Commit Graph

17679 Commits

Author SHA1 Message Date
NAKAMURA Takumi
64b5015900 test/ExecutionEngine/MCJIT/stubs-remote.ll: Prune DOSish CRLF.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168281 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-18 06:16:21 +00:00
Nick Lewycky
294c965146 Don't try to calculate the alignment of an unsigned type. Fixes PR14371!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168280 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-18 05:39:39 +00:00
Andrew Trick
953663a9aa Silence the buildbots for this test while I figure out the triple
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168249 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-17 03:39:26 +00:00
Andrew Trick
e1f663933a Broaden isSchedulingBoundary to check aliases of SP.
On PPC the stack pointer is X1, but ADJCALLSTACK writes R1.

Fixes PR14315: Register regmask dependency problem with misched.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168248 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-17 03:35:11 +00:00
Hal Finkel
c37f502d48 Phi speculation improvement for BasicAA
This is a partial solution to PR14351. It removes some of the special
significance of the first incoming phi value in the phi aliasing checking logic
in BasicAA. In the context of a loop, the old logic assumes that the first
incoming value is the interesting one (meaning that it is the one that comes
from outside the loop), but this is often not the case.  With this change, we
now test first the incoming value that comes from a block other than the parent
of the phi being tested.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168245 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-17 02:33:15 +00:00
Eli Friedman
43147afd71 Mark FP_EXTEND form v2f32 to v2f64 as "expand" for ARM NEON. Patch by Pete Couperus.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168240 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-17 01:52:46 +00:00
Chad Rosier
0a63b6ac79 [fast-isel] Add the -verify-machineinstrs to these test cases. The remaining
test cases require fixes to fast-isel before the verifier can be enabled.
Part of rdar://12594152

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168233 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-17 00:42:06 +00:00
Nadav Rotem
9a6823516f LoopVectorizer: Add initial support for pointer induction variables (for example: *dst++ = *src++).
At the moment we still require to have an integer induction variable (for example: i++).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168231 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-17 00:27:03 +00:00
Akira Hatanaka
94e472832f Initial implementation of MipsTargetLowering::isLegalAddressingMode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168230 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-17 00:25:41 +00:00
Evan Cheng
fd22019ec3 Teach SROA rewriteVectorizedStoreInst to handle cases when the loaded value is narrower than the stored value. rdar://12713675
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168227 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-17 00:05:06 +00:00
Andrew Kaylor
784c5bb8b5 Marking remote mcjit tests as XFAIL for cygwin (hopefully only temporarily).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168226 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-17 00:02:50 +00:00
Andrew Kaylor
21414e953a Marking remote mcjit tests as XFAIL for mingw32 (hopefully only temporarily).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168221 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-16 23:38:16 +00:00
Andrew Kaylor
3bae2696ff Marking remote mcjit tests as XFAIL for ARM (hopefully only temporarily).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168210 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-16 22:21:04 +00:00
Weiming Zhao
e56764bad1 Remove hard coded registers in ARM ldrexd and strexd instructions
This patch replaces the hard coded GPR pair [R0, R1] of
Intrinsic:arm_ldrexd and [R2, R3] of Intrinsic:arm_strexd with
even/odd GPRPair reg class.
Similar to the lowering of atomic_64 operation.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168207 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-16 21:55:34 +00:00
Anton Korobeynikov
b1a392e7c5 Make sure FABS on v2f32 and v4f32 is legal on ARM NEON
This fixes PR14359


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168200 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-16 21:15:20 +00:00
Richard Osborne
ccc015d431 Fix handling of aliases to functions.
An alias to a function should use pc relative addressing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168199 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-16 21:12:38 +00:00
Justin Holewinski
2085d00d09 [NVPTX] Order global variables in def-use order before emiting them in the final assembly
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168198 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-16 21:03:51 +00:00
Justin Holewinski
eaff2d55a9 Preserve address space of forward-referenced global variables in the LL parser
Before, the parser would assert on the following code:

@a2 = global i8 addrspace(1)* @a
@a = addrspace(1) global i8 0

because the type of @a was "i8*" instead of "i8 addrspace(1)*" when parsing
the initializer for @a2.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168197 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-16 21:03:47 +00:00
Hemant Kulkarni
2217577fa7 Added program header emission
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168195 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-16 20:51:32 +00:00
Duncan Sands
aceb03eb58 InstructionSimplify should be able to simplify A+B==B+A to 'true'
but wasn't due to the same logic bug that caused PR14361.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168186 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-16 19:41:26 +00:00
Duncan Sands
afe4539f8e Fix PR14361: wrong simplification of A+B==B+A. You may think that the old logic
replaced by this patch is equivalent to the new logic, but you'd be wrong, and
that's exactly where the bug was.  There's a similar bug in instsimplify which
manifests itself as instsimplify failing to simplify this, rather than doing it
wrong, see next commit.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168181 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-16 18:55:49 +00:00
Andrew Kaylor
661dfdc9b7 Adding new tests to test lli's pseudo-remote feature (-remote-mcjit).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168180 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-16 18:51:59 +00:00
NAKAMURA Takumi
e0827d8880 llvm/test/CodeGen/X86/hipe-cc*.ll: Add explicit -mcpu, or they don't expect to pass on Atom.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168171 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-16 16:07:37 +00:00
Duncan Sands
dc7f174b5e Add the Erlang/HiPE calling convention, patch by Yiannis Tsiouris.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168166 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-16 12:36:39 +00:00
Amara Emerson
4372f00373 Add MCJIT test case for running global constructors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168149 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-16 11:17:00 +00:00
Hans Wennborg
fbeb956876 Constant::IsThreadDependent(): Use dyn_cast<Constant> instead of cast
It turns out that the operands of a Constant are not always themselves
Constant. For example, one of the operands of BlockAddress is
BasicBlock, which is not a Constant.

