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* Implement ARM unwind opcode assembler.Logan Chien2013-04-165-13/+148
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179591 91177308-0d34-0410-b5e6-96231b3b80d8
* Replace coff-/elf-dump with llvm-readobjNico Rieck2013-04-126-114/+127
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179361 91177308-0d34-0410-b5e6-96231b3b80d8
* Add missing colons to check lines.Benjamin Kramer2013-04-111-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179277 91177308-0d34-0410-b5e6-96231b3b80d8
* FileCheckize a bunch of tests.Benjamin Kramer2013-04-111-5/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179276 91177308-0d34-0410-b5e6-96231b3b80d8
* DAGCombiner: Fold a shuffle on CONCAT_VECTORS into a new CONCAT_VECTORS if ↵Benjamin Kramer2013-04-091-0/+23
| | | | | | | | | | | | | | | | | | | | possible. This pattern occurs in SROA output due to the way vector arguments are lowered on ARM. The testcase from PR15525 now compiles into this, which is better than the code we got with the old scalarrepl: _Store: ldr.w r9, [sp] vmov d17, r3, r9 vmov d16, r1, r2 vst1.8 {d16, d17}, [r0] bx lr Differential Revision: http://llvm-reviews.chandlerc.com/D647 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179106 91177308-0d34-0410-b5e6-96231b3b80d8
* Reverting 178851 as it broke buildbotsRenato Golin2013-04-051-110/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178883 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix for PR14824: "Optimization arm_ldst_opt inserts newly generated ↵Stepan Dyatkovskiy2013-04-051-0/+110
| | | | | | | | | | | | | | | | | | | instruction vldmia at incorrect position". Patch introduces memory operands tracking in ARMLoadStoreOpt::LoadStoreMultipleOpti. For each register it keeps the order of load operations as it was before optimization pass. It is kind of deep improvement of fix proposed by Hao: http://llvm.org/bugs/show_bug.cgi?id=14824#c4 But it also tracks conflicts between different register classes (e.g. D2 and S5). For more details see: Bug description: http://llvm.org/bugs/show_bug.cgi?id=14824 LLVM Commits discussion: http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20130311/167936.html http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20130318/168688.html http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20130325/169376.html http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20130401/170238.html git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178851 91177308-0d34-0410-b5e6-96231b3b80d8
* Avoid high-latency false CPSR dependencies even for tMOVSi.Jakob Stoklund Olesen2013-04-041-0/+31
| | | | | | | | | | | | | | | | | The Thumb2SizeReduction pass avoids false CPSR dependencies, except it still aggressively creates tMOVi8 instructions because they are so common. Avoid creating false CPSR dependencies even for tMOVi8 instructions when the the CPSR flags are known to have high latency. This allows integer computation to overlap floating point computations. Also process blocks in a reverse post-order and propagate high-latency flags to successors. <rdar://problem/13468102> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178773 91177308-0d34-0410-b5e6-96231b3b80d8
* New-password-test commit.Stepan Dyatkovskiy2013-04-041-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178765 91177308-0d34-0410-b5e6-96231b3b80d8
* DAGCombiner: Merge store/loads when we have extload/truncstoresArnold Schwaighofer2013-04-021-0/+98
| | | | | | | | | | | | | | | | This is helps on architectures where i8,i16 are not legal but we have byte, and short loads/stores. Allowing us to merge copies like the one below on ARM. copy(char *a, char *b, int n) { do { int t0 = a[0]; int t1 = a[1]; b[0] = t0; b[1] = t1; radar://13536387 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178546 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the old CodePlacementOpt pass.Benjamin Kramer2013-03-293-5/+5
| | | | | | It was superseded by MachineBlockPlacement and disabled by default since LLVM 3.1. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178349 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "Adding DIImportedModules to DIScopes."David Blaikie2013-03-2810-270/+270
| | | | | | | | | This reverts commit 342d92c7a0adeabc9ab00f3f0d88d739fe7da4c7. Turns out we're going with a different schema design to represent DW_TAG_imported_modules so we won't need this extra field. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178215 91177308-0d34-0410-b5e6-96231b3b80d8
* Enabling the generation of dependency breakers for partial updates on ↵Silviu Baranga2013-03-272-2/+41
| | | | | | Cortex-A15. Also fixing a small bug in getting the update clearence for VLD1LNd32. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178134 91177308-0d34-0410-b5e6-96231b3b80d8
