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2013-03-02ARM NEON: Fix v2f32 float intrinsicsArnold Schwaighofer
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
2013-03-02recommit r172363 & r171325 (reverted in r172756)Nuno Lopes
This adds minimalistic support for PHI nodes to llvm.objectsize() evaluation fingers crossed so that it does break clang boostrap again.. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176408 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-02X86 cost model: Adjust cost for custom lowered vector multipliesArnold Schwaighofer
This matters for example in following matrix multiply: int **mmult(int rows, int cols, int **m1, int **m2, int **m3) { int i, j, k, val; for (i=0; i<rows; i++) { for (j=0; j<cols; j++) { val = 0; for (k=0; k<cols; k++) { val += m1[i][k] * m2[k][j]; } m3[i][j] = val; } } return(m3); } Taken from the test-suite benchmark Shootout. We estimate the cost of the multiply to be 2 while we generate 9 instructions for it and end up being quite a bit slower than the scalar version (48% on my machine). Also, properly differentiate between avx1 and avx2. On avx-1 we still split the vector into 2 128bits and handle the subvector muls like above with 9 instructions. Only on avx-2 will we have a cost of 9 for v4i64. I changed the test case in test/Transforms/LoopVectorize/X86/avx1.ll to use an add instead of a mul because with a mul we now no longer vectorize. I did verify that the mul would be indeed more expensive when vectorized with 3 kernels: for (i ...) r += a[i] * 3; for (i ...) m1[i] = m1[i] * 3; // This matches the test case in avx1.ll and a matrix multiply. In each case the vectorized version was considerably slower. radar://13304919 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176403 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-02PR14448 - prevent the loop vectorizer from vectorizing the same loop twice.Nadav Rotem
The LoopVectorizer often runs multiple times on the same function due to inlining. When this happens the loop vectorizer often vectorizes the same loops multiple times, increasing code size and adding unneeded branches. With this patch, the vectorizer during vectorization puts metadata on scalar loops and marks them as 'already vectorized' so that it knows to ignore them when it sees them a second time. PR14448. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176399 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-02Revert "Rewrite a test to count emitted instructions without using -stats"Michael Gottesman
This reverts commit aac7922b8fe7ae733d3fe6697e6789fd730315dc. I am reverting the commit since it broke the phase 1 public buildbot for a few hours. http://lab.llvm.org:8013/builders/clang-x86_64-darwin11-nobootstrap-RA/builds/2137 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176394 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01[mips] Fix inefficient code generation.Akira Hatanaka
This patch eliminates the need to emit a constant move instruction when this pattern is matched: (select (setgt a, Constant), T, F) The pattern above effectively turns into this: (conditional-move (setlt a, Constant + 1), F, T) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176384 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01Rewrite a test to count emitted instructions without using -statsEli Bendersky
Also removed the comments of "should produce..." because they completely don't match the actually produced output. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176381 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01Set properties for f128 type.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176378 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01Rewrite a test to check actual output rather than intermediate implementationEli Bendersky
detail. The was this test was written, it was relying on an implementation detail (fixups) and hence was very brittle (relying, among other things, on the exact ordering of statistics printed by MC). The test was rewritten to check a more observable output difference. While it doesn't cover 100% of the things the original test covered, it's a good practice to write regression tests this way. If we want to check that internal details and invariants hold, such tests should be expressed as unit tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176377 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01No need to force-create clang-tools-extra lit.site.cfgEdwin Vane
The make (all) target takes care of creating lit configs and auto-generating tests. The problem with the original 'lit.site.cfg' target is it's not recursive and doesn't fully create everything necessary for testing clang-tools-extra. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176374 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01Add regression tests (WORKSFORME)Michael Liao
- These tests wont't crash on trunk but would be better to add them so that they don't break again in the future. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176369 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01Generate an error message instead of asserting or segfaulting when we can'tChad Rosier
handle indirect register inputs. rdar://13322011 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176367 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01LoopVectorize: Don't hang forever if a PHI only has skipped PHI uses.Benjamin Kramer
Fixes PR15384. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176366 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01Fix PR10475Michael Liao
- ISD::SHL/SRL/SRA must have either both scalar or both vector operands but TLI.getShiftAmountTy() so far only return scalar type. As a result, backend logic assuming that breaks. - Rename the original TLI.getShiftAmountTy() to TLI.getScalarShiftAmountTy() and re-define TLI.getShiftAmountTy() to return target-specificed scalar type or the same vector type as the 1st operand. - Fix most TICG logic assuming TLI.getShiftAmountTy() a simple scalar type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176364 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01Add support for using non-pic code for arm and thumb1 when emitting the sjljChad Rosier