This should fix the dragonegg-x86_64-linux-gcc-4.6-test build which
broke in r168037.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168147 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-16 10:33:25 +00:00
Craig Topper
d577552c66 Use roundps/pd for llvm.ceil, llvm.trunc, llvm.rint, and llvm.nearbyint of vector types.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168141 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-16 06:37:56 +00:00
Akira Hatanaka
a032dbd62f [mips] Fix delay slot filler so that instructions with register operand $1 are
allowed in branch delay slot.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168131 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-16 02:39:34 +00:00
Eli Bendersky
085f982462 Add some tests for the FileCheck utility.
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20121112/156007.html



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168113 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15 23:42:51 +00:00
Eli Friedman
846ce8ea67 Mark FP_ROUND for converting NEON v2f64 to v2f32 as expand. Add a missing
case to vector legalization so this actually works.

Patch by Pete Couperus.  Fixes PR12540.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168107 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15 22:44:27 +00:00
Adhemerval Zanella
e95ed2b7af PowerPC: Lowering floor intrinsic for Altivec
This patch lowers the llvm.floor, llvm.ceil, llvm.trunc, and
llvm.nearbyint to Altivec instruction when using 4 single-precision
float vectors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168086 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15 20:56:03 +00:00
Hans Wennborg
1839858983 Make GlobalOpt be conservative with TLS variables (PR14309)
For global variables that get the same value stored into them
everywhere, GlobalOpt will replace them with a constant. The problem is
that a thread-local GlobalVariable looks like one value (the address of
the TLS var), but is different between threads.

This patch introduces Constant::isThreadDependent() which returns true
for thread-local variables and constants which depend on them (e.g. a GEP
into a thread-local array), and teaches GlobalOpt not to track such
values.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168037 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15 11:40:00 +00:00
Duncan Sands
7ecfcc1639 Fix a crash observed by Shuxin Yang. The issue here is that LinearizeExprTree,
the utility for extracting a chain of operations from the IR, thought that it
might as well combine any constants it came across (rather than just returning
them along with everything else).  On the other hand, the factorization code
would like to see the individual constants (this is quite reasonable: it is
much easier to pull a factor of 3 out of 2*3 than it is to pull it out of 6;
you may think 6/3 isn't so hard, but due to overflow it's not as easy to undo
multiplications of constants as it may at first appear).  This patch therefore
makes LinearizeExprTree stupider: it now leaves optimizing to the optimization
part of reassociate, and sticks to just analysing the IR.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168035 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15 09:58:38 +00:00
Bill Schmidt
527388dea5 This patch is in preparation for adding medium code model support to the
PPC64 target.  The five tests modified herein test code generation that is
sensitive to the code model selected.  So I've added -code-model=small to
the RUN commands for each.

Since small code model is the default, this has no effect for now; but this
prepares us for eventually changing the default to medium code model for PPC64.

Test changes verified with small and medium code model as default on
powerpc64-unknown-linux-gnu.  All tests continue to pass.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167999 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14 23:23:27 +00:00
Jakub Staszak
0e52f46e48 Make sure to not get AVX code on an AVX-capable host. Revealed in r167967.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167989 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14 22:24:01 +00:00
NAKAMURA Takumi
d0a4a4bf5c test/CodeGen/Hexagon/postinc-load.ll: Suppress it for now. It triggered the failure on i686 hosts.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167988 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14 22:22:37 +00:00
Eric Christopher
06b423452c Remove the CellSPU port.
Approved by Chris Lattner.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167984 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14 22:09:20 +00:00
NAKAMURA Takumi
9292136787 llvm/test/CodeGen/X86/memset.ll: FileCheck-ize, and add another case on +avx.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167975 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14 21:01:40 +00:00
Jyotsna Verma
cb02fa9d7f Added multiclass for post-increment load instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167974 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14 20:38:48 +00:00
Benjamin Kramer
7c6e8cd7cc Force CPU in test so we don't accidentally get AVX code on an AVX-capable host.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167973 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14 20:31:42 +00:00
Jakub Staszak
de7c8530c8 Remove DOS line endings.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167968 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14 20:18:34 +00:00
Benjamin Kramer
2dbe929685 X86: Enable SSE memory intrinsics even when stack alignment is less than 16 bytes.
The stack realignment code was fixed to work when there is stack realignment and
a dynamic alloca is present so this shouldn't cause correctness issues anymore.

