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* R600: Make sure to schedule AR register uses and defs in the same clauseTom Stellard2013-06-051-0/+32
| | | | | | Reviewed-by: vljn at ovi.com git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183294 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "R600: Add a pass that merge Vector Register"Rafael Espindola2013-06-051-30/+0
| | | | | | This reverts commit r183279. CodeGen/R600/texture-input-merge.ll was failing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183286 91177308-0d34-0410-b5e6-96231b3b80d8
* R600: Add a pass that merge Vector RegisterVincent Lejeune2013-06-041-0/+30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183279 91177308-0d34-0410-b5e6-96231b3b80d8
* R600: Const/Neg/Abs can be folded to dot4Vincent Lejeune2013-06-041-0/+27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183278 91177308-0d34-0410-b5e6-96231b3b80d8
* Cortex-R5 can issue Thumb2 integer division instructions.Evan Cheng2013-06-042-20/+23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183275 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM: Fix crash in ARM backend inside of ARMConstantIslandPassDavid Majnemer2013-06-041-0/+14
| | | | | | | | | | | The ARM backend did not expect LDRBi12 to hold a constant pool operand. Allow for LLVM to deal with the instruction similar to how it deals with LDRi12. This fixes PR16215. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183238 91177308-0d34-0410-b5e6-96231b3b80d8
* R600: Swizzle texture/export instructionsVincent Lejeune2013-06-041-5/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183229 91177308-0d34-0410-b5e6-96231b3b80d8
* R600: Add a test for r183108Vincent Lejeune2013-06-041-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183228 91177308-0d34-0410-b5e6-96231b3b80d8
* R600/SI: Add support for work item and work group intrinsicsTom Stellard2013-06-031-0/+211
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183138 91177308-0d34-0410-b5e6-96231b3b80d8
* R600/SI: Add a calling convention for compute shadersTom Stellard2013-06-037-10/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183137 91177308-0d34-0410-b5e6-96231b3b80d8
* R600/SI: Custom lower i64 sign_extendTom Stellard2013-06-031-0/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183136 91177308-0d34-0410-b5e6-96231b3b80d8
* R600/SI: Add support for global loadsTom Stellard2013-06-031-3/+49
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183131 91177308-0d34-0410-b5e6-96231b3b80d8
* R600: use capital letter for PV channelVincent Lejeune2013-06-0314-17/+17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183107 91177308-0d34-0410-b5e6-96231b3b80d8
* Sparc: Add support for indirect branch and blockaddress in Sparc backend.Venkatraman Govindaraju2013-06-031-0/+77
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183094 91177308-0d34-0410-b5e6-96231b3b80d8
* Sparc: When storing 0, use %g0 directly in the store instruction instead ofVenkatraman Govindaraju2013-06-032-0/+27
| | | | | | | using two instructions (sethi and store). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183090 91177308-0d34-0410-b5e6-96231b3b80d8
* Sparc: Combine add/or/sethi instruction with restore if possible.Venkatraman Govindaraju2013-06-024-8/+125
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183088 91177308-0d34-0410-b5e6-96231b3b80d8
* Sparc: Perform leaf procedure optimization by defaultVenkatraman Govindaraju2013-06-029-34/+36
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183083 91177308-0d34-0410-b5e6-96231b3b80d8
* Sparc: Mark functions calling llvm.vastart and llvm.returnaddress intrinsics ↵Venkatraman Govindaraju2013-06-012-0/+24
| | | | | | as non-leaf functions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183079 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r183069: "TMP: LEA64_32r fixing"Tim Northover2013-06-011-4/+3
| | | | | | Very sorry, it was committed from the wrong branch by mistake. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183070 91177308-0d34-0410-b5e6-96231b3b80d8
* TMP: LEA64_32r fixingTim Northover2013-06-011-3/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183069 91177308-0d34-0410-b5e6-96231b3b80d8
* X86: change MOV64ri64i32 into MOV32ri64Tim Northover2013-06-011-10/+10
| | | | | | | | | | | | | | The MOV64ri64i32 instruction required hacky MCInst lowering because it was allocated as setting a GR64, but the eventual instruction ("movl") only set a GR32. This converts it into a so-called "MOV32ri64" which still accepts a (appropriate) 64-bit immediate but defines a GR32. This is then converted to the full GR64 by a SUBREG_TO_REG operation, thus keeping everyone happy. This fixes a typo in the opcode field of the original patch, which should make the legact JIT work again (& adds test for that problem). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183068 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sparc] Generate correct code for leaf functions with stack objects Venkatraman Govindaraju2013-06-011-0/+23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183067 91177308-0d34-0410-b5e6-96231b3b80d8
