. Part of rdar://13499009 and PR13340 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178566 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-02Fix PR15630: Replace faulty stdcx. with stwcx.Bill Schmidt
When doing a partword atomic operation, a lwarx was being paired with a stdcx. instead of a stwcx. when compiling for a 64-bit target. The target has nothing to do with it in this case; we always need a stwcx. Thanks to Kai Nacke for reporting the problem. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178559 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-02Don't attempt MTM heuristics without a scheduling model present.Jakob Stoklund Olesen
This should fix the PPC buildbots. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178558 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-02Count processor resources individually in MachineTraceMetrics.Jakob Stoklund Olesen
The new instruction scheduling models provide information about the number of cycles consumed on each processor resource. This makes it possible to estimate ILP more accurately than simply counting instructions / issue width. The functions getResourceDepth() and getResourceLength() now identify the limiting processor resource, and return a cycle count based on that. This gives more precise resource information, particularly in traces that use one resource a lot more than others. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178553 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-02Disable shift-compare instcombine optimization for NaCl.Derek Schuff
This is one of at least 2 optimizations which introduce non-power-of-two integer sizes, which we don't want to allow in the PNaCl stable wire format. This transforms (icmp pred iM (shl iM %value, N), ConstInt) -> (icmp pred i(M-N) (trunc %value iM to i(N-N)), (trunc (ConstInt >> N)) and reduces the size of the compare and its operands. R=mseaborn@chromium.org BUG= https://code.google.com/p/nativeclient/issues/detail?id=3360 Review URL: https://codereview.chromium.org/13182003
2013-04-02[fast-isel] Use the correct API to disable FastLowerArguments for Win64.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178549 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-02DAGCombiner: Merge store/loads when we have extload/truncstoresArnold Schwaighofer
This is helps on architectures where i8,i16 are not legal but we have byte, and short loads/stores. Allowing us to merge copies like the one below on ARM. copy(char *a, char *b, int n) { do { int t0 = a[0]; int t1 = a[1]; b[0] = t0; b[1] = t1; radar://13536387 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178546 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-02[NVPTX] Fix a few style issues in NVVMReflectJustin Holewinski
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178536 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-02Use a worklist to avoid a sneaky iterator invalidation.Bill Wendling
The iterator could be invalidated when it's recursively deleting a whole bunch of constant expressions in a constant initializer. Note: This was only reproducible if `opt' was run on a `.bc' file. If `opt' was run on a `.ll' file, it wouldn't crash. This is why the test first pushes the `.ll' file through `llvm-as' before feeding it to `opt'. PR15440 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178531 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-02Add 64-bit load and store instructions.Jakob Stoklund Olesen
There is only a few new instructions, the rest is handled with patterns. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178528 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-02Basic 64-bit ALU operations.Jakob Stoklund Olesen
SPARC v9 extends all ALU instructions to 64 bits, so we simply need to add patterns to use them for both i32 and i64 values. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178527 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-02Materialize 64-bit immediates.Jakob Stoklund Olesen
The last resort pattern produces 6 instructions, and there are still opportunities for materializing some immediates in fewer instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178526 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-02Add 64-bit shift instructions.Jakob Stoklund Olesen
SPARC v9 defines new 64-bit shift instructions. The 32-bit shift right instructions are still usable as zero and sign extensions. This adds new F3_Sr and F3_Si instruction formats that probably should be used for the 32-bit shifts as well. They don't really encode an simm13 field. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178525 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-02Add predicates for distinguishing 32-bit and 64-bit modes.Jakob Stoklund Olesen
The 'sparc' architecture produces 32-bit code while 'sparcv9' produces 64-bit code. It is also possible to run 32-bit code using SPARC v9 instructions with: llc -march=sparc -mattr=+v9 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178524 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-02Add support for 64-bit calling convention.Jakob Stoklund Olesen