Note that this also enables generation of AVX instructions for memset
under the assumptions:
- Unaligned loads/stores are always fast on CPUs supporting AVX
- AVX is not slower than SSE
We may need some tweaked heuristics if one of those assumptions turns out not to
be true.

Effectively reverts r58317. Part of PR2962.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167967 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14 20:08:40 +00:00
Nadav Rotem
50b66387e3 The code pattern "imm0_255_neg" is used for checking if an immediate value is a small negative number.
This patch changes the definition of negative from -0..-255 to -1..-255. I am changing this because of
a bug that we had in some of the patterns that assumed that "subs" of zero does not set the carry flag.

rdar://12028498



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167963 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14 19:39:15 +00:00
Justin Holewinski
a20067b5d4 [NVPTX] Implement custom lowering of loads/stores for i1
Loads from i1 become loads from i8 followed by trunc
Stores to i1 become zext to i8 followed by store to i8

Fixes PR13291

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167948 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14 19:19:16 +00:00
Anton Korobeynikov
062a6c8380 Fix really stupid ARM EHABI info generation bug: we should not emit
eh table and handler data if there are no landing pads in the function.
Patch by Logan Chien with some cleanups from me.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167945 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14 19:13:30 +00:00
Jim Grosbach
3ca6382120 X86: Better diagnostics for 32-bit vs. 64-bit mode mismatches.
When an instruction as written requires 32-bit mode and we're assembling
in 64-bit mode, or vice-versa, issue a more specific diagnostic about
what's wrong.

rdar://12700702

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167937 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14 18:04:47 +00:00
Alexey Samsonov
15ab115df5 Emit relocations from .debug_aranges to .debug_info for asm files
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167926 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14 09:55:38 +00:00
Rafael Espindola
8e2b8ae3b1 Handle DAG CSE adding new uses during ReplaceAllUsesWith. Fixes PR14333.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167912 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14 05:08:56 +00:00
Anton Korobeynikov
25efd6d556 Use TARGET2 relocation for TType references on ARM.
Do some cleanup of the code while here.

Inspired by patch by Logan Chien!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167904 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14 01:47:00 +00:00
Eric Christopher
242343d1ab Revert "Use the 'count' attribute instead of the 'upper_bound' attribute."
temporarily as it is breaking the gdb bots.

This reverts commit r167806/e7ff4c14b157746b3e0228d2dce9f70712d1c126.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167886 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13 23:30:43 +00:00
Michael J. Spencer
4de5872ded [MC][COFF] Emit weak symbols to the correct section. Patch by Dmitry Puzirev!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167877 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13 22:04:09 +00:00
NAKAMURA Takumi
2aac6161e4 Revert r167836, "llvm/test/Other/close-stderr.ll: Mark it as XFAIL:mingw32 for now.", corresponding to r167849.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167876 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13 21:57:42 +00:00
Ulrich Weigand
51abc9877e Add test case to verify correct relocs being generated for
TLS symbols on PowerPC using the integrated assembler.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167875 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13 21:53:43 +00:00
Shankar Easwaran
a8028e5884 numerically sort the symbols, so that the testcase result is uniform
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167872 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13 21:01:11 +00:00
Daniel Dunbar
ed074e9a1b llvm-nm: Make sort more stable when symbol names are equal.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167866 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13 19:39:55 +00:00
Manman Ren
2adc503f29 X86: when constructing VZEXT_LOAD from other loads, makes sure its output
chain is correctly setup.

As an example, if the original load must happen before later stores, we need
to make sure the constructed VZEXT_LOAD is constrained to be before the stores.

rdar://12684358


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167859 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13 19:13:05 +00:00
Ulrich Weigand
b64e2115de Do not consider a machine instruction that uses and defines the same
physical register as candidate for common subexpression elimination
in MachineCSE.

This fixes a bug on PowerPC in MultiSource/Applications/oggenc/oggenc
caused by MachineCSE invalidly merging two separate DYNALLOC insns.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167855 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13 18:40:58 +00:00
Shankar Easwaran
206252cc9f Adding changes to support GNU style archive library reading
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167853 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13 18:38:42 +00:00
Chad Rosier
fc298c76c7 Revert 167755/167760. We don't want to emit crash diagnostics on command-line syntax errors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167849 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13 16:42:19 +00:00
NAKAMURA Takumi
90c61c4a74 llvm/test/Other/close-stderr.ll: Mark it as XFAIL:mingw32 for now.
On MSYS, 70 is not seen, but 1.

r127726 should be reworked. Candidate options are;

