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* ARM integrated assembler should encoding choice for add/sub imm.Jim Grosbach2012-03-302-0/+33
| | | | | | | | | For 'adds r2, r2, #56' outside of an IT block, the 16-bit encoding T2 can be used for this syntax. Prefer the narrow encoding when possible. rdar://11156277 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153759 91177308-0d34-0410-b5e6-96231b3b80d8
* Handle unreachable code in the dominates functions. This changes users whenRafael Espindola2012-03-306-11/+239
| | | | | | | needed for correctness, but still doesn't clean up code that now unnecessary checks for reachability. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153755 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-factored RuntimeDyLd:Danil Malyshev2012-03-309-1073/+753
| | | | | | | | | | | | | | | 1. The main works will made in the RuntimeDyLdImpl with uses the ObjectFile class. RuntimeDyLdMachO and RuntimeDyLdELF now only parses relocations and resolve it. This is allows to make improvements of the RuntimeDyLd more easily. In addition the support for COFF can be easily added. 2. Added ARM relocations to RuntimeDyLdELF. 3. Added support for stub functions for the ARM, allowing to do a long branch. 4. Added support for external functions that are not loaded from the object files, but can be loaded from external libraries. Now MCJIT can correctly execute the code containing the printf, putc, and etc. 5. The sections emitted instead functions, thanks Jim Grosbach. MemoryManager.startFunctionBody() and MemoryManager.endFunctionBody() have been removed. 6. MCJITMemoryManager.allocateDataSection() and MCJITMemoryManager. allocateCodeSection() used JMM->allocateSpace() instead of JMM->allocateCodeSection() and JMM->allocateDataSection(), because I got an error: "Cannot allocate an allocated block!" with object file contains more than one code or data sections. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153754 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM assembly parsing needs to be paranoid about negative immediates.Jim Grosbach2012-03-302-4/+7
| | | | | | | | Make sure to treat immediates as unsigned when doing relative comparisons. rdar://11153621 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153753 91177308-0d34-0410-b5e6-96231b3b80d8
* Add computeMaskedBitsLoad back, as it was the change to instsimplify thatRafael Espindola2012-03-301-0/+26
| | | | | | caused the slowdown last time. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153747 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a note about a missed cmov -> sbb opportunity.Benjamin Kramer2012-03-301-0/+18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153741 91177308-0d34-0410-b5e6-96231b3b80d8
* Cleanup whitespace. Doxygenize comments. And indent to llvm coding standards.Bill Wendling2012-03-301-214/+119
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153740 91177308-0d34-0410-b5e6-96231b3b80d8
* Ensure conditional BL instructions for ARM are given the fixup ↵James Molloy2012-03-308-12/+61
| | | | | | | | | | fixup_arm_condbranch. Patch by Tim Northover! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153737 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM target should allow codegenprep to duplicate ret instructions to enable ↵Evan Cheng2012-03-302-1/+43
| | | | | | tailcall opt. rdar://11140249 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153717 91177308-0d34-0410-b5e6-96231b3b80d8
* Testcase for r153710.Bill Wendling2012-03-301-0/+35
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153711 91177308-0d34-0410-b5e6-96231b3b80d8
* Add testcase for r153705Bill Wendling2012-03-301-0/+59
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153706 91177308-0d34-0410-b5e6-96231b3b80d8
* If we have a VLA that has a "use" in a metadata node that's then usedBill Wendling2012-03-301-1/+12
| | | | | | | | | | | | | | | | | here but it has no other uses, then we have a problem. E.g., int foo (const int *x) { char a[*x]; return 0; } If we assign 'a' a vreg and fast isel later on has to use the selection DAG isel, it will want to copy the value to the vreg. However, there are no uses, which goes counter to what selection DAG isel expects. <rdar://problem/11134152> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153705 91177308-0d34-0410-b5e6-96231b3b80d8
* Change the constant in this testcase so that it results in a constant poolLang Hames2012-03-291-3/+3
| | | | | | | load. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153704 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r153694. It was causing failures in the buildbots.Bill Wendling2012-03-2957-1828/+1073
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153701 91177308-0d34-0410-b5e6-96231b3b80d8
* Invalidate liveness in ARMConstantIslandPass.Jakob Stoklund Olesen2012-03-291-0/+4
| | | | | | | | | | This pass splits basic blocks to insert constant islands, and it doesn't recompute the live-in lists. No later passes depend on accurate liveness information. This fixes PR12410 where the machine code verifier was complaining. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153700 91177308-0d34-0410-b5e6-96231b3b80d8
* Prefer even-odd D-register pairs.Jakob Stoklund Olesen2012-03-291-1/+2
