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49250 Commits

Author SHA1 Message Date
Owen Anderson
b113ec55e8 Fix an incorrect shift when decoding SP-relative stores in Thumb1-mode. Add more tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138246 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-22 17:56:58 +00:00
Dan Gohman
d446460f42 Add a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138243 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-22 17:29:37 +00:00
Dan Gohman
1b31ea8f93 Constant pointers to objects don't need reference counting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138242 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-22 17:29:11 +00:00
Benjamin Kramer
2e608c6b61 PathV2: Handle more reserved filenames on windows. 
Patch by Aaron Ballman!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138213 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-20 21:36:38 +00:00
Jim Grosbach
fbe1681490 Fix AsmParser binary precedence for shift operators. 
rdar://9976729



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138208 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-20 16:24:13 +00:00
Nadav Rotem
1c9fe0361b Add constant folding support for bitcasts of splat vectors to integers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138206 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-20 14:02:29 +00:00
NAKAMURA Takumi
77c108241a lib/Support/CrashRecoveryContext.cpp: Add Win32 support to CrashRecoveryContext. Thanks to Aaron Ballman! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138199 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-20 06:35:36 +00:00
NAKAMURA Takumi
aa629668db lib/Support/Windows/Windows.h: Require at least Windows XP(5.1) API. We will not support Windows 2000 any more. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138198 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-20 06:35:31 +00:00
Benjamin Kramer
0dac82d92e Cast through intptr_t, ISO C++ requires it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138186 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-20 02:22:42 +00:00
Chad Rosier
fea95c6bad Remove the VMOVQQ pseudo instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138177 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-20 00:52:40 +00:00
Chad Rosier
bdc18572be Remove VMOVQQQQ pseudo instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138174 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-20 00:40:14 +00:00
Jakob Stoklund Olesen
ac3656ed7a Add <imp-def> operands to QQ and QQQQ stack loads. 
This pleases the register scavenger and brings
test/CodeGen/ARM/2011-08-12-vmovqqqq-pseudo.ll a little closer to
working with -verify-machineinstrs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138164 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-20 00:17:45 +00:00
Chad Rosier
e5038e191d VMOVQQQQs pseudo instructions are only created by ARMBaseInstrInfo::copyPhysReg. 
Therefore, rather then generate a pseudo instruction, which is later expanded,
generate the necessary instructions in place.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138163 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-20 00:17:25 +00:00
Bill Wendling
94657b964f If we're splitting the landing pad block and assigning it only one predecessor, 
then don't split it a second time, since that block will be dead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138153 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 23:46:30 +00:00
Devang Patel
93d39be530 Do not use named md nodes to track variables that are completely optimized. This does not scale while doing LTO with debug info. New approach is to include list of variables in the subprogram info directly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138145 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 23:28:12 +00:00
Jim Grosbach
0780b6303b Thumb parsing and encoding support for NOP. 
The irony is not lost that this is not a completely trivial patchset.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138143 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 23:24:36 +00:00
Akira Hatanaka
854a7db117 Fix bug in function IsShiftedMask. Remove parameter SizeInBits, which is not 
needed for Mips32.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138132 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 22:59:00 +00:00
Jim Grosbach
2c3f70e5d4 Thumb assembly parsing and encoding for NEG. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138131 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 22:51:03 +00:00
Benjamin Kramer
deaa64546e Roll back the rest of r126557. It's a hack that will break in some obscure cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138130 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 22:39:31 +00:00
Jim Grosbach
3a244bd8b3 Fix NEG alias 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138125 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 22:30:58 +00:00
Jim Grosbach
7a01069420 Be more lenient on tied operand matching for MUL. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138124 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 22:30:46 +00:00
Bruno Cardoso Lopes
0c9acfcb50 Re-write part of VEX encoding logic, to be more easy to read! Also fix 
a bug and add a testcase!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138123 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 22:27:29 +00:00
Jim Grosbach
7a32fa1c78 Update tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138116 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 22:19:48 +00:00
Jim Grosbach
88ae2bc6d5 Thumb assembly parsing and encoding for MUL. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138108 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 22:07:46 +00:00
Bill Wendling
cbe003b243 The landingpad instruction isn't dead simply because it's value isn't used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138102 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 21:52:06 +00:00
Nick Lewycky
5aa5d574f4 Eli points out that this is what report_fatal_error() is for. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138091 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 21:45:19 +00:00
Jim Grosbach
4ec6e888ec Thumb assembly parsing and encoding for MOV. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138076 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 20:46:54 +00:00
Jim Grosbach
73a1c2cea1 Tidy up. Tab character. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138072 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 20:30:19 +00:00
Nick Lewycky
d133bf8f27 This is not actually unreachable, so don't use llvm_unreachable for it. Since 
the intent seems to be to terminate even in Release builds, just use abort()
directly.