  1) Use not exit(70), but _exit(70), in report_fatal_error().
  2) Return with _exit(70) in ~raw_ostream().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167836 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13 15:03:33 +00:00
Duncan Sands
b2df01ab2a Codegen support for arbitrary vector getelementptrs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167830 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13 13:01:58 +00:00
Duncan Sands
707276d415 Fix the instcombine GEP index widening transform to work correctly for vector
getelementptrs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167829 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13 13:01:00 +00:00
Duncan Sands
2333e29be4 Relax the restrictions on vector of pointer types, and vector getelementptr.
Previously in a vector of pointers, the pointer couldn't be any pointer type,
it had to be a pointer to an integer or floating point type.  This is a hassle
for dragonegg because the GCC vectorizer happily produces vectors of pointers
where the pointer is a pointer to a struct or whatever.  Vector getelementptr
was restricted to just one index, but now that vectors of pointers can have
any pointer type it is more natural to allow arbitrary vector getelementptrs.
There is however the issue of struct GEPs, where if each lane chose different
struct fields then from that point on each lane will be working down into
unrelated types.  This seems like too much pain for too little gain, so when
you have a vector struct index all the elements are required to be the same.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167828 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13 12:59:33 +00:00
Benjamin Kramer
563e8fce2e DependenceAnalysis: Print all dependency pairs when dumping. Update all testcases.
Part of a patch by Preston Briggs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167827 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13 12:12:02 +00:00
Alexey Samsonov
009c4d86c1 Figure out <size> argument of llvm.lifetime intrinsics at the moment they are created (during function inlining)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167821 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13 07:15:32 +00:00
Meador Inge
2920a71663 instcombine: Migrate math library call simplifications
This patch migrates the math library call simplifications from the
simplify-libcalls pass into the instcombine library call simplifier.

I have typically migrated just one simplifier at a time, but the math
simplifiers are interdependent because:

   1. CosOpt, PowOpt, and Exp2Opt all depend on UnaryDoubleFPOpt.
   2. CosOpt, PowOpt, Exp2Opt, and UnaryDoubleFPOpt all depend on
      the option -enable-double-float-shrink.

These two factors made migrating each of these simplifiers individually
more of a pain than it would be worth.  So, I migrated them all together.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167815 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13 04:16:17 +00:00
Hal Finkel
4387b8c959 BBVectorize: Don't vectorize vector-manipulation chains
Don't choose a vectorization plan containing only shuffles and
vector inserts/extracts. Due to inperfections in the cost model,
these can lead to infinite recusion.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167811 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13 03:12:40 +00:00
Bill Wendling
e7ff4c14b1 Use the 'count' attribute instead of the 'upper_bound' attribute.
If we have a type 'int a[1]' and a type 'int b[0]', the generated DWARF is the
same for both of them because we use the 'upper_bound' attribute. Instead use
the 'count' attrbute, which gives the correct number of elements in the array.
<rdar://problem/12566646>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167806 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13 02:31:47 +00:00
Andrew Trick
f546ac5f9b Cleanup the main RegisterCoalescer loop.
Block priorities still apply outside loops.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167793 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13 00:34:44 +00:00
Shuxin Yang
4df2826166 revert r167740
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167787 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13 00:08:49 +00:00
Hal Finkel
b2b2469a91 BBVectorize: Only some insert element operand pairs are free.
This fixes another infinite recursion case when using target costs.
We can only replace insert element input chains that are pure (end
with inserting into an undef).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167784 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-12 23:55:36 +00:00
Michael Liao
01c6de341c Fix test case added in patch fixing PR14314
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167769 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-12 22:33:18 +00:00
Chad Rosier
fa77cced0b Update test case for r167754/r167755.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167760 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-12 21:51:08 +00:00
Hal Finkel
86c88c938a BBVectorize: Use a more sophisticated check for input cost
The old checking code, which assumed that input shuffles and insert-elements
could always be folded (and thus were free) is too simple.
This can only happen in special circumstances.
Using the simple check caused infinite recursion.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167750 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-12 21:21:02 +00:00
Hal Finkel
5094257518 BBVectorize: Check the types of compare instructions
The pass would previously assert when trying to compute the cost of
compare instructions with illegal vector types (like struct pointers).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167743 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-12 19:41:38 +00:00
Shuxin Yang
0a46bf13a3 This change is to fix rdar://12571717 which is about assertion in Reassociate pass.
The assertion is trigged when the Reassociater tries to transform expression
     ... + 2 * n * 3 + 2 * m + ...
  into:
     ... + 2 * (n*3 + m).

In the process of the transformation, a helper routine folds the constant 2*3 into 6,
confusing optimizer which is trying the to eliminate the common factor 2, and cannot
find 2 any more. 

Review is pending. But I'd like commit first in order to help those who are waiting 
for this fix. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167740 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-12 19:34:11 +00:00
Andrew Trick
ae692f2bae misched: Infrastructure for weak DAG edges.
This adds support for weak DAG edges to the general scheduling
infrastructure in preparation for MachineScheduler support for
heuristics based on weak edges.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167738 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-12 19:28:57 +00:00
Hal Finkel
8b9796f4f8 BBVectorize: Check the input types of shuffles for legality
This fixes a bug where shuffles were being fused such that the
resulting input types were not legal on the target. This would
occur only when both inputs and dependencies were also foldable
operations (such as other shuffles) and there were other connected
pairs in the same block.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167731 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-12 14:50:59 +00:00
Meador Inge
30d8f0e977 Normalize memcmp constant folding results.
The library call simplifier folds memcmp calls with all constant arguments
to a constant.  For example:

  memcmp("foo", "foo", 3) ->  0
  memcmp("hel", "foo", 3) ->  1
  memcmp("foo", "hel", 3) -> -1

The folding is implemented in terms of the system memcmp that LLVM gets
linked with.  It currently just blindly uses the value returned from
the system memcmp as the folded constant.