* Adding DIImportedModules to DIScopes.David Blaikie2013-03-2710-270/+270
| | | | | | | | | | | | This is just the basic groundwork for supporting DW_TAG_imported_module but I wanted to commit this before pushing support further into Clang or LLVM so that this rather churny change is isolated from the rest of the work. The major churn here is obviously adding another field (within the common DIScope prefix) to all DIScopes (files, classes, namespaces, lexical scopes, etc). This should be the last big churny change needed for DW_TAG_imported_module/using directive support/PR14606. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178099 91177308-0d34-0410-b5e6-96231b3b80d8
* Reorder the DIFile field in DILexicalBlock to become a prefix common with ↵David Blaikie2013-03-226-28/+28
| | | | | | other DIScopes git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177703 91177308-0d34-0410-b5e6-96231b3b80d8
* Move the DIFile in DISubprogram to the beginning to be a common prefix along ↵David Blaikie2013-03-211-1/+1
| | | | | | with other DIScopes git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177674 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix Darwin NEON FP and increase coverageRenato Golin2013-03-216-13/+19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177664 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unused field in DISubprogramDavid Blaikie2013-03-219-27/+27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177661 91177308-0d34-0410-b5e6-96231b3b80d8
* Avoid NEON SP-FP unless unsafe-math or DarwinRenato Golin2013-03-218-11/+120
| | | | | | | | | | NEON is not IEEE 754 compliant, so we should avoid lowering single-precision floating point operations with NEON unless unsafe-math is turned on. The equivalent VFP instructions are IEEE 754 compliant, but in some cores they're much slower, so some archs/OSs might still request it to be on by default, such as Swift and Darwin. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177651 91177308-0d34-0410-b5e6-96231b3b80d8
* Debug info: refactor the first field of DICompileUnit to be a raw ↵David Blaikie2013-03-205-5/+5
| | | | | | | | file/directory pair This removes the DICompileUnit special case from DIScope. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177610 91177308-0d34-0410-b5e6-96231b3b80d8
* When computing the demanded bits of Load SDNodes, make sure that we are ↵Nadav Rotem2013-03-201-0/+35
| | | | | | | | | | looking at the loaded-value operand and not the ptr result (in case of pre-inc loads). rdar://13348420 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177596 91177308-0d34-0410-b5e6-96231b3b80d8
* Debug Info: Swap the 2nd and 3rd parameters to DICompileUnit to match the ↵David Blaikie2013-03-205-5/+5
| | | | | | common DIScope prefix git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177595 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unused field in DICompileUnitDavid Blaikie2013-03-2010-10/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177590 91177308-0d34-0410-b5e6-96231b3b80d8
* Refactor the DIFile (2nd) parameter to DITypes to be an MDNode reference to ↵David Blaikie2013-03-204-84/+84
| | | | | | | | | a raw directory/file pair This makes DIType's first non-tag parameter the same as DIFile's, allowing them to both share the common implementation of getFilename/getDirectory in DIScope. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177467 91177308-0d34-0410-b5e6-96231b3b80d8
* Move the DIFile operand to DITypes from the 4th operand to the 2nd.David Blaikie2013-03-196-121/+121
| | | | | | | | This is another step along the way to making all DIScopes have a common prefix which can be added to in a general manner to support using directives (DW_TAG_imported_module). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177462 91177308-0d34-0410-b5e6-96231b3b80d8
* Improve long vector sext/zext lowering on ARMRenato Golin2013-03-191-52/+71
| | | | | | | | | | | | | The ARM backend currently has poor codegen for long sext/zext operations, such as v8i8 -> v8i32. This patch addresses this by performing a custom expansion in ARMISelLowering. It also adds/changes the cost of such lowering in ARMTTI. This partially addresses PR14867. Patch by Pete Couperus git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177380 91177308-0d34-0410-b5e6-96231b3b80d8
* Extend global merge pass to optionally consider global constant variables.Quentin Colombet2013-03-181-1/+52
| | | | | | | Also add some checks to not merge globals used within landing pad instructions or marked as "used". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177331 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unnecessary leading comment characters in lit-only fileDavid Blaikie2013-03-181-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177327 91177308-0d34-0410-b5e6-96231b3b80d8
