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Author SHA1 Message Date
NAKAMURA Takumi
b1a3bafbf1 llvm/test/CodeGen/X86: FileCheck-ize two tests in r171083. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171084 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-26 03:19:30 +00:00
NAKAMURA Takumi
05c8fd9ee2 llvm/test/CodeGen/X86: Disable avx in two tests corresponding to r171082. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171083 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-26 03:08:55 +00:00
Craig Topper
174a3d3e63 Remove alignment from a bunch more VEX encoded operations in the folding tables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171082 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-26 02:44:47 +00:00
Craig Topper
d83a73adf0 Remove alignment from folding table for VMOVUPD as an unaligned instruction it shouldn't require alignment... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171081 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-26 02:14:19 +00:00
Craig Topper
1ac0046fa8 Remove alignment requirements from (V)EXTRACTPS. This instruction does 32-bit stores which aren't required to be aligned on SSE or AVX. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171080 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-26 01:47:12 +00:00
Hal Finkel
a777284158 BBVectorize: Use VTTI to compute costs for intrinsics vectorization 
For the time being this includes only some dummy test cases. Once the
generic implementation of the intrinsics cost function does something other
than assuming scalarization in all cases, or some target specializes the
interface, some real test cases can be added.

Also, for consistency, I changed the type of IID from unsigned to Intrinsic::ID
in a few other places.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171079 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-26 01:36:57 +00:00
Craig Topper
0f77910e6f Remove alignment requirement from VCVTSS2SD in folding tables. Reverting r171049. This instruction doesn't require alignment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171078 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-26 00:35:47 +00:00
Hal Finkel
1d59f5fa53 LoopVectorize: Enable vectorization of the fmuladd intrinsic 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171076 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-25 23:21:29 +00:00
Hal Finkel
64a7a24edf BBVectorize: Enable vectorization of the fmuladd intrinsic 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171075 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-25 22:36:08 +00:00
Hal Finkel
abdf75511b Loosen scheduling restrictions on the PPC dcbt intrinsic 
As with the prefetch intrinsic to which it maps, simply have dcbt
marked as reading from and writing to its arguments instead of having
unmodeled side effects. While this might cause unwanted code motion
(because aliasing checks don't really capture cache-line sharing),
it is more important that prefetches in unrolled loops don't block
the scheduler from rearranging the unrolled loop body.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171073 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-25 18:51:18 +00:00
Hal Finkel
cd9ea51986 Expand PPC64 atomic load and store 
Use of store or load with the atomic specifier on 64-bit types would
cause instruction-selection failures. As with the 32-bit case, these
can use the default expansion in terms of cmp-and-swap.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171072 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-25 17:22:53 +00:00
Evgeniy Stepanov
59a65f7b24 [msan] Fix handling of vectors of pointers. 
VectorType::getInteger() can not be used with them, because pointer size
depends on the target.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171070 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-25 16:04:38 +00:00
Evgeniy Stepanov
6607716368 [msan] Fix handling of select with vector condition. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171069 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-25 14:56:21 +00:00
Benjamin Kramer
50ec431c9f Harden test so it's not affected by changes to compare lowering. 
This only failed on hosts that don't have SSE41.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171066 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-25 13:23:23 +00:00
Benjamin Kramer
99f78061e0 X86: Shave off one shuffle from the pcmpeqq sequence for SSE2 by making use of and commutativity. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171064 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-25 13:09:08 +00:00
Benjamin Kramer
382ed78d3f X86: Custom lower <2 x i64> eq and ne when SSE41 is not available. 
pcmpeqd, pshufd, pshufd, pand is cheaper than unpack + cmpq, sbbq, cmpq, sbbq + pack.
Small speedup on loop-vectorized viterbi (-march=core2).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171063 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-25 12:54:19 +00:00
Alexey Samsonov
4684858624 ASan: initialize callbacks from ASan module pass in a separate function for consistency 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171061 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-25 12:28:20 +00:00
Alexey Samsonov
59cca13a80 ASan: move stack poisoning logic into FunctionStackPoisoner struct 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171060 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-25 12:04:36 +00:00
Nick Lewycky
08d785bc2a Fix whitespace. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171051 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-25 06:13:25 +00:00
Nadav Rotem
a4c8a32a9f VCVTSS2SD requires a strict alignment. Thanks Elena. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171049 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-25 03:29:18 +00:00
Bob Wilson
04de315694 Rename LLVMContext diagnostic handler types and functions. 
These are now generally used for all diagnostics from the backend, not just
for inline assembly, so this drops the "InlineAsm" from the names.  No
functional change.  (I've left aliases for the old names but only for long
enough to let me switch over clang to use the new ones.)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171047 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-25 00:07:12 +00:00
NAKAMURA Takumi
3d662d5586 [CMake] AddLLVM.cmake: Tweak the corner case that "check-all" doesn't have any tests. 
"check-all" can be executed with 0 status, "check-all does nothing, no tools built."