This patch normalizes the values returned from the system memcmp to
(-1, 0, 1) so that we get consistent results across multiple platforms.
The test cases were adjusted accordingly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167726 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-12 14:00:45 +00:00
Michael Liao
dd3383fd09 Fix PR14314
- Fix operand order for atomic sub, where the minuend is the value
  loaded from memory and the subtrahend is the parameter specified.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167718 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-12 06:49:17 +00:00
Justin Holewinski
08e9cb46fe [NVPTX] Add more precise PTX/SM target attributes
Each SM and PTX version is modeled as a subtarget feature/CPU. Additionally,
PTX 3.1 is added as the default PTX version to be out-of-the-box compatible
with CUDA 5.0.

Available CPUs for this target:

  sm_10 - Select the sm_10 processor.
  sm_11 - Select the sm_11 processor.
  sm_12 - Select the sm_12 processor.
  sm_13 - Select the sm_13 processor.
  sm_20 - Select the sm_20 processor.
  sm_21 - Select the sm_21 processor.
  sm_30 - Select the sm_30 processor.
  sm_35 - Select the sm_35 processor.

Available features for this target:

  ptx30 - Use PTX version 3.0.
  ptx31 - Use PTX version 3.1.
  sm_10 - Target SM 1.0.
  sm_11 - Target SM 1.1.
  sm_12 - Target SM 1.2.
  sm_13 - Target SM 1.3.
  sm_20 - Target SM 2.0.
  sm_21 - Target SM 2.1.
  sm_30 - Target SM 3.0.
  sm_35 - Target SM 3.5.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167699 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-12 03:16:43 +00:00
Meador Inge
0c4cbc33dd Remove hard-coded constant in Transforms/InstCombine/memcmp-1.ll
Transforms/InstCombine/memcmp-1.ll has a test case that looks like:

  @foo = constant [4 x i8] c"foo\00"
  @hel = constant [4 x i8] c"hel\00"

  ...

  %mem1 = getelementptr [4 x i8]* @hel, i32 0, i32 0
  %mem2 = getelementptr [4 x i8]* @foo, i32 0, i32 0
  %ret = call i32 @memcmp(i8* %mem1, i8* %mem2, i32 3)
  ret i32 %ret
  ; CHECK: ret i32 2

The folded return value (2 above) is computed using the system memcmp
that the compiler is linked with.  This can return different values on
different systems.  The test was originally written on an OS X 10.7.5
x86-64 box and passed.  However, it failed on one of the x86-64 FreeBSD
buildbots because the system memcpy on that machine returned a different
value (1 instead of 2).

I fixed the test by checking the folding constants with regexes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167691 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-11 07:10:25 +00:00
Meador Inge
26ebe398f2 instcombine: Migrate memset optimizations
This patch migrates the memset optimizations from the simplify-libcalls
pass into the instcombine library call simplifier.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167689 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-11 06:49:03 +00:00
Meador Inge
d7cb600514 instcombine: Migrate memmove optimizations
This patch migrates the memmove optimizations from the simplify-libcalls
pass into the instcombine library call simplifier.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167687 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-11 06:22:40 +00:00
Meador Inge
11b04b40f2 instcombine: Migrate memcpy optimizations
This patch migrates the memcpy optimizations from the simplify-libcalls
pass into the instcombine library call simplifier.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167686 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-11 05:54:34 +00:00
Meador Inge
bb51ec8b62 instcombine: Migrate memcmp optimizations
This patch migrates the memcmp optimizations from the simplify-libcalls
pass into the instcombine library call simplifier.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167683 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-11 05:11:20 +00:00
Meador Inge
6e1591a5d5 instcombine: Migrate strstr optimizations
This patch migrates the strstr optimizations from the simplify-libcalls
pass into the instcombine library call simplifier.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167682 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-11 03:51:48 +00:00
Meador Inge
5464ee7eaa instcombine: Migrate strcspn optimizations
This patch migrates the strcspn optimizations from the simplify-libcalls
pass into the instcombine library call simplifier.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167675 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-10 15:16:48 +00:00
Evan Cheng
785500618a Convert an improper CodeGen test to a MC test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167663 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-10 04:30:40 +00:00
Meador Inge
e29c88064f instcombine: Query target library information to gate libcall simplifications
Several of the simplifiers migrated from the simplify-libcalls pass to
the instcombine pass were not correctly checking the target library
information to gate the simplifications.  This patch ensures that the
check is made.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167660 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-10 03:11:10 +00:00
Evan Cheng
2f69102b8d xfail a bad test. This is a MC test but it's dependent on a codegen optimization which is now disabled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167658 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-10 02:34:36 +00:00
Evan Cheng
b341fac05a Disable the Thumb no-return call optimization:
mov lr, pc
b.w _foo

