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Author SHA1 Message Date
Rafael Espindola
0397729d3b Implement the isSafeToDiscardIfUnused predicate and use it in globalopt and 
globaldce. Globaldce was already removing linkonce globals, but globalopt was
not.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158476 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-14 22:48:13 +00:00
Pete Cooper
312091ece3 Move X86::VCVTTSD2SIrr from the 2 operand to 1 operand MemRegOp table. 
Can someone with more knowledge of this please look at other entries
to see if others need moved.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158474 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-14 22:12:58 +00:00
Akira Hatanaka
864f66085c Fix coding style violations. Remove white spaces and tabs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158471 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-14 21:10:56 +00:00
Akira Hatanaka
1418045472 1. introduce MipsPat in place of Pat in order to exclude those from 
being used by Mips16 or Micro Mips
2. clean up a few lines too long encountered

Patch by Reed Kotler.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158470 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-14 21:03:23 +00:00
Akira Hatanaka
6b0cd9b9c6 Make machine verifier check the first instruction of the last bundle instead of 
the last instruction of a basic block.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158468 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-14 20:51:13 +00:00
Lang Hames
0180694b2f Make comment slightly more helpful. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158467 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-14 20:37:15 +00:00
Pete Cooper
9e066625b7 Revert r158454: Allow SROA to look at a vector type... Its breaking the vectorise buildbot 
This reverts commit 12c1f86ffa731e2952c80d2cc577000c96b8962c.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158462 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-14 18:32:52 +00:00
Andrew Trick
42120a2c55 misched: disable SSA check pending PR13112. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158461 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-14 17:48:49 +00:00
Stepan Dyatkovskiy
cba91230c0 SmallMap, FlatArrayMap::copyFrom 
Replaced memcpy with std::copy, since the first one may work improperly with non POD data.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158457 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-14 16:59:43 +00:00
David Blaikie
722f2544b2 Remove/modify C backend references from LLVM documentation. 
Patch by Wei-Ren Chen.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158456 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-14 16:52:55 +00:00
David Blaikie
deb878053a Remove C backend reference from the FAQ. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158455 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-14 16:43:11 +00:00
Pete Cooper
77fdd3ad4a Recommit r158407: Allow SROA to look at a vector type and see if the offset is out of range to be replaced with a scalar access. Now with additional fix and test for indexing into a vector inside a struct 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158454 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-14 16:38:13 +00:00
Duncan Sands
b5a1bf4780 Clarify a bit that the types have to be the same. Came up on IRC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158453 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-14 14:58:28 +00:00
NAKAMURA Takumi
f1ece22612 MipsLongBranch.cpp: Tweak llvm::next() to appease msvc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158446 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-14 12:29:48 +00:00
Richard Barton
a1c7367a5b Replace assertion failure for badly formatted CPS instrution with error message. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158445 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-14 10:48:04 +00:00
Jush Lu
efc967e044 Cleanup whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158443 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-14 06:08:19 +00:00
Manman Ren
39f5eb1563 Revert: test/CodeGen/ARM/iabs.ll in r158441 
Sorry that I accidently checked in this file with my previous commit.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158442 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-14 06:04:02 +00:00
Manman Ren
7a0575b9a8 InstCombine: fix a bug when combining (fcmp cc0 x, y) && (fcmp cc1 x, y). 
uno && ueq was converted to ueq, it should be converted to uno.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158441 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-14 05:57:42 +00:00
Akira Hatanaka
ce5c6fb55f Test case for MIPS long branch pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158438 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-14 02:12:21 +00:00
Akira Hatanaka
f4f60cbe46 Fix Mips/CMakeLists.txt. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158437 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-14 01:23:55 +00:00
Akira Hatanaka
a32ccf92c1 Add file MipsLongBranch.cpp. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158436 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-14 01:22:24 +00:00
Akira Hatanaka
163d706c46 Fix test cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158435 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-14 01:21:00 +00:00
Akira Hatanaka
63b37f122d Remove code in MipsAsmPrinter and MipsMCInstLower. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158434 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-14 01:20:12 +00:00
Akira Hatanaka
9e97587e02 Add long branch expansion pass for MIPS. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158433 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-14 01:19:35 +00:00
Akira Hatanaka
91625aab60 Add AT to the list of registers clobbered by branches so that it is available 
as a scratch register when they are expanded to long branches.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158432 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-14 01:17:59 +00:00
Akira Hatanaka
c56a7bb051 In MipsRegisterInfo::eliminateFrameIndex, call Mips::loadImmediate 
to load an immediate that does not fit into 16-bit. 



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158431 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-14 01:17:36 +00:00
Akira Hatanaka
84e09287cb In MipsFrameLowering::emitPrologue and emitEpilogue, call Mips::loadImmediate 
to load an immediate that does not fit into 16-bit. Also, take into
consideration the global base register slot on the stack when computing the
stack size. 