| | | | | | | | | | | We are sometimes allocatinog from the DPair register class which contains odd-even pairs in addition to the Q registers. Place the Q registers first in the DPair allocation order as they can be copied with a single instruction. The odd-even pairs should only be allocated as a last resort. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153699 91177308-0d34-0410-b5e6-96231b3b80d8
* Filecheck-ize this test so that it actually tests something reasonable.Chandler Carruth2012-03-291-2/+13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153697 91177308-0d34-0410-b5e6-96231b3b80d8
* Try using vmov.i32 to materialize FP32 constants that can't be materialized byLang Hames2012-03-291-23/+54
| | | | | | | vmov.f32. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153696 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-factored RuntimeDyld.Danil Malyshev2012-03-2957-1073/+1828
| | | | | | Added ExecutionEngine/MCJIT tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153694 91177308-0d34-0410-b5e6-96231b3b80d8
* Lowercase the tag name to match the rest of dwarf.Eric Christopher2012-03-294-5/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153691 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM assembly 'cmp lr, #0' should not encode using 'cmn'.Jim Grosbach2012-03-294-4/+10
| | | | | | | | | The CMP->CMN alias was matching for an immediate of zero when it should only match for negative values. rdar://11129224 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153689 91177308-0d34-0410-b5e6-96231b3b80d8
* The shuffle scheduler is only available in asserts build - make misched-new.llLang Hames2012-03-291-0/+1
| | | | | | | testcase require asserts. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153687 91177308-0d34-0410-b5e6-96231b3b80d8
* Handle register copies for the new ARM register classes.Jakob Stoklund Olesen2012-03-291-19/+41
| | | | | | | | | | | | | ARM recently gained DPair, DTriple, and DQuad register classes. Update copyPhysReg() to handle copies in these register classes. No test case, it is difficult to make the register allocator emit the odd copies reliably. The missing DPair copy caused a failure on partialsums in the nightly test suite. <rdar://problem/11147997> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153686 91177308-0d34-0410-b5e6-96231b3b80d8
* Drop O4 from the llc manpage, it was removed in r70445.Benjamin Kramer2012-03-291-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153684 91177308-0d34-0410-b5e6-96231b3b80d8
* Make x86 REP_MOV* and REP_STO instructions use the correct operand sizes in ↵Lang Hames2012-03-292-25/+59
| | | | | | 64-bit mode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153680 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix missed files in JIT unittests MakefileDanil Malyshev2012-03-291-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153672 91177308-0d34-0410-b5e6-96231b3b80d8
* Expand FREM.Akira Hatanaka2012-03-292-0/+15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153671 91177308-0d34-0410-b5e6-96231b3b80d8
* Add more constness to CodeGenRegisters.Jakob Stoklund Olesen2012-03-293-7/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153667 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't PRE compares.Jakob Stoklund Olesen2012-03-292-1/+76
| | | | | | | | | | | | CodeGenPrepare sinks compare instructions down to their uses to prevent live flags and predicate registers across basic blocks. PRE of a compare instruction prevents that, forcing the i1 compare result into a general purpose register. That is usually more expensive than the redundant compare PRE was trying to eliminate in the first place. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153657 91177308-0d34-0410-b5e6-96231b3b80d8
* Replace assert(0) with llvm_unreachable to avoid warnings about dropping off ↵Benjamin Kramer2012-03-291-6/+5
| | | | | | the end of a non-void function in Release builds. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153643 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for objc property decls according to the page at:Eric Christopher2012-03-296-15/+65
| | | | | | | | | | http://llvm.org/docs/SourceLevelDebugging.html#objcproperty including type and DECL. Expand the metadata needed accordingly. rdar://11144023 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153639 91177308-0d34-0410-b5e6-96231b3b80d8
* Make some headway towards compiling all of LLVM.Bill Wendling2012-03-292-36/+55
| | | | | | | | | | | | | | | | | | Module-level ASM may contain definitions of functions and globals. However, we were not telling the linker that these globals had definitions. As far as it was concerned, they were just declarations. Attempt to resolve this by inserting module-level ASM functions and globals into the '_symbol' set so that the linker will know that they have values. This gets us further towards our goal of compiling LLVM, but it still has problems when linking libLTO.dylib because of the `-dead_strip' flag that's passed to the linker. <rdar://problem/11124216> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153638 91177308-0d34-0410-b5e6-96231b3b80d8
* Only allow symbolic names for (v)cmpss/sd/ps/pd encodings 8-31 to be used ↵Craig Topper2012-03-291-12/+13
| | | | | | with 'v' version of instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153636 91177308-0d34-0410-b5e6-96231b3b80d8
* For X86, change load/dec-or-inc/store into dec-or-inc, respectively.Joel Jones2012-03-293-101/+273