* Temporarily Revert "X86: change MOV64ri64i32 into MOV32ri64" as itEric Christopher2013-05-311-10/+10
| | | | | | seems to have caused PR16192 and other JIT related failures. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183059 91177308-0d34-0410-b5e6-96231b3b80d8
* Modify how the formulae are rated in Loop Strength Reduce.Quentin Colombet2013-05-311-3/+2
| | | | | | | | | | | | | | | Namely, check if the target allows to fold more that one register in the addressing mode and if yes, adjust the cost accordingly. Prior to this commit, reg1 + scale * reg2 accesses were artificially preferred to reg1 + reg2 accesses. Indeed, the cost model wrongly assumed that reg1 + reg2 needs a temporary register for the computation, whereas it was correctly estimated for reg1 + scale * reg2. <rdar://problem/13973908> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183021 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Don't use LOAD and STORE REVERSED for volatile accessesRichard Sandiford2013-05-314-24/+72
| | | | | | | | | | | | | | | | | | | Unlike most -- hopefully "all other", but I'm still checking -- memory instructions we support, LOAD REVERSED and STORE REVERSED may access the memory location several times. This means that they are not suitable for volatile loads and stores. This patch is a prerequisite for better atomic load and store support. The same principle applies there: almost all memory instructions we support are inherently atomic ("block concurrent"), but LOAD REVERSED and STORE REVERSED are exceptions. Other instructions continue to allow volatile operands. I will add positive "allows volatile" tests at the same time as the "allows atomic load or store" tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183002 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Re-enable support for virtual registers in the final outputJustin Holewinski2013-05-312-35/+35
| | | | | | | | | | | | Now that 3.3 is branched, we are re-enabling virtual registers to help iron out bugs before the next release. Some of the post-RA passes do not play well with virtual registers, so we disable them for now. The needed functionality of the PrologEpilogInserter pass is copied to a new backend-specific NVPTXPrologEpilog pass. The test for this commit is not breaking the existing tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182998 91177308-0d34-0410-b5e6-96231b3b80d8
* X86: change MOV64ri64i32 into MOV32ri64Tim Northover2013-05-311-10/+10
| | | | | | | | | | The MOV64ri64i32 instruction required hacky MCInst lowering because it was allocated as setting a GR64, but the eventual instruction ("movl") only set a GR32. This converts it into a so-called "MOV32ri64" which still accepts a (appropriate) 64-bit immediate but defines a GR32. This is then converted to the full GR64 by a SUBREG_TO_REG operation, thus keeping everyone happy. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182991 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Big-endian code generation for atomic instructions.Akira Hatanaka2013-05-311-160/+335
| | | | | | | Patch by Jyun-Yan You. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182984 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r182937 and r182877.Rafael Espindola2013-05-3024-82/+12
| | | | | | | | | r182877 broke MCJIT tests on ARM and r182937 was working around another failure by r182877. This should make the ARM bots green. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182960 91177308-0d34-0410-b5e6-96231b3b80d8
* Force a triple so we don't get bitten by windows' different regalloc.Benjamin Kramer2013-05-301-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182935 91177308-0d34-0410-b5e6-96231b3b80d8
* Force fragile test to the atom scheduler model.Benjamin Kramer2013-05-301-2/+4
| | | | | | | The pattern the test originally checked for doesn't occur on other -mcpu settings. On atom it's still there though slightly differently scheduled. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182933 91177308-0d34-0410-b5e6-96231b3b80d8
* X86: allow registers 8-15 in testTim Northover2013-05-301-3/+3
| | | | | | | This test was failing on some hosts when an unexpected register was used for a variable. This just extends the regexp to allow the new x86-64 registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182929 91177308-0d34-0410-b5e6-96231b3b80d8