This is far from complete, but it is enough to make it possible to write test cases using i64 arguments. Missing features: - Floating point arguments. - Receiving arguments on the stack. - Calls. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178523 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-02Add an I64Regs register class for 64-bit registers.Jakob Stoklund Olesen
We are going to use the same registers for 32-bit and 64-bit values, but in two different register classes. The I64Regs register class has a larger spill size and alignment. The addition of an i64 register class confuses TableGen's type inference, so it is necessary to clarify the type of some immediates and the G0 register. In 64-bit mode, pointers are i64 and should use the I64Regs register class. Implement getPointerRegClass() to dynamically provide the pointer register class depending on the subtarget. Use ptr_rc and iPTR for memory operands. Finally, add the i64 type to the IntRegs register class. This register class is not used to hold i64 values, I64Regs is for that. The type is required to appease TableGen's type checking in output patterns like this: def : Pat<(add i64:$a, i64:$b), (ADDrr $a, $b)>; SPARC v9 uses the same ADDrr instruction for i32 and i64 additions, and TableGen doesn't know to check the type of register sub-classes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178522 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-02Fix typo in PPCISelLoweringHal Finkel
Thanks to Bill Schmidt for finding this in review of r178480. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178521 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-02The divide unit is not pipeline, but it is still buffered.Andrew Trick
Buffered means a later divide may be executed out-of-order while a prior divide is sitting (buffered) in a reservation station. You can tell it's not pipelined, because operations that use it reserve it for more than one cycle: def : WriteRes<WriteIDiv, [HWPort0, HWDivider]> { let Latency = 25; let ResourceCycles = [1, 10]; } We don't currently distinguish between an unpipeline operation and one that is split into multiple micro-ops requiring the same unit. Except that the later may have NumMicroOps > 1 if they also consume issue/dispatch resources. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178519 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-01Target/R600: Fix CMake build to add missing files.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178508 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-01Mips direct object exception handling regressionJack Carter
Revision 177141 caused a regression in all but mips64 little endian. That is because none of the other Mips targets had test cases checking the contents of the .eh_frame section. This patch fixes both the llvm code and adds an assembler test case to include the current 4 flavors. The test cases unfortunately rely on llvm-objdump. A preferable method would be to use a pretty printer output such as what readelf -wf <elf_file> would give. I also changed the name of the test case to correct a typo. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178506 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-01R600: Add support for native control flowVincent Lejeune
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178505 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-01R600/SI: Share code recording ShaderTypeAttribute between generationsVincent Lejeune
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178504 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-01R600: Emit CF_ALU and use true kcache register.Vincent Lejeune
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178503 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-01Fix top-comment header and some indentationEli Bendersky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178492 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-01Fix a bad assert in PPCTargetLoweringHal Finkel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178489 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-01Correct assertion conditionShuxin Yang
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178484 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-01Merge load/store sequences with adresses: base + index + offsetArnold Schwaighofer
We would also like to merge sequences that involve a variable index like in the example below. int index = *idx++ int i0 = c[index+0]; int i1 = c[index+1]; b[0] = i0; b[1] = i1; By extending the parsing of the base pointer to handle dags that contain a base, index, and offset we can handle examples like the one above. The dag for the code above will look something like: (load (i64 add (i64 copyfromreg %c) (i64 signextend (i8 load %index)))) (load (i64 add (i64 copyfromreg %c) (i64 signextend (i32 add (i32 signextend (i8 load %index)) (i32 1))))) The code that parses the tree ignores the intermediate sign extensions. However, if there is a sign extension it needs to be on all indexes. (load (i64 add (i64 copyfromreg %c) (i64 signextend (add (i8 load %index) (i8 1)))) vs (load (i64 add (i64 copyfromreg %c) (i64 signextend (i32 add (i32 signextend (i8 load %index)) (i32 1))))) radar://13536387 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178483 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-01Add more PPC floating-point conversion instructionsHal Finkel