If program flow ever reaches a __builtin_unreachable (which llvm_unreachable is
#define'd to on newer GCCs) then the program is undefined.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138068 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 20:14:27 +00:00
Jim Grosbach
b86e2dbf61 Tab characters. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138066 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 19:41:46 +00:00
Jim Grosbach
1b7b68f087 Thumb assembly parsing and encoding for LSL(immediate). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138063 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 19:29:25 +00:00
Jim Grosbach
05b0156734 Thumb assembly parsing and encoding for LDRSB and LDRSH. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138061 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 19:17:58 +00:00
Jim Grosbach
38466309d5 Thumb assembly parsing and encoding for LDRH. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138060 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 18:55:51 +00:00
Jim Grosbach
48ff5ffe9e Thumb assembly parsing and encoding for LDRB. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138059 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 18:49:59 +00:00
Sean Callanan
40827c4190 Fixed a memory bug in the MCDisassembler where 
MCParsedAsmOperand objects were being leaked.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138053 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 18:23:06 +00:00
Jim Grosbach
67b95f902a Thumb assembly parsing and encoding for LDR(literal). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138052 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 18:20:48 +00:00
Jim Grosbach
ecd8589683 Thumb assembly parsing and encoding for LDR(immediate) form T2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138050 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 18:13:48 +00:00
Jim Grosbach
2f7232efd5 Use helper function to check for low registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138048 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 17:57:22 +00:00
Jim Grosbach
60f91a3d95 Thumb assembly parsing and encoding for LDR(immediate) form T1. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138047 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 17:55:24 +00:00
Jim Grosbach
c6d7c653c9 Add explanatory comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138042 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 16:52:32 +00:00
Kalle Raiskila
67a9b1fcc7 Have SPU backend use the external TCE scheduler, if the library is loaded as a 
module.

Patch by Pekka Jääskeläinen.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138037 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 10:50:24 +00:00
Craig Topper
e004d941ec Add TB encoding to VEX versions of SSE fp logical operations to fix disassembler 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138034 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 05:28:50 +00:00
Bruno Cardoso Lopes
863e0f25b7 Fix PR10677. Initial patch and idea by Peter Cooper but I've changed the 
implementation!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138029 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 02:23:56 +00:00
Jakob Stoklund Olesen
61b2d7f207 Add llc flags to disable machine DCE and CSE. 
This is useful for unit tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138028 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 02:05:35 +00:00
Benjamin Kramer
a67f14bf53 Make a bunch of symbols private. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138025 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 01:42:18 +00:00
Benjamin Kramer
613d13beb0 C API functions must be able to see their extern "C" definitions, or it will be impossible to call them from C. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138022 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 01:36:54 +00:00
Jakob Stoklund Olesen
201f2463a7 Don't treat a partial <def,undef> operand as a read. 
Normally, a partial register def is treated as reading the
super-register unless it also defines the full register like this:

  %vreg110:sub_32bit<def> = COPY %vreg77:sub_32bit, %vreg110<imp-def>

This patch also uses the <undef> flag on partial defs to recognize
non-reading operands:

  %vreg110:sub_32bit<def,undef> = COPY %vreg77:sub_32bit

This fixes a subtle bug in RegisterCoalescer where LIS->shrinkToUses
would treat a coalesced copy as still reading the register, extending
the live range artificially.

My test case only works when I disable DCE so a dead copy is left for
RegisterCoalescer, so I am not including it.

<rdar://problem/9967101>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138018 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 00:30:17 +00:00
Dan Gohman
e6d5e88c12 Track a retain+release nesting level independently of the 
known-incremented level, because the two concepts can be used
to prove the saftey of a retain+release removal in different
ways.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138016 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 00:26:36 +00:00
Bill Wendling
b29ec06421 Intelligently split the landing pad block. 
We have to be careful when splitting the landing pad block, because the
landingpad instruction is required to remain as the first non-PHI of an invoke's
unwind edge. To retain this, we split the block into two blocks, moving the
predecessors within the loop to one block and the remaining predecessors to the
other. The landingpad instruction is cloned into the new blocks.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138015 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 00:09:22 +00:00
Bill Wendling
7e8840c4d9 Add SplitLandingPadPredecessors(). 
SplitLandingPadPredecessors is similar to SplitBlockPredecessors in that it
splits the current block and attaches a set of predecessors to the new basic
block. However, it differs from SplitBlockPredecessors in that it's specifically
designed to handle landing pad blocks.

Two new basic blocks are created: one that is has the vector of predecessors as
its predecessors and one that has the remaining predecessors as its
predecessors. Those two new blocks then receive a cloned copy of the landingpad
instruction from the original block. The landingpad instructions are joined in a
PHI, etc. Like SplitBlockPredecessors, it updates the LLVM IR, AliasAnalysis,
DominatorTree, DominanceFrontier, LoopInfo, and LCCSA analyses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138014 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 00:05:40 +00:00