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158430 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-14 01:17:13 +00:00
Akira Hatanaka
d4b48b283c Define function MipsInstrInfo::GetInstSizeInBytes, which will be called to 
compute the size of basic blocks in a function. Also, define a function which
emits a series of instructions to load an immediate.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158429 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-14 01:16:45 +00:00
Akira Hatanaka
4654e58a64 In MipsISelDAGToDAG.cpp, store the global base register to a stack frame object. 
Long-branches need access to the global base register to get the destination
address.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158428 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-14 01:16:15 +00:00
Akira Hatanaka
a76220a40c Add methods to MipsFunctionInfo for initializing and accessing the stack frame 
object for the global base register.

This is the first of a series of patches which implements long branch expansion
for MIPS.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158427 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-14 01:15:36 +00:00
Akira Hatanaka
158413930f Bundle jump/branch instructions with the instructions in the delay slot in 
delay slot filler pass of MIPS, per suggestion of Jakob Stoklund Olesen.

This change, along with the fix in r158154, enables machine verification
to be run after delay slot filling.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158426 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-13 23:25:52 +00:00
Chandler Carruth
14d81c416c Group the 'unsigned' members after the pointer to avoid 4 bytes of 
padding on x86-64.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158421 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-13 21:44:07 +00:00
Akira Hatanaka
8782707f50 Implement a DAGCombine in MipsISelLowering.cpp which transforms the following 
pattern:

(add v0, (add v1, abs_lo(tjt))) => (add (add v0, v1), abs_lo(tjt))

"tjt" is a TargetJumpTable node. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158419 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-13 20:33:18 +00:00
Akira Hatanaka
e193b32583 Set a higher value for maxStoresPerMemcpy in MipsISelLowering.cpp. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158414 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-13 19:33:32 +00:00
Akira Hatanaka
2bd7e532b4 Simplify CreateLoadLR and CreateStoreLR in MipsISelLowering.cpp. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158413 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-13 19:06:08 +00:00
Akira Hatanaka
777a120285 Implement fastcc calling convention for MIPS. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158410 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-13 18:06:00 +00:00
Richard Osborne
aa08c8b2ba Fix pattern for MKMSK instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158409 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-13 17:59:12 +00:00
Pete Cooper
e91f926f3b Revert "Allow SROA to look at a vector type and see if the offset is out of range to be replaced with a scalar access" 
This reverts commit 51786e0aae.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158408 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-13 17:55:22 +00:00
Pete Cooper
51786e0aae Allow SROA to look at a vector type and see if the offset is out of range to be replaced with a scalar access 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158407 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-13 17:30:34 +00:00
Argyrios Kyrtzidis
1a18e9a2c4 Fix building ThreadLocal.cpp with --disable-threads. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158405 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-13 16:30:06 +00:00
Kay Tiong Khoo
575e90e955 *typo: Cyles changed to Cycles 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158404 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-13 15:53:04 +00:00
Rafael Espindola
4f81768d44 Use LTO_CODEGEN_PIC_MODEL_DYNAMIC for PIE. This requirest a git version of 
gold to work. Since the enum value LDPO_PIE has just been added to plugin-api.h,
use a numeric constant for now so that we don't require an unreleased
version of gold to build.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158402 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-13 13:30:24 +00:00
Duncan Sands
d34491f675 It is possible for several constants which aren't individually absorbing to 
combine to the absorbing element.  Thanks to nbjoerg on IRC for pointing this 
out.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158399 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-13 12:15:56 +00:00
Duncan Sands
ee5a094ccf When linearizing a multiplication, return at once if we see a factor of zero, 
since then the entire expression must equal zero (similarly for other operations
with an absorbing element).  With this in place a bunch of reassociate code for
handling constants is dead since it is all taken care of when linearizing.  No
intended functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158398 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-13 09:42:13 +00:00
Craig Topper
cc95b57d42 Fix intrinsics for XOP frczss/sd instructions. These instructions only take one source register and zero the upper bits of the destination rather than preserving them. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158396 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-13 07:18:53 +00:00
Hal Finkel
79248299f6 Add another missing 64-bit itinerary definition for the PPC A2 core. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158393 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-13 05:55:09 +00:00
Manman Ren
ee28e0fdd1 SimplifyCFG: fold unconditional branch to its predecessor if profitable. 
This patch extends FoldBranchToCommonDest to fold unconditional branches.
For unconditional branches, we fold them if it is easy to update the phi nodes 
in the common successors.

rdar://10554090


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158392 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-13 05:43:29 +00:00
Jakob Stoklund Olesen
764dc754fe Eliminate struct TableGenBackend. 
TableGen backends are simply written as functions now.

Patch by Sean Silva!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158389 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-13 05:15:49 +00:00
Akira Hatanaka
36c58aa4d6 Clean up trailing blanks in Mips16InstrFormats.td 
Patch by Reed Kotler.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158382 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-13 02:42:47 +00:00
Akira Hatanaka
942918d13e disable use of directive .set nomicromips 
until this directive is pushed in gas to open source fsf

Patch by Reed Kotler.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158381 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-13 02:41:14 +00:00