dispatch code. As far as I can tell the thumb2 code is behaving as expected. I was able to compile and run the associated test case for both arm and thumb1. rdar://13066352 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176363 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01R600/SI: fix sampler tests after fixing wait insertionsChristian Konig
Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Tom Stellard <thomas.stellard@amd.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176359 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01Hexagon: Add constant extender support framework.Jyotsna Verma
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176358 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01[mips] Remove unused option. Fix 80-column violations.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176330 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01[mips] Add the capability to search delay slot filling instructions inAkira Hatanaka
successor basic blocks. Currently this is off by default. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176329 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01[mips] Add capability to search in the forward direction for instructions thatAkira Hatanaka
can fill the delay slot. Currently, this is off by default. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176320 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01[mips] Define class MemDefsUses.Akira Hatanaka
This class tracks dependence between memory instructions using underlying objects of memory operands. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176313 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Fix a bug in instcombine for fmul in fast math mode.Quentin Colombet
The instcombine recognized pattern looks like: a = b * c d = a +/- Cst or a = b * c d = Cst +/- a When creating the new operands for fadd or fsub instruction following the related fmul, the first operand was created with the second original operand (M0 was created with C1) and the second with the first (M1 with Opnd0). The fix consists in creating the new operands with the appropriate original operand, i.e., M0 with Opnd0 and M1 with C1. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176300 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Cost model support for lowered math builtins.Benjamin Kramer
We make the cost for calling libm functions extremely high as emitting the calls is expensive and causes spills (on x86) so performance suffers. We still vectorize important calls like ceilf and friends on SSE4.1. and fabs. Differential Revision: http://llvm-reviews.chandlerc.com/D466 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176287 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28AArch64: remove post-encoder method from FCMP (immediate) instructions.Tim Northover
The work done by the post-encoder (setting architecturally unused bits to 0 as required) can be done by the existing operand that covers the "#0.0". This removes at least one use of the discouraged PostEncoderMethod uses. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176261 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28AArch64: be more careful resorting to inefficient addressing for weak vars.Tim Northover
If an otherwise weak var is actually defined in this unit, it can't be undefined at runtime so we can use normal global variable sequences (ADRP/ADD) to access it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176259 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28AArch64: don't drop GlobalAddress offset when handling extern_weak decls.Tim Northover
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176258 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28AArch64: Use cbnz instead of cmp/b.ne pair for atomic operations.Tim Northover
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176253 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28[msan] Implement sanitize_memory attribute.Evgeniy Stepanov
Shadow checks are disabled and memory loads always produce fully initialized values in functions that don't have a sanitize_memory attribute. Value and argument shadow is propagated as usual. This change also updates blacklist behaviour to match the above. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176247 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Corrections for XFAIL armv5 testsRenato Golin
Most of the tests that behave differently on llvm-arm-linux buildbot did so becase the triple wasn't set correctly to armv5, so we can revert most of the special behaviour added previously. Some tests still need the special treatment, though. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176243 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Debug Info: for static member variables, always put AT_MIPS_linkage_name to theManman Ren
definition DIE (TAG_variable), and put AT_MIPS_linkage_name to TAG_member when DarwinGDBCompat is true. Darwin GDB needs AT_MIPS_linkage_name at both places to work. Follow-up patch to r176143. rdar://problem/13291234 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176220 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27ARM: FMA is legal only if VFP4 is available.Jim Grosbach
rdar://13306723 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176212 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27ARM: permit full range of valid ADR immediates.Tim Northover
This fixes an issue where trying to assemlbe valid ADR instructions would cause LLVM to hit a failed assertion. Patch by Keith Walker. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176189 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27LoopVectorize: Vectorize math builtin calls.Benjamin Kramer
