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* Silence GCC's -Wreturn-type warning.Benjamin Kramer2012-01-281-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149179 91177308-0d34-0410-b5e6-96231b3b80d8
* Small improvement to the recursion detection logic from the previous commit.Rafael Espindola2012-01-282-1/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149175 91177308-0d34-0410-b5e6-96231b3b80d8
* Handle recursive variable definitions directly. This gives us better errorRafael Espindola2012-01-283-12/+28
| | | | | | messages and allows us to fix PR11865. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149174 91177308-0d34-0410-b5e6-96231b3b80d8
* [asan] correctly use ConstantExpr::getGetElementPtr. Catch by NAKAMURA TakumiKostya Serebryany2012-01-281-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149172 91177308-0d34-0410-b5e6-96231b3b80d8
* Reapply r149159 with a fix to add to a PHI node with a non-null parent.Bill Wendling2012-01-281-34/+64
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149164 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove code that adds live ranges for dead defs. It seems to be breaking things.Lang Hames2012-01-281-24/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149163 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r149159 until I can fix tests.Bill Wendling2012-01-281-61/+32
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149162 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't always create a separate block for the call to _Unwind_Resume.Bill Wendling2012-01-281-32/+61
| | | | | | | | | | | | Sometimes there is only one 'resume' instruction per function. In those situations, we don't need a separate block for the call to _Unwind_Resume. In fact, it adds a lot of overhead to code-gen if we do that -- especially at -O0. If we have a single 'resume' instruction, just generate the call within that block. <rdar://problem/10694814> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149159 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix Record Name ReferenceDavid Greene2012-01-281-1/+1
| | | | | | Get the record name though the init to avoid an assert. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149153 91177308-0d34-0410-b5e6-96231b3b80d8
* Silence warning about parens for && within ||Lang Hames2012-01-271-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149152 91177308-0d34-0410-b5e6-96231b3b80d8
* Add r149110 back with a fix for when the vector and the int have the sameRafael Espindola2012-01-276-9/+78
| | | | | | width. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149151 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove Deprecated FeaturesDavid Greene2012-01-271-250/+51
| | | | | | | | | | | | Move to a model where we build whatever branches are checked out in the source directories. This was a bit too smart (and complicated) in handling details best left to the user and the revision control system. In addition, get rid of support for llvm-gcc and building gcc as these are no longer necessary. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149149 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r149110 and add a testcase that was crashing since that revision.Rafael Espindola2012-01-274-53/+15
| | | | | | | Unfortunately I also had to disable constant-pool-sharing.ll the code it tests has been updated to use the IL logic. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149148 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a "moveInstr" method to LiveIntervals. This can be used to move instructionsLang Hames2012-01-274-1/+234
| | | | | | | | | | around within a basic block while maintaining live-intervals. Updated ScheduleTopDownLive in MachineScheduler.cpp to use the moveInstr API when reordering MIs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149147 91177308-0d34-0410-b5e6-96231b3b80d8
* Backing out ill-considered 'refactor'.Lang Hames2012-01-271-39/+53
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149146 91177308-0d34-0410-b5e6-96231b3b80d8
* Move some duplicate loops in the coalescer into their own function.Lang Hames2012-01-271-53/+39
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149144 91177308-0d34-0410-b5e6-96231b3b80d8
* Intel Syntax: Parse mem operand with seg reg. QWORD PTR FS:[320]Devang Patel2012-01-272-3/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149142 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typo.Jim Grosbach2012-01-271-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149137 91177308-0d34-0410-b5e6-96231b3b80d8