* X86: use sub-register sequences for MOV*r0 operationsTim Northover2013-05-3013-24/+51
| | | | | | | | | | | | Instead of having a bunch of separate MOV8r0, MOV16r0, ... pseudo-instructions, it's better to use a single MOV32r0 (which will expand to "xorl %reg, %reg") and obtain other sizes with EXTRACT_SUBREG and SUBREG_TO_REG. The encoding is smaller and partial register updates can sometimes be avoided. Until recently, this sequence was a barrier to rematerialization though. That should now be fixed so it's an appropriate time to make the change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182928 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Fix case where a sext load of an i1 type may produce anJustin Holewinski2013-05-301-0/+14
| | | | | | ld.u1 instead of an ld.u8. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182924 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Enable unaligned accessesRichard Sandiford2013-05-3012-5/+386
| | | | | | | | The code to distinguish between unaligned and aligned addresses was already there, so this is mostly just a switch-on-and-test process. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182920 91177308-0d34-0410-b5e6-96231b3b80d8
* Change how we iterate over relocations on ELF.Rafael Espindola2013-05-3012-18/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | For COFF and MachO, sections semantically have relocations that apply to them. That is not the case on ELF. In relocatable objects (.o), a section with relocations in ELF has offsets to another section where the relocations should be applied. In dynamic objects and executables, relocations don't have an offset, they have a virtual address. The section sh_info may or may not point to another section, but that is not actually used for resolving the relocations. This patch exposes that in the ObjectFile API. It has the following advantages: * Most (all?) clients can handle this more efficiently. They will normally walk all relocations, so doing an effort to iterate in a particular order doesn't save time. * llvm-readobj now prints relocations in the same way the native readelf does. * probably most important, relocations that don't point to any section are now visible. This is the case of relocations in the rela.dyn section. See the updated relocation-executable.test for example. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182908 91177308-0d34-0410-b5e6-96231b3b80d8
* This testcase tests command line attributes which we don't yet support.Bill Wendling2013-05-301-62/+0
| | | | | | | | In fact, we're probably going to support these flags in completely different ways. So this test is no longer valid. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182899 91177308-0d34-0410-b5e6-96231b3b80d8
* Order CALLSEQ_START and CALLSEQ_END nodes.Andrew Trick2013-05-292-12/+23
| | | | | | | | | | | | Fixes PR16146: gdb.base__call-ar-st.exp fails after pre-RA-sched=source fixes. Patch by Xiaoyi Guo! This also fixes an unsupported dbg.value test case. Codegen was previously incorrect but the test was passing by luck. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182885 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable FastISel on ARM for Linux and NaClJF Bastien2013-05-2924-12/+82
| | | | | | | | | | | | | | | | | | | | | | | | | | | | FastISel was only enabled for iOS ARM and Thumb2, this patch enables it for ARM (not Thumb2) on Linux and NaCl. Thumb2 support needs a bit more work, mainly around register class restrictions. The patch punts to SelectionDAG when doing TLS relocation on non-Darwin targets. I will fix this and other FastISel-to-SelectionDAG failures in a separate patch. The patch also forces FastISel to retain frame pointers: iOS always keeps them for backtracking (so emitted code won't change because of this), but Linux was getting much worse code that was incorrect when using big frames (such as test-suite's lencod). I'll also fix this in a later patch, it will probably require a peephole so that FastISel doesn't rematerialize frame pointers back-to-back. The test changes are straightforward, similar to: http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20130513/174279.html They also add a vararg test that got dropped in that change. I ran all of test-suite on A15 hardware with --optimize-option=-O0 and all the tests pass. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182877 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach ReMaterialization to be more cunning about subregistersTim Northover2013-05-291-2/+2