This properly asks TargetLibraryInfo if a call is available and if it is, it can be translated into the corresponding LLVM builtin. We don't vectorize sqrt() yet because I'm not sure about the semantics for negative numbers. The other intrinsic should be exact equivalents to the libm functions. Differential Revision: http://llvm-reviews.chandlerc.com/D465 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176188 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27IR: Don't constant fold GEP bitcasts between different address spacesMeador Inge
PR15262 reported a bug where the following instruction: i8 getelementptr inbounds i8* bitcast ([4 x i8] addrspace(12)* @buf to i8*), i32 2 was getting folded into: addrspace(12)* getelementptr inbounds ([4 x i8] addrspace(12)* @buf, i32 0, i32 2) This caused instcombine to crash because the original instruction and the folded instruction have different types. The issue was fixed by disallowing bitcasts between different address spaces to be folded away. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176156 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27SelectionDAG: If llvm.donothing has a landingpad, we should clearManman Ren
CurrentCallSite to avoid an assertion failure: assert(MMI.getCurrentCallSite() == 0 && "Overlapping call sites!"); rdar://problem/13228754 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176154 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Debug Info: for static member variables, add AT_MIPS_linkage_name to theManman Ren
definition DIE, to make old GDB happy. We have a regression for old GDB when Clang uses DW_TAG_member to declare static members inside a class, instead of DW_TAG_variable. This patch will fix this regression. rdar://problem/13291234 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176143 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-26Constant fold vector bitcasts of halves similarly to how floats and doubles ↵Michael Ilseman
are folded. Test case included. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176131 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-26Revert r176120 as it caused a failure at static-member.cppManman Ren
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176129 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-26Fix PR15332 (patch by Florian Zeitz).Bill Schmidt
There's no need to generate a stack frame for PPC32 SVR4 when there are no local variables assigned to the stack, i.e., when no red zone is needed. (PPC64 supports a red zone, but PPC32 does not.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176124 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-26Debug Info: for static member variables, move AT_MIPS_linkage_name fromManman Ren
TAG_member inside a class to the specification DIE. Having AT_MIPS_linkage_name on TAG_member caused old gdb (GNU 6.3.50) to error out. Also gcc 4.7 has AT_MIPS_linkage_name on the specification DIE. rdar://problem/13291234 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176120 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-26Add a test case for r176066.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176119 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-26AsmParser: More generic support for integer type suffices.Jim Grosbach
For integer constants, allow 'L', 'UL' as well as 'ULL' and 'LL'. This provides better support for shared headers between .s and .c files that define bunches of constant values. rdar://9321056 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176118 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-26Remove a few unused arguments.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176109 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-26Proper XFAILs for ARMv7 / v5Renato Golin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176095 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-26Fix PR15359.Bill Schmidt
The PowerPC TLS relocation types were not previously added to the necessary list in MCELFStreamer::fixSymbolsInTLSFixups(). Now they are! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176094 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-26Unify clang/llvm attributes for asan/tsan/msan (LLVM part)Kostya Serebryany
These are two related changes (one in llvm, one in clang). LLVM: - rename address_safety => sanitize_address (the enum value is the same, so we preserve binary compatibility with old bitcode) - rename thread_safety => sanitize_thread - rename no_uninitialized_checks -> sanitize_memory CLANG: - add __attribute__((no_sanitize_address)) as a synonym for __attribute__((no_address_safety_analysis)) - add __attribute__((no_sanitize_thread)) - add __attribute__((no_sanitize_memory)) for S in address thread memory If -fsanitize=S is present and __attribute__((no_sanitize_S)) is not set llvm attribute sanitize_S git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176075 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-25Fix PR10499Michael Liao
- Check whether SSE is available before lowering all 1s vector building with PCMPEQD, which is only available from SSE2 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176058 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-25Remove extraneous attribute number.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176053 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-25[fast-isel] Add X86FastIsel::FastLowerArguments to handle functions with 6 orChad Rosier
fewer scalar integer (i32 or i64) arguments. It completely eliminates the need for SDISel for trivial functions. Also, add the new llc -fast-isel-abort-args option, which is similar to -fast-isel-abort option, but for formal argument lowering. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176052 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-25pre-RA-sched fix: only reevaluate physreg interferences when necessary.Andrew Trick
Fixes rdar:13279013: scheduler was blowing up on select instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176037 91177308-0d34-0410-b5e6-96231b3b80d8
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