The "mov" instruction doesn't set bit zero to one, it's putting incorrect
value in lr. It messes up backtraces.

rdar://12663632


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167657 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-10 02:09:05 +00:00
Craig Topper
9c7ae01f39 Cleanup pcmp(e/i)str(m/i) instruction definitions and load folding support.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167652 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-10 01:23:36 +00:00
Justin Holewinski
89443ff7ae [NVPTX] Use ABI alignment for parameters when alignment is not specified.
Affects SM 2.0+.  Fixes bug 13324.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167646 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09 23:50:24 +00:00
Jakob Stoklund Olesen
722c9a7925 Fix assertions in updateRegMaskSlots().
The RegMaskSlots contains 'r' slots while NewIdx and OldIdx are 'B'
slots. This broke the checks in the assertions.

This fixes PR14302.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167625 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09 19:18:49 +00:00
Dmitry Vyukov
c2e9ca15fb tsan: switch to new memory_order constants (ABI compatible)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167615 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09 14:12:16 +00:00
Dmitry Vyukov
9f8a90b3ce tsan: instrument all atomics (including fetch_add, exchange, cas, etc)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167612 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09 12:55:36 +00:00
Nadav Rotem
b1bf1eeede Add support for memory runtime check. When we can, we calculate array bounds.
If the arrays are found to be disjoint then we run the vectorized version of
the loop. If they are not, we run the scalar code.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167608 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09 07:09:44 +00:00
NAKAMURA Takumi
562b1d883f llvm/ConstantFolding.cpp: Make ReadDataFromGlobal() and FoldReinterpretLoadFromConstPtr() Big-endian-aware.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167595 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-08 20:34:25 +00:00
Amara Emerson
214fd3d244 Recommit modified r167540.
Improve ARM build attribute emission for architectures types.
This also changes the default architecture emitted for a generic CPU to "v7".


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167574 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-08 09:51:45 +00:00
Michael Liao
be02a90de1 Add support of RTM from TSX extension
- Add RTM code generation support throught 3 X86 intrinsics:
  xbegin()/xend() to start/end a transaction region, and xabort() to abort a
  tranaction region



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167573 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-08 07:28:54 +00:00
Meador Inge
7629de3326 instcombine: Migrate strspn optimizations
This patch migrates the strspn optimizations from the simplify-libcalls
pass into the instcombine library call simplifier.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167568 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-08 01:33:50 +00:00
Eric Christopher
806e03d238 Add a relocation visitor to lib object. This works via caching relocated
values in a map that can be passed to consumers. Add a testcase that
ensures this works for llvm-dwarfdump.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167558 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-07 23:22:07 +00:00
Hans Wennborg
b0319962cf Only do switch-to-lookup table transformation when TargetTransformInfo
is available.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167552 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-07 21:35:12 +00:00
Akira Hatanaka
e90a3bcae1 [mips] Custom-lower ISD::FRAME_TO_ARGS_OFFSET node.
Patch by Sasa Stankovic.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167548 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-07 19:10:58 +00:00
Hans Wennborg
ab1b6c83ad Fix bad test IR in switch_to_lookup_table.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167543 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-07 18:38:24 +00:00
Andrew Trick
3b87f6204f misched: Heuristics based on the machine model.
misched is disabled by default. With -enable-misched, these heuristics
balance the schedule to simultaneously avoid saturating processor
resources, expose ILP, and minimize register pressure. I've been
analyzing the performance of these heuristics on everything in the
llvm test suite in addition to a few other benchmarks. I would like
each heuristic check to be verified by a unit test, but I'm still
trying to figure out the best way to do that. The heuristics are still
in considerable flux, but as they are refined we should be rigorous
about unit testing the improvements.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167527 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-07 07:05:09 +00:00
Nadav Rotem
a6fb97a49a CostModel: add another known vector trunc optimization.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167488 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-06 21:17:17 +00:00
Nadav Rotem
b042868c01 Cost Model: add tables for some avx type-conversion hacks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167480 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-06 19:33:53 +00:00
Nadav Rotem
7ae3bcca45 CostModel: Add tables for the common x86 compares.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167421 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-05 23:48:20 +00:00
Nadav Rotem
2d1528b358 Code Model: Improve the accuracy of the zext/sext/trunc vector cost estimation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167412 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-05 22:20:53 +00:00
Kevin Enderby
32c1a82a6b Fix for PR14264 cause by commit r167237 which did not take into account a
possible buffer change with a .macro directive.

rdar://12637628


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167408 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-05 21:55:41 +00:00
Nadav Rotem
a4ab5290e6 Cost Model: Normalize the insert/extract index when splitting types
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167402 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-05 21:12:13 +00:00
Nadav Rotem
75138f58b0 Cost Model: teach the cost model about expanding integers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167401 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-05 21:11:10 +00:00
Ulrich Weigand
86aef0a4f0 On PowerPC64, integer return values (as well as arguments) are supposed
to be extended to a full register.   This is modeled in the IR by marking
the return value (or argument) with a signext or zeroext attribute.

