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74369 Commits

Author SHA1 Message Date
Bill Wendling 07beddceb7 Initial work on disabling the scheduler. This is a work in progress, and this 
stuff isn't used just yet.

We want to model the GCC `-fno-schedule-insns' and `-fno-schedule-insns2'
flags. The hypothesis is that the people who use these flags know what they are
doing, and have hand-optimized the C code to reduce latencies and other
conflicts.

The idea behind our scheme to turn off scheduling is to create a map "on the
side" during DAG generation. It will order the nodes by how they appeared in the
code. This map is then used during scheduling to get the ordering.

llvm-svn: 91392
 2009-12-15 01:54:51 +00:00
Chris Lattner d19564b109 set up the machinery for a MacroArgs cache hanging off Preprocessor. 
We creating and free thousands of MacroArgs objects (and the related
std::vectors hanging off them) for the testcase in PR5610 even though
there are only ~20 live at a time.  This doesn't actually use the 
cache yet.

llvm-svn: 91391
 2009-12-15 01:51:03 +00:00
Evan Cheng 45430bbfaa Tail duplication should zap a copy it inserted for SSA update if the copy is the only use of its source. 
llvm-svn: 91390
 2009-12-15 01:44:10 +00:00
Ted Kremenek c98cdd175a Start the ball rolling on C++ support in the static analyzer. For 
now, don't construct CFGs that contain C++ try/catch statements, and
have GRExprEngine abort a path if it encounters a C++ construct it
doesn't understand (which is mostly everything at this point).

llvm-svn: 91389
 2009-12-15 01:38:04 +00:00
Mike Stump cf16d2cc42 Fix spacing. 
llvm-svn: 91386
 2009-12-15 01:22:35 +00:00
Daniel Dunbar 34e0b8cdee Driver: Pass -resource-dir to clang -cc1, since the driver presumably already found itself. 
llvm-svn: 91384
 2009-12-15 01:02:52 +00:00
Mike Stump 9a4e0128a8 Ensure we preserve line information for each trap for 
-fcatch-undefined-behavior if we aren't optimizing.  WIP.

llvm-svn: 91382
 2009-12-15 00:59:40 +00:00
Evan Cheng 0e8b9e32d1 Use sbb x, x to materialize carry bit in a GPR. The result is all one's or all zero's. 
llvm-svn: 91381
 2009-12-15 00:53:42 +00:00
Evan Cheng d1521ef40c Fold (zext (and x, cst)) -> (and (zext x), cst). 
llvm-svn: 91380
 2009-12-15 00:52:11 +00:00
Daniel Dunbar 1542d735d9 NNT: Make sure stderr for build commands goes to log file, as intended but misdirected. 
llvm-svn: 91379
 2009-12-15 00:41:47 +00:00
Evan Cheng ca7c690d3b Propagate zest through logical shift. 
llvm-svn: 91378
 2009-12-15 00:41:36 +00:00
Eric Christopher d5218331f7 Formatting. 
llvm-svn: 91377
 2009-12-15 00:40:55 +00:00
Bill Wendling e8a525a196 Revert these. They may have been causing 483_xalancbmk to fail: 
$ svn merge -c -91161 https://llvm.org/svn/llvm-project/llvm/trunk
--- Reverse-merging r91161 into '.':
U    lib/CodeGen/BranchFolding.cpp
U    lib/CodeGen/MachineBasicBlock.cpp
$ svn merge -c -91113 https://llvm.org/svn/llvm-project/llvm/trunk
--- Reverse-merging r91113 into '.':
G    lib/CodeGen/MachineBasicBlock.cpp
$ svn merge -c -91101 https://llvm.org/svn/llvm-project/llvm/trunk
--- Reverse-merging r91101 into '.':
U    include/llvm/CodeGen/MachineBasicBlock.h
G    lib/CodeGen/MachineBasicBlock.cpp
$ svn merge -c -91092 https://llvm.org/svn/llvm-project/llvm/trunk
--- Reverse-merging r91092 into '.':
G    include/llvm/CodeGen/MachineBasicBlock.h
G    lib/CodeGen/MachineBasicBlock.cpp

llvm-svn: 91376
 2009-12-15 00:39:24 +00:00
Mike Stump e8c3b3eca4 Switch codegen for -fcatch-undefined-bahavior over to __builtin_trap 
instead of abort to improve codesize and codegen.