| | | | | | | | | | | | | | | | | This is a code change to add support for changing instruction sequences of the form: load inc/dec of 8/16/32/64 bits store into the appropriate X86 inc/dec through memory instruction: inc[qlwb] / dec[qlwb] The checks that were in X86DAGToDAGISel::Select(SDNode *Node)>>ISD::STORE have been extracted to isLoadIncOrDecStore and reworked to use the better named wrappers for getOperand(unsigned) (e.g. getOffset()) and replaced Chain.getNode() with LoadNode. The comments have also been expanded. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153635 91177308-0d34-0410-b5e6-96231b3b80d8
* Cleanup whitespace.Bill Wendling2012-03-291-15/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153634 91177308-0d34-0410-b5e6-96231b3b80d8
* Cache the end() iterator.Bill Wendling2012-03-291-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153632 91177308-0d34-0410-b5e6-96231b3b80d8
* Reverted to revision 153616 to unblock buildJoel Jones2012-03-293-273/+101
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153623 91177308-0d34-0410-b5e6-96231b3b80d8
* For X86, change load/dec-or-inc/store into dec-or-inc, respectively.Joel Jones2012-03-293-101/+273
| | | | | | | | | | | | | | | | | This is a code change to add support for changing instruction sequences of the form: load inc/dec of 8/16/32/64 bits store into the appropriate X86 inc/dec through memory instruction: inc[qlwb] / dec[qlwb] The checks that were in X86DAGToDAGISel::Select(SDNode *Node)>>ISD::STORE have been extracted to isLoadIncOrDecStore and reworked to use the better named wrappers for getOperand(unsigned) (e.g. getOffset()) and replaced Chain.getNode() with LoadNode. The comments have also been expanded. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153617 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable machine code verification in the entire code generator.Jakob Stoklund Olesen2012-03-283-15/+5
| | | | | | | | | | Some targets still mess up the liveness information, but that isn't verified after MRI->invalidateLiveness(). The verifier can still check other useful things like register classes and CFG, so it should be enabled after all passes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153615 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable machine code verification after PreSched2 passes.Jakob Stoklund Olesen2012-03-282-2/+4
| | | | | | | | | | The late scheduler depends on accurate liveness information if it is breaking anti-dependencies, so we should be able to verify it. Relax the terminator checking in the machine code verifier so it can handle the basic blocks created by if conversion. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153614 91177308-0d34-0410-b5e6-96231b3b80d8
* Cleanup some whitespaces.Bill Wendling2012-03-282-136/+132
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153612 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't kill the base register when expanding strd.Jakob Stoklund Olesen2012-03-282-0/+19
| | | | | | | | | | | | | | When an strd instruction doesn't get the registers it wants, it can be expanded into two str instructions. Make sure the first str doesn't kill the base register in the case where the base and data registers are identical: t2STRi12 %R0<kill>, %R0, 4, pred:14, pred:%noreg t2STRi12 %R2<kill>, %R0, 8, pred:14, pred:%noreg <rdar://problem/11101911> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153611 91177308-0d34-0410-b5e6-96231b3b80d8
* Preserve implicit defs in ARMLoadStoreOptimizer.Jakob Stoklund Olesen2012-03-282-4/+23
| | | | | | | | | | | When a number of sub-register VLRDS instructions are combined into a VLDM, preserve any super-register implicit defs. This is required to keep the register scavenger and machine code verifier happy. Enable machine code verification after ARMLoadStoreOptimizer. ARM/2012-01-26-CopyPropKills.ll was failing because of this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153610 91177308-0d34-0410-b5e6-96231b3b80d8
* Tidy up. Whitespace.Jim Grosbach2012-03-281-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153609 91177308-0d34-0410-b5e6-96231b3b80d8
* Move getPointerToNamedFunction() from JIT/MCJIT to JITMemoryManager.Danil Malyshev2012-03-2814-332/+233
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153607 91177308-0d34-0410-b5e6-96231b3b80d8
* Handle intrinsics in GlobalsModRef. Fixes pr12351.Rafael Espindola2012-03-282-0/+39
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153604 91177308-0d34-0410-b5e6-96231b3b80d8
* Spill DPair registers, not just QPR.Jakob Stoklund Olesen2012-03-284-7/+22
| | | | | | | | | The arm_neon intrinsics can create virtual registers from the DPair register class which allows both even-odd and odd-even D-register pairs. This fixes PR12389. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153603 91177308-0d34-0410-b5e6-96231b3b80d8
* Also verify after ExpandPostRAPseudos.Jakob Stoklund Olesen2012-03-281-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153599 91177308-0d34-0410-b5e6-96231b3b80d8
* Inline function into its one caller.Bill Wendling2012-03-281-7/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153598 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable machine code verification after the late machine optimization passes.Jakob Stoklund Olesen2012-03-281-3/+3
| | | | | | | Branch folding invalidates liveness and disables liveness verification on some targets. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153597 91177308-0d34-0410-b5e6-96231b3b80d8
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