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* Revert 'Fix a typo 'iff' => 'if''. iff is an abreviation of if and only if. ↵Sylvestre Ledru2012-09-2784-295/+295
| | | | | | See: http://en.wikipedia.org/wiki/If_and_only_if Commit 164767 llvm-svn: 164768
* Fix a typo 'iff' => 'if'Sylvestre Ledru2012-09-2784-295/+295
| | | | llvm-svn: 164767
* Prefer shuffles to selects. Backends love shuffles!Nick Lewycky2012-09-273-2/+55
| | | | llvm-svn: 164763
* Add constructors to the attribute builder.Bill Wendling2012-09-271-0/+3
| | | | llvm-svn: 164762
* Add missing function CreateFPCast to the TargetFolder. It's there in the otherNick Lewycky2012-09-271-1/+8
| | | | | | | | | | | | folders and not having it here fails to compile if you actually try to use it. Also, CreatePointerCast was failing to do the part where it does TD-aware constant folding. Granted there is exactly one case where that it will ever do anything, but there's no reason to skip it. For reference, that case is a subtraction between two constant offsets on the same global variable, eg., "&A[123] - &A[4].f". llvm-svn: 164760
* [arm-fast-isel] Add support for ELF PIC.Jush Lu2012-09-276-2/+141
| | | | | | | This is a preliminary step towards ELF support; currently ARMFastISel hasn't been used for ELF object files yet. llvm-svn: 164759
* Test case for r164755 and 164756.Akira Hatanaka2012-09-272-0/+294
| | | | llvm-svn: 164757
* MIPS DSP: rddsp (instruction which reads DSPControl register fields to a GPR).Akira Hatanaka2012-09-272-0/+26
| | | | llvm-svn: 164756
* MIPS DSP: CMPU.EQ.QB instruction sub-class.Akira Hatanaka2012-09-272-0/+224
| | | | llvm-svn: 164755
* MIPS DSP: ADDU.QB instruction sub-class.Akira Hatanaka2012-09-274-0/+504
| | | | llvm-svn: 164754
* MIPS DSP: Branch on Greater Than or Equal To Value 32 in DSPControl Pos ↵Akira Hatanaka2012-09-275-0/+113
| | | | | | Field instruction. llvm-svn: 164751
* MIPS DSP: all the remaining instructions which read or write accumulators.Akira Hatanaka2012-09-275-0/+792
| | | | llvm-svn: 164750
* MIPS DSP: add support for extract-word instructions.Akira Hatanaka2012-09-275-0/+334
| | | | llvm-svn: 164749
* MIPS DSP: add functions which decode DSP and accumulator registers.Akira Hatanaka2012-09-271-0/+29
| | | | llvm-svn: 164748
* MIPS DSP: add code necessary for pseudo instruction lowering.Akira Hatanaka2012-09-275-2/+22
| | | | llvm-svn: 164747
* MIPS DSP: add bitcast patterns between vectors and int.Akira Hatanaka2012-09-271-0/+10
| | | | | | No test cases. These patterns will get tested along with dsp intrinsics. llvm-svn: 164746
* MIPS DSP: add vector load/store patterns.Akira Hatanaka2012-09-273-0/+45
| | | | llvm-svn: 164744
* Fix of hang during Intel JIT profilingAndrew Kaylor2012-09-262-12/+10
| | | | | | Committed on behalf of Kirill Uhanov llvm-svn: 164736
* Buildbot Fix.Bill Wendling2012-09-261-1/+2
| | | | | | | | This method can be called with a '0' argument which checks the return value. However, the method it calls doesn't expect '0' as a valid value. Call the correct method when it's 0. llvm-svn: 164735
* Disable the new SROA pass to get the tree back in working order. We don't yetNick Lewycky2012-09-261-1/+1
| | | | | | have testcases for the current problems. llvm-svn: 164731
* Add IRBuilder code for adding !tbaa.struct metadata tags to llvm.memcpy calls.Dan Gohman2012-09-262-4/+11
| | | | llvm-svn: 164728
* Query the parameter attributes directly instead of using the Attribute symbols.Bill Wendling2012-09-262-8/+8
| | | | llvm-svn: 164727
* Remove the `hasFnAttr' method from Function.Bill Wendling2012-09-2631-61/+66
| | | | | | | The hasFnAttr method has been replaced by querying the Attributes explicitly. No intended functionality change. llvm-svn: 164725
* X86_32: Large Symbol+Offset relocations.Jim Grosbach2012-09-262-8/+76
| | | | | | | | | | If the offset is more than 24-bits, it won't fit in a scattered relocation offset field, so we fall back to using a non-scattered relocation. rdar://12358909 llvm-svn: 164724
* Initial commit for the AttributesImpl class.Bill Wendling2012-09-265-55/+239
| | | | | | | | This opaque class will contain all of the attributes. All attribute queries will go through this object. This object will also be uniqued in the LLVMContext. Currently not used, so no implementation change. llvm-svn: 164722
* Add case clauses for returning dsp accumulator encoding values in functionAkira Hatanaka2012-09-261-2/+4
| | | | | | getMipsRegisterNumbering. llvm-svn: 164720
* Add DSP accumulator registers and register class. Remove hi/lo registers.Akira Hatanaka2012-09-261-33/+9
| | | | llvm-svn: 164719
* Delete member MipsFunctionInfo::OutArgFIRange and code that accesses it.Akira Hatanaka2012-09-263-31/+8
| | | | llvm-svn: 164718
* Add support for detecting some corei7-class Xeons.Benjamin Kramer2012-09-261-0/+2
| | | | llvm-svn: 164714