llvm-svn: 91374
 2009-12-15 00:35:12 +00:00
Ted Kremenek 1668046db1 Update checker build. 
llvm-svn: 91373
 2009-12-15 00:32:46 +00:00
Jim Grosbach ea8f6e31a0 nand atomic requires opposite operand ordering 
llvm-svn: 91371
 2009-12-15 00:12:35 +00:00
Daniel Dunbar a5a166d01a Add -resource-dir to clang -cc1, this allows the base directory for compiler 
resources (e.g., /usr/lib/clang/1.1) to be passed on the command line instead of
computed.

llvm-svn: 91370
 2009-12-15 00:06:45 +00:00
Douglas Gregor 7dc42e5d4c Implement value initialization in InitializationSequence; untested 
WIP, yet again.

llvm-svn: 91368
 2009-12-15 00:01:57 +00:00
Mike Stump 68943780a6 Add documentation for recently added code. WIP. 
llvm-svn: 91367
 2009-12-14 23:53:10 +00:00
Dan Gohman cecad35728 Fix integer cast code to handle vector types. 
llvm-svn: 91362
 2009-12-14 23:40:38 +00:00
Dan Gohman 28dea2a58b Move Flag and isVoid after the vector types, since bit arithmetic with 
those enum values is less common.

llvm-svn: 91361
 2009-12-14 23:36:03 +00:00
Dan Gohman 897a5ac615 Fix these asserts to check the invariant that the code actually 
depends on.

llvm-svn: 91360
 2009-12-14 23:34:36 +00:00
John McCall 2079d0b974 Fix PR5716 by bandaging over the solution until we can come back to it. 
I apologize for friend declarations.

llvm-svn: 91359
 2009-12-14 23:19:40 +00:00
Dan Gohman 2e1cf19924 Update this comment. 
llvm-svn: 91356
 2009-12-14 23:13:31 +00:00
Dan Gohman 6453a4e2ab Fix this to properly clear the FastISel debug location. Thanks to 
Bill for spotting this!

llvm-svn: 91355
 2009-12-14 23:08:09 +00:00
Bob Wilson cc70e3b60d Rearrange rules to add missing dependency and allow parallel makes. 
llvm-svn: 91352
 2009-12-14 22:44:22 +00:00
Fariborz Jahanian 3914ee8fcd Make test more generic. 
llvm-svn: 91349
 2009-12-14 22:17:35 +00:00
Ted Kremenek 814c416636 Fix: <rdar://problem/7468209> SymbolManager::isLive() should not crash on captured block variables that are passed by reference 
llvm-svn: 91348
 2009-12-14 22:15:06 +00:00
Mike Stump 590d18f103 We have to allow one to form an address for one past the end. WIP. 
llvm-svn: 91347
 2009-12-14 22:14:31 +00:00
Chris Lattner ffbf2de1d8 move the VarargsElided member of MacrosArgs to shrink the MacroArgs struct 
on 64-bit targets.  Pass Preprocessor into create/destroy methods of MacroArgs
even though it isn't used yet.

llvm-svn: 91345
 2009-12-14 22:12:52 +00:00
Chris Lattner d2fa78d0bd fix typo 
llvm-svn: 91343
 2009-12-14 22:02:43 +00:00
Mike Stump ba6a0c40c4 Add support for detecting undefined shift behavior. WIP. 
llvm-svn: 91341
 2009-12-14 21:58:14 +00:00
Johnny Chen bee6f16fed Add encoding bits "let Inst{11-4} = 0b00000000;" to BR_JTr to disambiguate 
between BR_JTr and STREXD.