* Include '.test' suffix in target specific lit configs that need itDavid Blaikie2013-03-181-1/+1
| | | | | | | | | | Apparently my final cleanup to use a relevant suffix for these tests before committing r176831 caused them to stop running since lit wasn't configured to run tests with that suffix in those directories (why don't we just have a global suffix list?). So, add the suffix to the relevant directories & fix the test that has bitrotted over the last week due to my debug info schema changes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177315 91177308-0d34-0410-b5e6-96231b3b80d8
* Split out filename & directory from DIFile to start generalizing over DIScopesDavid Blaikie2013-03-1710-61/+84
| | | | | | | | | | This is the first step to making all DIScopes have a common metadata prefix (so that things (using directives, for example) that can appear in any scope can be added to that common prefix). DIFile is itself a DIScope so the common prefix of all DIScopes cannot be a DIFile - instead it's the raw filename/directory name pair. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177239 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM cost model: Fix costs for some vector selectsArnold Schwaighofer2013-03-151-106/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I was too pessimistic in r177105. Vector selects that fit into a legal register type lower just fine. I was mislead by the code fragment that I was using. The stores/loads that I saw in those cases came from lowering the conditional off an address. Changing the code fragment to: %T0_3 = type <8 x i18> %T1_3 = type <8 x i1> define void @func_blend3(%T0_3* %loadaddr, %T0_3* %loadaddr2, %T1_3* %blend, %T0_3* %storeaddr) { %v0 = load %T0_3* %loadaddr %v1 = load %T0_3* %loadaddr2 ==> FROM: ;%c = load %T1_3* %blend ==> TO: %c = icmp slt %T0_3 %v0, %v1 ==> USE: %r = select %T1_3 %c, %T0_3 %v0, %T0_3 %v1 store %T0_3 %r, %T0_3* %storeaddr ret void } revealed this mistake. radar://13403975 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177170 91177308-0d34-0410-b5e6-96231b3b80d8
* Adding an A15 specific optimization pass for interactions between S/D/Q ↵Silviu Baranga2013-03-151-0/+57
| | | | | | registers. The pass handles all the required transformations pre-regalloc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177169 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM: Fix an old refacto.Benjamin Kramer2013-03-151-2/+12
| | | | | | Fixes PR15520. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177167 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM cost model: Increase cost of some vector selects we do terrible onArnold Schwaighofer2013-03-141-0/+207
| | | | | | | | | | | | | | | | | By terrible I mean we store/load from the stack. This matters on PAQp8 in _Z5trainPsS_ii (which is inlined into Mixer::update) where we decide to vectorize a loop with a VF of 8 resulting in a 25% degradation on a cortex-a8. LV: Found an estimated cost of 2 for VF 8 For instruction: icmp slt i32 LV: Found an estimated cost of 2 for VF 8 For instruction: select i1, i32, i32 The bug that tracks the CodeGen part is PR14868. radar://13403975 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177105 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the unused 4th operand for DIFile debug info metadataDavid Blaikie2013-03-135-17/+17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176983 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM cost model: Add test case to make sure we would notice a change in CodeGenArnold Schwaighofer2013-03-131-0/+153
| | | | | | | | | | In r176898 I updated the cost model to reflect the fact that sext/zext/cast on v8i32 <-> v8i8 and v16i32 <-> v16i8 are expensive. This test case is so that we make sure to update the cost model once we fix CodeGen. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176955 91177308-0d34-0410-b5e6-96231b3b80d8
* Refactor filename/directory in DICompileUnit into a DIFileDavid Blaikie2013-03-1310-10/+10
| | | | | | | This is the next step towards making the metadata for DIScopes have a common prefix rather than having to delegate based on their tag type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176913 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unused "isMain" field from DICompileUnitDavid Blaikie2013-03-1210-10/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176910 91177308-0d34-0410-b5e6-96231b3b80d8
* Update debug info test cases with empty SplitDebugFilename field.David Blaikie2013-03-124-4/+4