* Move some patterns back near their instructions and use AddedComplexity to ↵Craig Topper2012-01-271-49/+41
| | | | | | fix priority. Merge some patterns into their instruction definition. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149122 91177308-0d34-0410-b5e6-96231b3b80d8
* Physreg dead defs should be handled too.Lang Hames2012-01-271-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149118 91177308-0d34-0410-b5e6-96231b3b80d8
* smallvectorize.Chris Lattner2012-01-271-6/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149117 91177308-0d34-0410-b5e6-96231b3b80d8
* continue making the world safe for ConstantDataVector. At this point,Chris Lattner2012-01-2710-75/+108
| | | | | | | | | we should (theoretically optimize and codegen ConstantDataVector as well as ConstantVector. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149116 91177308-0d34-0410-b5e6-96231b3b80d8
* Unix line endingsMatt Beaumont-Gay2012-01-271-19/+19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149115 91177308-0d34-0410-b5e6-96231b3b80d8
* Place the GEP instructions nearer to the instructions which use them.Bill Wendling2012-01-271-37/+36
| | | | | | | | | | | | GEP instructions are there for the compiler and shouldn't really output much code (if any at all). When a GEP is stored in the entry block, Fast ISel (for one) will not know that it could fold it into further uses. For instance, inside of the EH handling code. This results in a lot of unnecessary spills and loads which bloat code and slows down pretty much everything. <rdar://problem/10694814> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149114 91177308-0d34-0410-b5e6-96231b3b80d8
* make sure the file's matching header is #include'd first.Chris Lattner2012-01-271-3/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149113 91177308-0d34-0410-b5e6-96231b3b80d8
* Rewrite CanShareConstantPoolEntry to be implemented in terms of theChris Lattner2012-01-271-26/+26
| | | | | | | | | | mid-level constant folding APIs instead of doing its own analysis. This makes it more general (e.g. can now share a <2 x i64> with a <4 x i32>) and avoid duplicating a bunch of logic. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149111 91177308-0d34-0410-b5e6-96231b3b80d8
* enhance constant folding to be able to constant fold bitcast of Chris Lattner2012-01-273-2/+51
| | | | | | | ConstantVector's to integer type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149110 91177308-0d34-0410-b5e6-96231b3b80d8
* Keep source location information for X86 MCFixup's.Jim Grosbach2012-01-272-18/+23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149106 91177308-0d34-0410-b5e6-96231b3b80d8
* Source information in 'expected relocatable expression' diagnostic.Jim Grosbach2012-01-271-1/+1
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* Better user diagnostics for more ARM MachO relocation errors.Jim Grosbach2012-01-271-4/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149102 91177308-0d34-0410-b5e6-96231b3b80d8
* Better diagnostic for malformed .org assembly directive.Jim Grosbach2012-01-279-19/+26
| | | | | | Provide source line number information. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149101 91177308-0d34-0410-b5e6-96231b3b80d8
* Rewrite instruction operands in AdjustCopiesBackFrom. Fixes PR11861.Lang Hames2012-01-272-4/+27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149097 91177308-0d34-0410-b5e6-96231b3b80d8
* Tidy up.Jim Grosbach2012-01-261-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149096 91177308-0d34-0410-b5e6-96231b3b80d8
* Keep source information, if available, around for ARM Fixups.Jim Grosbach2012-01-263-9/+15
| | | | | | | | | | | | | | | | | Adjust an example MachObjectWriter diagnostic to use the information to issue a better message. Before: LLVM ERROR: unknown ARM fixup kind! After: x.s:6:5: error: unsupported relocation on symbol beq bar ^ rdar://9800182 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149093 91177308-0d34-0410-b5e6-96231b3b80d8
* Add simple support for keeping MCFixup source information.Jim Grosbach2012-01-264-2/+38
| | | | | | | Can be used to issue more user friendly diagnostics for faulty relocation constructs and such. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149092 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc pass through SourceMgr to MCContext.Jim Grosbach2012-01-261-1/+1
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* Add SourceMgr to MCContext for backend diagnostics.Jim Grosbach2012-01-262-3/+7
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* Handle call-clobbered ymm registers on Win64.Jakob Stoklund Olesen2012-01-263-1/+56