LLVM_EXTERNAL_CLANG_BUILD=OFF LLVM_BUILD_TOOLS=OFF can reproduce this.
Oscar Fuentes reported this. Thank you.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171046 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-24 22:43:59 +00:00
Nick Lewycky
71f30bffcf Quiet gcc's -Wparenthesis warning. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171044 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-24 19:58:45 +00:00
Nick Lewycky
c18f889ee0 Fix typo "Makre" -> "Make". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171043 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-24 19:55:47 +00:00
Benjamin Kramer
791dbb3e5f Use a std::string rather than a dynamically allocated char* buffer. 
This affords us to use std::string's allocation routines and use the destructor
for the memory management. Switching to that also means that we can use
operator==(const std::string&, const char *) to perform the string comparison
rather than resorting to libc functionality (i.e. strcmp).

Patch by Saleem Abdulrasool!

Differential Revision: http://llvm-reviews.chandlerc.com/D230

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171042 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-24 19:23:30 +00:00
Bob Wilson
a0be09f511 Add LLVMContext::emitWarning methods and use them. <rdar://problem/12867368> 
When the backend is used from clang, it should produce proper diagnostics
instead of just printing messages to errs(). Other clients may also want to
register their own error handlers with the LLVMContext, and the same handler
should work for warnings in the same way as the existing emitError methods.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171041 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-24 18:15:21 +00:00
Dmitri Gribenko
fa45cdf646 Fix a typo introduced in r168577: FlAGS -> FLAGS (note the lowercase ell) 
Now we really pass -Wcovered-switch-default if the compiler supports it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171040 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-24 17:52:48 +00:00
Dmitri Gribenko
0fa62a3122 AutoRegen.sh: update reference to documentation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171037 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-24 15:01:59 +00:00
NAKAMURA Takumi
34cb54bea8 llvm/test/CodeGen/X86/fold-vex.ll: Add explicit triple. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171029 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-24 11:14:06 +00:00
Nadav Rotem
1e1c5f37c3 CostModel: We have API for checking the costs of known shuffles. This patch adds 
support for the insert-subvector and extract-subvector kinds.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171027 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-24 10:04:03 +00:00
Elena Demikhovsky
94d7ab7da4 Added 6 more value types: v32i1, v64i1, v32i16, v32i8, v64i8, v8f64 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171026 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-24 10:03:57 +00:00
Elena Demikhovsky
4b254679e7 Removed "static" from "__jit_debug_descriptor" because "static" adds C++ mangling prefix to this symbol. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171025 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-24 09:42:27 +00:00
Nadav Rotem
ace0c2fad7 Some x86 instructions can load/store one of the operands to memory. On SSE, this memory needs to be aligned. 
When these instructions are encoded in VEX (on AVX) there is no such requirement. This changes the folding
tables and removes the alignment restrictions from VEX-encoded instructions.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171024 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-24 09:40:33 +00:00
Nadav Rotem
9e5329d77e LoopVectorizer: When checking for vectorizable types, also check 
the StoreInst operands.

PR14705.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171023 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-24 09:14:18 +00:00
Nadav Rotem
daf7b5c8f2 Change the codegen Cost Model API for shuffeles. This patch removes the API for broadcast and adds a more general API that accepts an enum of known shuffles. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171022 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-24 08:57:47 +00:00
Alexey Samsonov
3a19999413 Fix typo in comments 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171021 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-24 08:52:53 +00:00
Nadav Rotem
99b7a99376 Update the docs of the cost model. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171016 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-24 05:51:12 +00:00
NAKAMURA Takumi
85e910fe5c llvm/MC/MCMachObjectWriter.h: ComputeSymbolTable(): Prune one description in the comment. [-Wdocumentation] 
/// \param StringIndexMap [out] - Map from symbol names to offsets in the string table.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171010 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-24 01:24:04 +00:00
Nadav Rotem
470ea9b72f LoopVectorizer: Fix an endless loop in the code that looks for reductions. 
The bug was in the code that detects PHIs in if-then-else block sequence.

PR14701.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171008 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-24 01:22:06 +00:00
Dmitri Gribenko
a048c237e6 Documentation: fix typos reported in PR13866 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171006 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-23 18:46:11 +00:00
Nadav Rotem
6f3d81a929 CostModel: Change the default target-independent implementation for finding 
the cost of arithmetic functions. We now assume that the cost of arithmetic
operations that are marked as Legal or Promote is low, but ops that are
marked as custom are higher.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171002 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-23 17:31:23 +00:00
Benjamin Kramer
a1acf55738 LoopVectorize: Fix accidentaly inverted condition. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171001 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-23 13:21:41 +00:00
Benjamin Kramer
417872ed08 LoopVectorize: For scalars and void types there is no need to compute vector insert/extract costs. 
Fixes an assert during the build of oggenc in the test suite.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171000 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-23 13:19:18 +00:00
Nadav Rotem
f85ec865f0 We are not ready to estimate the cost of integer expansions based on the number of parts. This test is too noisy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170999 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-23 09:11:07 +00:00
Sean Silva
d63c66890c docs: Add link to external LLVM backend tutorial. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170998 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-23 07:34:51 +00:00
Nadav Rotem
40b04a481d whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170997 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-23 07:33:44 +00:00
Nadav Rotem
677689cf5d Rename a function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170996 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-23 07:30:09 +00:00
Nadav Rotem
d54fed2786 Loop Vectorizer: Update the cost model of scatter/gather operations and make 
them more expensive.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170995 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-23 07:23:55 +00:00
Craig Topper
c4265e1d68 Remove trailing whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170991 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-22 19:15:35 +00:00
Craig Topper
8a8413d75c Remove trailing whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170990 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-22 18:09:02 +00:00