| | | | | | | | | | | | This could be 'null' or the empty string, DIDescriptor::getStringField coalesces the two cases anyway so it's just a matter of legible/efficient representation. The change in behavior of the DICompileUnit::get* functions could be subsumed by the full verification check - but ideally that should just be an assertion if we could front-load the actual debug info metadata failure paths. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176907 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert the test moves from 176733. Use "REQUIRES: asserts" instead.Jan Wen Voung2013-03-124-8/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176873 91177308-0d34-0410-b5e6-96231b3b80d8
* Upgrading debug info test cases to be (more) compatible with the current ↵David Blaikie2013-03-118-17/+17
| | | | | | | | | | | | debug info format. These cases were found by further work to remove support for debug info versioning. Common cleanups (other than changing the version info in the tag field) included adding the last parameter to compile_units (recently added for fission support) and other cases of trailing fields in lexical blocks, compile units, and subprograms. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176834 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove duplicate test contents.David Blaikie2013-03-112-28/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176831 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove date from test case file name. The PR number provides a unique ID ↵Lang Hames2013-03-111-0/+0
| | | | | | already. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176796 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't glue users to extract_subreg when selecting the llvm.arm.ldrexdLang Hames2013-03-091-0/+13
| | | | | | | | | | | intrinsic - it can cause impossible-to-schedule subgraphs to be introduced. PR15053. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176777 91177308-0d34-0410-b5e6-96231b3b80d8
* Test case hygiene.Benjamin Kramer2013-03-093-3/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176772 91177308-0d34-0410-b5e6-96231b3b80d8
* Disable statistics on Release builds and move tests that depend on -stats.Jan Wen Voung2013-03-084-0/+8
| | | | | | | | | | | | | | | | | Summary: Statistics are still available in Release+Asserts (any +Asserts builds), and stats can also be turned on with LLVM_ENABLE_STATS. Move some of the FastISel stats that were moved under DEBUG() back out of DEBUG(), since stats are disabled across the board now. Many tests depend on grepping "-stats" output. Move those into a orig_dir/Stats/. so that they can be marked as unsupported when building without statistics. Differential Revision: http://llvm-reviews.chandlerc.com/D486 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176733 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r176154 in favor of a better approach.Bill Wendling2013-03-081-6/+39
| | | | | | | | | | | | | | | | | | | | Code generation makes some basic assumptions about the IR it's been given. In particular, if there is only one 'invoke' in the function, then that invoke won't be going away. However, with the advent of the `llvm.donothing' intrinsic, those invokes may go away. If all of them go away, the landing pad no longer has any users. This confuses the back-end, which asserts. This happens with SjLj exceptions, because that's the model that modifies the IR based on there being invokes, etc. in the function. Remove any invokes of `llvm.donothing' during SjLj EH preparation. This will give us a CFG that the back-end won't be confused about. If all of the invokes in a function are removed, then the SjLj EH prepare pass won't insert the bogus code the relies upon the invokes being there. <rdar://problem/13228754&13316637> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176677 91177308-0d34-0410-b5e6-96231b3b80d8
* Upgrade tests to the latest debug info format.David Blaikie2013-03-0810-406/+412
| | | | | | | | | | | | | | Mostly this is just changing the named metadata (llvm.dbg.sp, llvm.dbg.gv, llvm.dbg.<func>.lv, etc -> llvm.dbg.cu), adding a few fields to older records (DIVariable: flags/inlined-at, DICompileUnit: sp/gv/types, DISubprogram: local variables list) The tests to update were discovered by a change I'm working on to remove debug info version support - so any tests using old debug info versions I haven't updated probably are bad tests or just not actually designed to test debug info. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176671 91177308-0d34-0410-b5e6-96231b3b80d8
* [fast-isel] Add support for the expect intrinsic.Chad Rosier2013-03-071-0/+12
| | | | | | rdar://13370942 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176649 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM NEON: Fix v2f32 float intrinsicsArnold Schwaighofer2013-03-021-0/+377
| | | | | | Mark them as expand, they are not legal as our backend does not match them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176410 91177308-0d34-0410-b5e6-96231b3b80d8