However, while these attributes are respected for function arguments,
they are currently ignored for function return values by the PowerPC
back-end.  This patch updates PPCCallingConv.td to ask for the promotion
to i64, and fixes LowerReturn and LowerCallResult to implement it.

The new test case verifies that both arguments and return values are
properly extended when passing them; and also that the optimizers
understand incoming argument and return values are in fact guaranteed
by the ABI to be extended.

The patch caused a spurious breakage in CodeGen/PowerPC/coalesce-ext.ll,
since the test case used a "ret" instruction to create a use of an i32
value at the end of the function (to set up data flow as required for
what the test is intended to test).  Since there's now an implicit
promotion to i64, that data flow no longer works as expected.  To fix
this, this patch now adds an extra "add" to ensure we have an appropriate
use of the i32 value.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167396 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-05 19:39:45 +00:00
Nadav Rotem
e623702c22 Implement the cost of abnormal x86 instruction lowering as a table.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167395 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-05 19:32:46 +00:00
Hal Finkel
827b7a070d Add support for the PowerPC-specific inline asm Z constraint and y modifier.
The Z constraint specifies an r+r memory address, and the y modifier expands
to the "r, r" in the asm string. For this initial implementation, the base
register is forced to r0 (which has the special meaning of 0 for r+r addressing
on PowerPC) and the full address is taken in the second register. In the
future, this should be improved.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167388 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-05 18:18:42 +00:00
Adhemerval Zanella
cfe09ed28d [PATCH] PowerPC: Expand load extend vector operations
This patch expands the SEXTLOAD, ZEXTLOAD, and EXTLOAD operations for
vector types when altivec is enabled.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167386 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-05 17:15:56 +00:00
Richard Osborne
544533301e Don't infer whether a value is captured in the current function from the
'nocapture' attribute.

The nocapture attribute only specifies that no copies are made that
outlive the function. This isn't the same as there being no copies at all.
This fixes PR14045.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167381 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-05 10:48:24 +00:00
Duncan Sands
c5b969a019 Generalize the transform that boosts GEP indices to the size of a pointer to
also do it for vectors of pointers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167354 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-03 11:44:17 +00:00
Akira Hatanaka
3c77033a90 [mips] Set flag neverHasSideEffects flag on floating point conversion
instructions.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167348 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-03 00:53:12 +00:00
Nadav Rotem
b4b04c3fa0 X86 CostModel: Add support for a some of the common arithmetic instructions for SSE4, AVX and AVX2.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167347 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-03 00:39:56 +00:00
Akira Hatanaka
3c9c1ab7b7 [mips] Set flag isAsCheapAsAMove flag on instruction LUi.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167345 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-03 00:26:02 +00:00
Akira Hatanaka
11a45c214c [mips] Stop reserving register AT and use register scavenger when a scratch
register is needed.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167341 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-03 00:05:43 +00:00
Nadav Rotem
0c31e43ff3 Add a stub for the x86 cost model impl. Implement a basic cost rule for inserting/extracting from XMM registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167333 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02 23:27:16 +00:00
Nadav Rotem
f149567160 CostModel: add support for Vector Insert and Extract.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167329 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02 22:31:56 +00:00
Akira Hatanaka
53e93e85e0 [mips] Fix disassembler test cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167326 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02 22:20:10 +00:00
Nadav Rotem
6bed58ef24 Add a cost model analysis that allows us to estimate the cost of IR-level instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167324 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02 21:48:17 +00:00
Akira Hatanaka
fb60a4e823 [mips] Fix bug in test case. Disable machine LICM to prevent instruction from
being moved out of a basic block.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167322 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02 21:46:42 +00:00
Quentin Colombet
43934aee71 Vext Lowering was missing opportunities
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167318 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02 21:32:17 +00:00
Akira Hatanaka
5c87b732f2 [mips] Use register number instead of name to print register $AT.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167315 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02 21:26:03 +00:00
Akira Hatanaka
173192fa71 [mips] Delete MipsFunctionInfo::EmitNOAT. Unconditionally print directive
"set .noat" so that the assembler doesn't issue warnings when register $AT is
used.



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2012-11-02 20:56:25 +00:00
Chandler Carruth
52df6c2eec Add a testcase to loop-idiom to cover PR14241 when we start handling
strided loops again.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167287 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02 08:40:24 +00:00
Chandler Carruth
a864748284 Revert the switch of loop-idiom to use the new dependence analysis.
The new analysis is not yet ready for prime time. It has a *critical*
flawed assumption, and some troubling shortages of testing. Until it's
been hammered into better shape, let's stick with the working code. This
should be easy to revert itself when the analysis is ready.

Fixes PR14241, a miscompile of any memcpy-able loop which uses a pointer
as the induction mechanism. If you have been seeing miscompiles in this
revision range, you really want to test with this backed out. The
results of this miscompile are a bit subtle as they can lead to
downstream passes concluding things are impossible which are in fact
possible.

Thanks to David Blaikie for the majority of the reduction of this
miscompile. I'll be checking in the test case in a non-revert commit.