The P7 and A2 have additional floating-point conversion instructions which allow a direct two-instruction sequence (plus load/store) to convert from all combinations (signed/unsigned i32/i64) <--> (float/double) (on previous cores, only some combinations were directly available). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178480 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-01PNaCl: Tidy: Remove an unnecessary cast in the ABI checkerMark Seaborn
I noticed this while debugging a runtime cast assertion error. BUG=https://code.google.com/p/nativeclient/issues/detail?id=2309 TEST=test/NaCl/PNaClABI/*.ll Review URL: https://codereview.chromium.org/13261012
2013-04-01PNaCl ABI checker: Disable integer size check since it doesn't pass yetMark Seaborn
We would like to enable the ABI checker as soon as possible so that we can iterate. The check can be re-enabled when it passes. FileCheck doesn't allow CHECKs to be commented out so we have to disrupt them instead. BUG=https://code.google.com/p/nativeclient/issues/detail?id=2309 BUG=https://code.google.com/p/nativeclient/issues/detail?id=3360 TEST=run ABI checker on NaCl Scons-based tests Review URL: https://codereview.chromium.org/13375008
2013-04-01Use ImmToIdxMap.count in PPCRegisterInfoHal Finkel
Code improvement suggested by Jakob (in review of r178450). No functionality change intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178473 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-01PNaCl: Fix ABI checker to give a better error message on BlockAddressesMark Seaborn
Before, the checker failed with a cast error, when trying to cast the BasicBlock in a BlockAddress to a Constant. Fix it so that we at least know which global initializer is being rejected. BUG=https://code.google.com/p/nativeclient/issues/detail?id=2309 TEST=test/NaCl/PNaClABI/types.ll Review URL: https://codereview.chromium.org/13392004
2013-04-01PNaCl: Allow the ABI checker to be used from "opt"Mark Seaborn
This allows the ABI checker passes to be used in the same way as LLVM's "-verify" pass. It allows the checker to be run between other passes, and without launching pnacl-abicheck as a separate process (so without the overhead of reading bitcode into memory again). Make the ABI checker passes produce fatal errors by default, to match "-verify". This is overridden for pnacl-abicheck's use. BUG=https://code.google.com/p/nativeclient/issues/detail?id=2309 TEST=tested with pnacl-ld.py changes to use the ABI checker passes Review URL: https://codereview.chromium.org/13323006
2013-04-01Add the PPC popcntw instructionHal Finkel
The popcntw instruction is available whenever the popcntd instruction is available, and performs a separate popcnt on the lower and upper 32-bits. Ignoring the high-order count, this can be used for the 32-bit input case (saving on the explicit zero extension otherwise required to use popcntd). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178470 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-01Add support for vector data types in the LLVM interpreter.Nadav Rotem
Patch by: Veselov, Yuri <Yuri.Veselov@intel.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178469 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-01Treat PPCISD::STFIWX like the memory opcode that it isHal Finkel
PPCISD::STFIWX is really a memory opcode, and so it should come after FIRST_TARGET_MEMORY_OPCODE, and we should use DAG.getMemIntrinsicNode to create nodes using it. No functionality change intended (although there could be optimization benefits from preserving the MMO information). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178468 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-01Remove unused typedef.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178462 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-01ARM Scheduler Model: Add resources instructions, map resources in subtargetsArnold Schwaighofer
Reapply r177968: After commit 178074 we can now have undefined scheduler variants. Move the CortexA9 resources into the CortexA9 SchedModel namespace. Define resource mappings under the CortexA9 SchedModel. Define resources and mappings for the SwiftModel. Incooperate Andrew's feedback. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178460 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-01X86TTI: Add accurate costs for itofp operations, based on the actual ↵Benjamin Kramer
instruction counts. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178459 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-01Whitespace cleanupJoe Abbey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178454 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-31R600: Emit native instructions for texVincent Lejeune
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178452 91177308-0d34-0410-b5e6-96231b3b80d8
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