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* Another fix to prevent debug info from affecting codegen. rdar://7797940Jim Grosbach2010-06-041-0/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105470 91177308-0d34-0410-b5e6-96231b3b80d8
* Progress on generating BuiltinsARM.def, still some duplicates to work out.Nate Begeman2010-06-041-3/+110
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105461 91177308-0d34-0410-b5e6-96231b3b80d8
* BuiltinsARM.def emitter, still needs a substantial bit of tweaking to ↵Nate Begeman2010-06-043-71/+119
| | | | | | lighten the load on clang. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105456 91177308-0d34-0410-b5e6-96231b3b80d8
* more dbg_value adjustments so debug info doesn't affect codegenJim Grosbach2010-06-041-2/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105454 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixed a bug during widening where we would avoid legalizing a node. When weMon P Wang2010-06-043-47/+72
| | | | | | | | | | replace an OpA with a widened OpB, it is possible to get new uses of OpA due to CSE when recursively updating nodes. Since OpA has been processed, the new uses are not examined again. The patch checks if this occurred and it it did, updates the new uses of OpA to use OpB. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105453 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove more tail calls.Dale Johannesen2010-06-042-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105450 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove a tail call, and move some CHECKs to theDale Johannesen2010-06-041-3/+3
| | | | | | | | functions where they belong. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105449 91177308-0d34-0410-b5e6-96231b3b80d8
* Mangle __builtin_neon_* names appropriately.Nate Begeman2010-06-042-30/+97
| | | | | | | Add skeleton of support for emitting the list of prototypes for BuiltinsARM.def git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105443 91177308-0d34-0410-b5e6-96231b3b80d8
* No need to special-case structs here; structs are first-class now.Dan Gohman2010-06-041-3/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105442 91177308-0d34-0410-b5e6-96231b3b80d8
* fix typoJim Grosbach2010-06-041-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105441 91177308-0d34-0410-b5e6-96231b3b80d8
* This test doesn't need the ssp attribute.Dan Gohman2010-06-041-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105440 91177308-0d34-0410-b5e6-96231b3b80d8
* For NEON vectors with 32- or 64-bit elements, select BUILD_VECTORs andBob Wilson2010-06-043-31/+75
| | | | | | | | | | | | VECTOR_SHUFFLEs to REG_SEQUENCE instructions. The standard ISD::BUILD_VECTOR node corresponds closely to REG_SEQUENCE but I couldn't use it here because its operands do not get legalized. That is pretty awful, but I guess it makes sense for other targets. Instead, I have added an ARM-specific version of BUILD_VECTOR that will have its operands properly legalized. This fixes the rest of Radar 7872877. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105439 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove tail call. A tail call version will follow.Dale Johannesen2010-06-041-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105438 91177308-0d34-0410-b5e6-96231b3b80d8
* Add some missing checks in TwoAddressInstructionPass::CoalesceExtSubRegs.Bob Wilson2010-06-031-4/+21
| | | | | | | | | | | | Check that all the instructions are in the same basic block, that the EXTRACT_SUBREGs write to the same subregs that are being extracted, and that the source and destination registers are in the same regclass. Some of these constraints can be relaxed with a bit more work. Jakob suggested that the loop that checks for subregs when NewSubIdx != 0 should use the "nodbg" iterator, so I made that change here, too. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105437 91177308-0d34-0410-b5e6-96231b3b80d8
* Cleanup 80-column and trim trailing whitespaceJim Grosbach2010-06-031-33/+33
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105435 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach the ARM load-store optimizer to deal with dbg_value instructions.Jim Grosbach2010-06-031-4/+16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105427 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove tail call to preserve this test. A tailDale Johannesen2010-06-031-1/+1
| | | | | | | | call version will follow. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105422 91177308-0d34-0410-b5e6-96231b3b80d8
* Make this test not use tail calls. A tail callDale Johannesen2010-06-031-3/+3
| | | | | | | | version will follow. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105419 91177308-0d34-0410-b5e6-96231b3b80d8
* Add some additional capabilities to the neon emitterNate Begeman2010-06-031-4/+31
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105416 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a emit-llvm option to the plugin and make the path argument to ↵Rafael Espindola2010-06-031-2/+23
| | | | | | also-emit-llvm optional. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105414 91177308-0d34-0410-b5e6-96231b3b80d8
* Early implementation of tail call for ARM.Dale Johannesen2010-06-036-6/+378
| | | | | | | | | | | A temporary flag -arm-tail-calls defaults to off, so there is no functional change by default. Intrepid users may try this; simple cases work but there are bugs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105413 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix SimplifyDemandedBits' AssertZext logic to demand all the bits. ItDan Gohman2010-06-032-4/+30
| | | | | | | needs to demand the high bits because it's asserting that they're zero. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105406 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert 105308.Bob Wilson2010-06-032-19/+4
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* Perfer !string.empty() over string != "".Nick Lewycky2010-06-031-2/+2
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* Forgot to update the most important part of the gtest modifications readme.Benjamin Kramer2010-06-031-1/+1
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* Whitespace cleanup.Nick Lewycky2010-06-031-5/+5
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* Disable pthread support in googletest if llvm was configured without threads.Benjamin Kramer2010-06-033-0/+15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105390 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't preserve all symbols in a .so and instead trust gold to know what isRafael Espindola2010-06-031-12/+10
| | | | | | | needed. The result is that now we are able to drop unnecessary symbol from shared libraries. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105389 91177308-0d34-0410-b5e6-96231b3b80d8