Revesions reverted here:

r167045: LoopIdiom: Fix a serious missed optimization: we only turned
         top-level loops into memmove.
r166877: LoopIdiom: Add checks to avoid turning memmove into an infinite
         loop.
r166875: LoopIdiom: Recognize memmove loops.
r166874: LoopIdiom: Replace custom dependence analysis with
         DependenceAnalysis.

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2012-11-02 08:33:25 +00:00
Hal Finkel
4ac300dfac BBVectorize: Commit the rest of the test-case change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167257 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-01 21:57:27 +00:00
Hal Finkel
78fd353d5e BBVectorize: Use target costs for incoming and outgoing values instead of the depth heuristic.
When target cost information is available, compute explicit costs of inserting and
extracting values from vectors. At this point, all costs are estimated using the
target information, and the chain-depth heuristic is not needed. As a result, it is now, by
default, disabled when using target costs.

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2012-11-01 21:50:12 +00:00
Kevin Enderby
938482f522 Add support for generating dwarf debugging info with assembly files
run through the 'C' preprocessor.  That is pick up the file name
and line numbers from the cpp hash file line comments for the
dwarf file and line numbers tables.

rdar://9275556



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167237 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-01 17:31:35 +00:00
NAKAMURA Takumi
b6843c28ec llvm/test/lit.cfg: Don't use mcjit to ppc32 yet, not ready.
Unsupported CPU type!
UNREACHABLE executed at llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp:553!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167231 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-01 14:28:51 +00:00
Kostya Serebryany
a5f54f1443 [asan] don't instrument globals that we've created ourselves (reduces the binary size a bit)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167230 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-01 13:42:40 +00:00
Chandler Carruth
9cb285d510 Add a test case for PR14233.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167224 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-01 10:26:36 +00:00
Chandler Carruth
ece6c6bb63 Revert the series of commits starting with r166578 which introduced the
getIntPtrType support for multiple address spaces via a pointer type,
and also introduced a crasher bug in the constant folder reported in
PR14233.

These commits also contained several problems that should really be
addressed before they are re-committed. I have avoided reverting various
cleanups to the DataLayout APIs that are reasonable to have moving
forward in order to reduce the amount of churn, and minimize the number
of commits that were reverted. I've also manually updated merge
conflicts and manually arranged for the getIntPtrType function to stay
in DataLayout and to be defined in a plausible way after this revert.

Thanks to Duncan for working through this exact strategy with me, and
Nick Lewycky for tracking down the really annoying crasher this
triggered. (Test case to follow in its own commit.)

After discussing with Duncan extensively, and based on a note from
Micah, I'm going to continue to back out some more of the more
problematic patches in this series in order to ensure we go into the
LLVM 3.2 branch with a reasonable story here. I'll send a note to
llvmdev explaining what's going on and why.

Summary of reverted revisions:

r166634: Fix a compiler warning with an unused variable.
r166607: Add some cleanup to the DataLayout changes requested by
         Chandler.
r166596: Revert "Back out r166591, not sure why this made it through
         since I cancelled the command. Bleh, sorry about this!
r166591: Delete a directory that wasn't supposed to be checked in yet.
r166578: Add in support for getIntPtrType to get the pointer type based
         on the address space.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167221 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-01 08:07:29 +00:00
NAKAMURA Takumi
d0dd06594b [CMake] Add llvm-mcmarkup to check-llvm.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167208 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-01 02:13:50 +00:00
NAKAMURA Takumi
b75111f1ef test/CodeGen/X86/fp-fast.ll: Add +avx.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167207 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-01 02:13:45 +00:00
Owen Anderson
607ebde651 Add a few more simple fast-math constant propagations and cancellations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167200 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-01 02:00:53 +00:00
Jim Grosbach
7dd4dc8892 MC: Simple example parser for MC assembly markup.
Nothing fancy, just a simple demonstration parser.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167181 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-31 23:24:13 +00:00
Shuxin Yang
a5526a9bff (For X86) Enhancement to add-carray/sub-borrow (adc/sbb) optimization.
The adc/sbb optimization is to able to convert following expression
into a single adc/sbb instruction:
  (ult) ... = x + 1 // where the ult is unsigned-less-than comparison
  (ult) ... = x - 1

  This change is to flip the "x >u y" (i.e. ugt comparison) in order 
to expose the adc/sbb opportunity.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167180 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-31 23:11:48 +00:00
Nadav Rotem
e57b2cbce6 LoopVectorize: Preserve NSW, NUW and IsExact flags.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167174 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-31 21:40:39 +00:00
Nadav Rotem
0dba9a9a26 Fix a bug in the cost calculation of vector casts. Detect situations where bitcasts cost zero.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167170 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-31 20:52:26 +00:00
Akira Hatanaka
497204a94b [mips] Set isAsCheapAsAMove flag on ADDiu and DADDiu, which enables
re-materialization of immediate loads.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167153 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-31 18:37:55 +00:00
Akira Hatanaka
39fa606992 Test case for r167039. Check that tail-call optimization is disabled for
mips16.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167139 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-31 17:25:23 +00:00