| | | | | | | | | | | | | | The Win64 calling convention has xmm6-15 as callee-saved while still clobbering all ymm registers. Add a YMM_HI_6_15 pseudo-register that aliases the clobbered part of the ymm registers, and mark that as call-clobbered. This allows live xmm registers across calls. This hack wouldn't be necessary with RegisterMask operands representing the call clobbers, but they are not quite operational yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149088 91177308-0d34-0410-b5e6-96231b3b80d8
* Use -H on darwin as well.Eric Christopher2012-01-261-1/+1
| | | | | | Patch by Liang Wang! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149085 91177308-0d34-0410-b5e6-96231b3b80d8
* progress making the world safe to ConstantDataVector. WhileChris Lattner2012-01-264-64/+93
| | | | | | | | | we're at it, allow PatternMatch's "neg" pattern to match integer vector negations, and enhance ComputeNumSigned bits to handle shl of vectors. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149082 91177308-0d34-0410-b5e6-96231b3b80d8
* tidy up forward declarations.Chris Lattner2012-01-262-9/+5
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* smallvectorize and ArrayRef'ize some stuff.Chris Lattner2012-01-262-5/+5
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* Reduce a lot of code duplication by implementing Chris Lattner2012-01-261-138/+16
| | | | | | | | | | | ConstantExpr::getWithOperandReplaced and ConstantExpr::replaceUsesOfWithOnConstant in terms of ConstantExpr::getWithOperands. While we're at it, make sure that ConstantExpr::getWithOperands covers all instructions: it was missing insert/extractvalue. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149076 91177308-0d34-0410-b5e6-96231b3b80d8
* Update comment for r149070.Chad Rosier2012-01-261-3/+1
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* Replace the use of isPredicable() with isPredicated() inChad Rosier2012-01-262-3/+46
| | | | | | | | | MachineBasicBlock::canFallThrough(). We're interested in the state of the instruction (i.e., is this a barrier or not?), not if the instruction is predicable or not. rdar://10501092 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149070 91177308-0d34-0410-b5e6-96231b3b80d8
* Clear kill flags before propagating a copy.Jakob Stoklund Olesen2012-01-264-1/+145
| | | | | | | | | | The live range of the source register may be extended when a redundant copy is eliminated. Make sure any kill flags between the two copies are cleared. This fixes PR11765. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149069 91177308-0d34-0410-b5e6-96231b3b80d8
* Tidy up. Fix mismatched return types for error handling.Jim Grosbach2012-01-261-8/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149062 91177308-0d34-0410-b5e6-96231b3b80d8
* comment tweaksGabor Greif2012-01-261-15/+15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149060 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for the R_ARM_TARGET1 relocation, which should be given to ↵James Molloy2012-01-268-3/+44
| | | | | | | | | | relocations applied to all C++ constructors and destructors. This enables the linker to match concrete relocation types (absolute or relative) with whatever library or C++ support code is being linked against. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149057 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix for the following bug in AVX codegen for double-to-int conversions:Victor Umansky2012-01-263-3/+22
| | | | | | | | | | | | | | | . "fptosi" and "fptoui" IR instructions are defined with round-to-zero rounding mode. . Currently for AVX mode for <4xdouble> and <8xdouble> the "VCVTPD2DQ.128" and "VCVTPD2DQ.256" instructions are selected (for .fp_to_sint. DAG node operation ) by AVX codegen. However they use round-to-nearest-even rounding mode. . Consequently, the conversion produces incorrect numbers. The fix is to replace selection of VCVTPD2DQ instructions with VCVTTPD2DQ instructions. The latter use truncate (i.e. round-to-zero) rounding mode. As .fp_to_sint. DAG node operation is used only for lowering of "fptosi" and "fptoui" IR instructions, the fix in X86InstrSSE.td definition file doesn.t have an impact on other LLVM flows. The patch includes changes in the .td file, LIT test for the changes and a fix in a legacy LIT test (which produced asm code conflicting with LLVN IR spec). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149056 91177308-0d34-0410-b5e6-96231b3b80d8
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