| | | | | | | | | | | | | | | | This allows rematerialization during register coalescing to handle more cases involving operations like SUBREG_TO_REG which might need to be rematerialized using sub-register indices. For example, code like: v1(GPR64):sub_32 = MOVZ something v2(GPR64) = COPY v1(GPR64) should be convertable to: v2(GPR64):sub_32 = MOVZ something but previously we just gave up in places like this git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182872 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Two tests missing from previous commitRichard Sandiford2013-05-292-0/+218
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182847 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Immediate compare-and-branch supportRichard Sandiford2013-05-294-100/+274
| | | | | | | This patch adds support for the CIJ and CGIJ instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182846 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sparc] Add support for leaf functions in sparc backend. Venkatraman Govindaraju2013-05-291-0/+57
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182822 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Register compare-and-branch supportRichard Sandiford2013-05-2816-49/+426
| | | | | | | | | | | | | | | This patch adds support for the CRJ and CGRJ instructions. Support for the immediate forms will be a separate patch. The architecture has a large number of comparison instructions. I think it's generally better to concentrate on using the "best" comparison instruction first and foremost, then only use something like CRJ if CR really was the natual choice of comparison instruction. The patch therefore opportunistically converts separate CR and BRC instructions into a single CRJ while emitting instructions in ISelLowering. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182764 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert sqrt functions into sqrt instructions when -ffast-math is in effect.Preston Gurd2013-05-271-0/+60
| | | | | | | | | | | | | | | | When -ffast-math is in effect (on Linux, at least), clang defines __FINITE_MATH_ONLY__ > 0 when including <math.h>. This causes the preprocessor to include <bits/math-finite.h>, which renames the sqrt functions. For instance, "sqrt" is renamed as "__sqrt_finite". This patch adds the 3 new names in such a way that they will be treated as equivalent to their respective original names. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182739 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a cpu to try to bring back the atom bots.Rafael Espindola2013-05-271-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182734 91177308-0d34-0410-b5e6-96231b3b80d8
* Prefer to duplicate PPC Altivec loads when expanding unaligned loadsHal Finkel2013-05-261-12/+13
| | | | | | | | | | | | | | | | | | | When expanding unaligned Altivec loads, we use the decremented offset trick to prevent page faults. Unfortunately, if we have a sequence of consecutive unaligned loads, this leads to suboptimal code generation because the 'extra' load from the first unaligned load can be combined with the base load from the second (but only if the decremented offset trick is not used for the first). Search up and down the chain, through loads and token factors, looking for consecutive loads, and if one is found, don't use the offset reduction trick. These duplicate loads are later combined to yield the desired sequence (in the future, we might want a more-powerful chain search, but that will require some changes to allow the combiner routines to access the AA object). This should complete the initial implementation of the optimized unaligned Altivec load expansion. There is some refactoring that should be done, but that will happen when the unaligned store expansion is added. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182719 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR16143: Insert DEBUG_VALUE before terminator.Andrew Trick2013-05-261-0/+130
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182717 91177308-0d34-0410-b5e6-96231b3b80d8
* PPC: Combine duplicate (offset) lvsl Altivec intrinsicsHal Finkel2013-05-251-0/+6
| | | | | | | | | The lvsl permutation control instruction is a function only of the alignment of the pointer operand (relative to the 16-byte natural alignment of Altivec vectors). As a result, multiple lvsl intrinsics where the operands differ by a multiple of 16 can be combined. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182708 91177308-0d34-0410-b5e6-96231b3b80d8
* Track IR ordering of SelectionDAG nodes 4/4.Andrew Trick2013-05-253-0/+49
| | | | | | Unit test cases for -pre-RA-sched=source. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182706 91177308-0d34-0410-b5e6-96231b3b80d8
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