* Now that invoke of an intrinsic is possible (for the llvm.do.nothing intrinsic)Duncan Sands2012-09-262-4/+18
| | | | | | | teach the callgraph logic to not create callgraph edges to intrinsics for invoke instructions; it already skips this for call instructions. Fixes PR13903. llvm-svn: 164707
* YAMLParser: Fix invalid reads when encountering incorrectly quoted scalar.Benjamin Kramer2012-09-261-0/+7
| | | | | | Fixes PR12632. llvm-svn: 164701
* Remove unneeded and invalid SetInsertPoint calls from unittest.Benjamin Kramer2012-09-261-8/+0
| | | | | | BB->end() returns a sentinel value that is not a legal insert point. llvm-svn: 164699
* APFloat::roundToIntegral: Special values don't keep the exponent value up to ↵Benjamin Kramer2012-09-262-1/+18
| | | | | | | | date, don't rely on it. Add a couple of unit tests for special floats. Fixes 13929, found by MemorySanitizer. llvm-svn: 164698
* Address Duncan's comments on r164684:Hans Wennborg2012-09-263-11/+31
| | | | | | | | - Put statistics in alphabetical order - Don't use getZextValue when building TableInt, just use APInts - Introduce Create{Z,S}ExtOrTrunc in IRBuilder. llvm-svn: 164696
* Address Duncan's comments on r164682:Hans Wennborg2012-09-261-6/+4
| | | | | | | - Finish assert messages with exclamation mark - Move overflow checking into ShouldBuildLookupTable. llvm-svn: 164692
* Analogous fix to memset and memcpy rewriting. Don't have a test caseChandler Carruth2012-09-261-0/+16
| | | | | | | contrived for these yet, as I spotted them by inspection and the test cases are a bit more tricky to phrase. llvm-svn: 164691
* When rewriting the pointer operand to a load or store which hasChandler Carruth2012-09-262-0/+24
| | | | | | | alignment guarantees attached, re-compute the alignment so that we consider offsets which impact alignment. llvm-svn: 164690
* Teach all of the loads, stores, memsets and memcpys created by theChandler Carruth2012-09-263-47/+95
| | | | | | | | | | | | | rewriter in SROA to carry a proper alignment. This involves interrogating various sources of alignment, etc. This is a more complete and principled fix to PR13920 as well as related bugs pointed out by Eli in review and by inspection in the area. Also by inspection fix the integer and vector promotion paths to create aligned loads and stores. I still need to work up test cases for these... Sorry for the delay, they were found purely by inspection. llvm-svn: 164689
* Add some convenience methods to IRBuilder for constructing aligned loadsChandler Carruth2012-09-261-0/+25
| | | | | | | and stores. These will be used in subsequnet patches to SROA to more systematically manage the alignment on loads and stores. llvm-svn: 164688
* ARM/atomicrmw_minmax.ll: Fix RUN line.NAKAMURA Takumi2012-09-261-1/+1
| | | | llvm-svn: 164687
* Fix tests that didn't test anything.Benjamin Kramer2012-09-263-4/+3
| | | | llvm-svn: 164686
* Fix ordering of operands on lowering of atomicrmw min/max nodes on ARM.James Molloy2012-09-262-2/+23
| | | | llvm-svn: 164685
* SimplifyCFG: Make the switch-to-lookup table transformation store theHans Wennborg2012-09-262-26/+162
| | | | | | | | | | | | | | | | tables in bitmaps when they fit in a target-legal register. This saves some space, and it also allows for building tables that would otherwise be deemed too sparse. One interesting case that this hits is example 7 from http://blog.regehr.org/archives/320. We currently generate good code for this when lowering the switch to the selection DAG: we build a bitmask to decide whether to jump to one block or the other. My patch will result in the same bitmask, but it removes the need for the jump, as the return value can just be retrieved from the mask. llvm-svn: 164684
* SimplifyCFG: Refactor the switch-to-lookup table transformation byHans Wennborg2012-09-261-72/+115
| | | | | | breaking out the building of lookup tables into a separate class. llvm-svn: 164682
* llvm/test/CodeGen/X86/mulx*.ll: Fix copypasto.NAKAMURA Takumi2012-09-262-2/+2
| | | | llvm-svn: 164681
* The assumption that /proc/self/exe always exists is incorrect.Sylvestre Ledru2012-09-261-4/+13
| | | | | | | | | | | For example, under a Linux chroot, /proc/ might not be mounted. Therefor, we test if this file exist. If it is the case, use it (the current behavior). Otherwise, we fall back to the detection used by *BSD. The issue has been reported initially on the Debian bug tracker: http://bugs.debian.org/674588 llvm-svn: 164676
* Add SARX/SHRX/SHLX code generation supportMichael Liao2012-09-265-2/+241
| | | | llvm-svn: 164675
* Add RORX code generation supportMichael Liao2012-09-266-5/+86
| | | | llvm-svn: 164674
* Add MULX code generation supportMichael Liao2012-09-264-27/+127
| | | | llvm-svn: 164673
* Teach the 'lint' sanity checking pass to detect simple buffer overflows.Duncan Sands2012-09-262-19/+51
| | | | llvm-svn: 164671
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