* Machine sink could potentially sink instructions into a block where the physicalBill Wendling2010-06-033-20/+85
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | registers it defines then interfere with an existing preg live range. For instance, if we had something like these machine instructions: BB#0 ... = imul ... EFLAGS<imp-def,dead> test ..., EFLAGS<imp-def> jcc BB#2 EFLAGS<imp-use> BB#1 ... ; fallthrough to BB#2 BB#2 ... ; No code that defines EFLAGS jcc ... EFLAGS<imp-use> Machine sink will come along, see that imul implicitly defines EFLAGS, but because it's "dead", it assumes that it can move imul into BB#2. But when it does, imul's "dead" imp-def of EFLAGS is raised from the dead (a zombie) and messes up the condition code for the jump (and pretty much anything else which relies upon it being correct). The solution is to know which pregs are live going into a basic block. However, that information isn't calculated at this point. Nor does the LiveVariables pass take into account non-allocatable physical registers. In lieu of this, we do a *very* conservative pass through the basic block to determine if a preg is live coming out of it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105387 91177308-0d34-0410-b5e6-96231b3b80d8
* Turns out gtest still prefers the system <tr1/tuple> over it's ownBenjamin Kramer2010-06-033-0/+9
| | | | | | | implementation. Force the internal one to unbreak clang selfhost on linux. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105386 91177308-0d34-0410-b5e6-96231b3b80d8
* Add first pass at darwin tls compiler support.Eric Christopher2010-06-038-24/+168
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* arm_neon.h now makes it through clang and generates appropriate code for ↵Nate Begeman2010-06-031-19/+112
| | | | | | | | | those functions which can use generic vector operators rather than __builtin_neon_* git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105380 91177308-0d34-0410-b5e6-96231b3b80d8
* One underscore, not two.Eric Christopher2010-06-032-3/+3
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* Implement expansion in type legalization for add/sub with overflow. TheEli Friedman2010-06-033-0/+115
| | | | | | | | | | | | expansion is the same as that used by LegalizeDAG. The resulting code sucks in terms of performance/codesize on x86-32 for a 64-bit operation; I haven't looked into whether different expansions might be better in general. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105378 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove some already-fixed README entries.Eli Friedman2010-06-031-86/+1
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* Remove README entry which no longer compiles to something sane.Eli Friedman2010-06-031-56/+0
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* Remove a fixed item, update a couple partially-fixed items.Eli Friedman2010-06-031-81/+22
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* Use the fast register allocator by default for -O0 builds.Jakob Stoklund Olesen2010-06-031-1/+1
| | | | | | This affects both llvm-gcc and clang. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105372 91177308-0d34-0410-b5e6-96231b3b80d8
* Use readsWritesVirtualRegister instead of counting uses and defs when insertingJakob Stoklund Olesen2010-06-031-46/+8
| | | | | | | | | | | | | spills and reloads. This means that a partial define of a register causes a reload so the other parts of the register are preserved. The reload can be prevented by adding an <imp-def> operand for the full register. This is already done by the coalescer and live interval analysis where relevant. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105369 91177308-0d34-0410-b5e6-96231b3b80d8
* Add full register <imp-def> operands when the coalescer is creating partialJakob Stoklund Olesen2010-06-021-50/+50
| | | | | | | | | register updates. These operands tell the spiller that the other parts of the partially defined register are don't-care, and a reload is not necessary. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105361 91177308-0d34-0410-b5e6-96231b3b80d8
* Speedup bitcode writer. Do not walk all values for all functions to emit ↵Devang Patel2010-06-023-9/+16
| | | | | | function local metadata. In one testcase, probably worst case scenario, the 70x speed up is seen. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105360 91177308-0d34-0410-b5e6-96231b3b80d8
* Compulsive reformating. No functionalitical changes.Bill Wendling2010-06-021-11/+19
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* Slightly change the meaning of the reMaterialize target hook when the originalJakob Stoklund Olesen2010-06-0214-40/+48
| | | | | | | | | | | | | | | | | | | | | | | instruction defines subregisters. Any existing subreg indices on the original instruction are preserved or composed with the new subreg index. Also substitute multiple operands mentioning the original register by using the new MachineInstr::substituteRegister() function. This is necessary because there will soon be <imp-def> operands added to non read-modify-write partial definitions. This instruction: %reg1234:foo = FLAP %reg1234<imp-def> will reMaterialize(%reg3333, bar) like this: %reg3333:bar-foo = FLAP %reg333:bar<imp-def> Finally, replace the TargetRegisterInfo pointer argument with a reference to indicate that it cannot be NULL. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105358 91177308-0d34-0410-b5e6-96231b3b80d8
* Update Readme and Makefiles for the new gtest.Benjamin Kramer2010-06-024-17/+2
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* Merge gtest-1.5.0.Benjamin Kramer2010-06-0224-989/+1497
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* Merge gtest-1.4.0.Benjamin Kramer2010-06-0221-2039/+4137
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105353 91177308-0d34-0410-b5e6-96231b3b80d8
* Merge gtest-1.3.0.Benjamin Kramer2010-06-0220-468/+2089
| | | | | | | OSX users: make sure that CrashReporter is disabled when running unit tests. Death tests are enabled now so you'll get a ton of message boxes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105352 91177308-0d34-0410-b5e6-96231b3b80d8
* Clean up 80 column violations. No functional change.Jim Grosbach2010-06-0219-50/+64
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* arm_neon.h emitter now mostly complete for the purposes of initial testing.Nate Begeman2010-06-021-10/+81
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* Remove the TargetRegisterClass member from CalleeSavedInfoRafael Espindola2010-06-0210-59/+65
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105344 91177308-0d34-0410-b5e6-96231b3b80d8
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