llvm-svn: 91339
 2009-12-14 21:51:34 +00:00
Bill Wendling 1bdf5d6f75 The CIE says that the LSDA point in the FDE section is an "sdata4". That's fine, 
but we need it to actually be 4-bytes in the FDE.

llvm-svn: 91337
 2009-12-14 21:49:44 +00:00
Fariborz Jahanian 9ac0a04b29 Patch to fix 32-bit @try failure with internal assertion when compiling 
an Objective-C rethrow nested inside another try/catch block. (fixes radar 7466728).

llvm-svn: 91335
 2009-12-14 21:35:01 +00:00
Jim Grosbach 3974a80307 v6 sync insn copy/paste error 
llvm-svn: 91333
 2009-12-14 21:33:32 +00:00
Jim Grosbach 3c4f04112a Add ARMv6 memory and sync barrier instructions 
llvm-svn: 91329
 2009-12-14 21:24:16 +00:00
Johnny Chen acba3b0ae2 Fixed encoding bits typo of ldrexd/strexd. 
llvm-svn: 91327
 2009-12-14 21:01:46 +00:00
Douglas Gregor 4881735736 Remove accidental commit containing local paths for the LLVM-Code-Syntax test 
llvm-svn: 91326
 2009-12-14 20:58:24 +00:00
Douglas Gregor 4f84661c43 Minor cleanups for constructor initialization in InitializationSequence 
llvm-svn: 91325
 2009-12-14 20:57:13 +00:00
Mike Stump f8858af909 Simplifiy. 
llvm-svn: 91324
 2009-12-14 20:52:00 +00:00
Douglas Gregor 1e7ffa7571 Constructor initialization for InitializationSequence. Untested WIP. 
llvm-svn: 91323
 2009-12-14 20:49:26 +00:00
Jim Grosbach 57ccc19617 Thumb2 atomic operations 
llvm-svn: 91321
 2009-12-14 20:14:59 +00:00
Dan Gohman 787b1187fe Add svn:ignore entries for the Disassembler files. 
llvm-svn: 91320
 2009-12-14 19:55:22 +00:00
Dan Gohman 1cfbfc86cf Move several function bodies which are rarely inlined out of line. 
llvm-svn: 91319
 2009-12-14 19:43:09 +00:00
Chris Lattner 726e452ccb fix an obvious bug found by clang++ and collapse a redundant if. 
Here's the diagnostic from clang:

/Volumes/Data/dgregor/Projects/llvm/lib/Target/CppBackend/CPPBackend.cpp:989:23: warning: 'gv' is always NULL in this context
        printConstant(gv);
                      ^
1 diagnostic generated.

llvm-svn: 91318
 2009-12-14 19:34:32 +00:00
Dan Gohman fd5de58ec1 Micro-optimize these functions in the case where they are not inlined. 
llvm-svn: 91316
 2009-12-14 19:32:31 +00:00
Douglas Gregor d196a58b55 Improve template instantiation for object constructions in several ways: 
- During instantiation, drop default arguments from constructor and
    call expressions; they'll be recomputed anyway, and we don't want
    to instantiate them twice.
  - Rewrote the instantiation of variable initializers to cope with
    non-dependent forms properly.

Together, these fix a handful of problems I introduced with the switch
to always rebuild expressions from the source code "as written."

llvm-svn: 91315
 2009-12-14 19:27:10 +00:00
Jim Grosbach fed3d088ce correct selection requirements for thumb2 vs. arm versions of the barrier intrinsics 
llvm-svn: 91313
 2009-12-14 19:24:11 +00:00
Eric Christopher 1dba6ea72f Add radar fixed in comment. 
llvm-svn: 91312
 2009-12-14 19:07:25 +00:00