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92050 Commits

Author SHA1 Message Date
Bob Wilson b6832a4372 When moving zext/sext to be folded with a load, ignore the issue of whether 
truncates are free only in the case where the extended type is legal but the
load type is not.  If both types are illegal, such as when they are too big,
the load may not be legalized into an extended load.

llvm-svn: 114568
 2010-09-22 18:44:56 +00:00
Jim Grosbach e12c8ba05b Add PrintSpecial() handling for in ARM MC instruction printer. 
llvm-svn: 114563
 2010-09-22 18:37:14 +00:00
Jim Grosbach 6ebd728067 grammar tweakage 
llvm-svn: 114561
 2010-09-22 18:18:30 +00:00
Jim Grosbach 3bde49aa29 remove trailing whitespace 
llvm-svn: 114560
 2010-09-22 18:16:55 +00:00
Howard Hinnant 392183f99d visibility-decoration. 
llvm-svn: 114559
 2010-09-22 18:02:38 +00:00
Daniel Dunbar 18456f3d73 CrashRecovery/Darwin: Override raise() as well so that crash recovery doesn't 
end up altering the thread on which crashes are done because of its use of
Darwin's broken raise() implementation.

llvm-svn: 114558
 2010-09-22 17:46:10 +00:00
Johnny Chen 6594b8cc9b Changed to facilitate 'breakpoint set -n Puts', then 'thread step-out' to workaround 
rdar://problem/8464339 test/types directory: b basic_type.cpp:171 does not work, while gdb does work.

llvm-svn: 114557
 2010-09-22 17:46:07 +00:00
Rafael Espindola 9bac6cb544 Correctly align bss. 
llvm-svn: 114556
 2010-09-22 17:43:04 +00:00
Jim Grosbach 284eebc1ae Add MC instruction printer support for ARM and Thumb1 jump tables. 
llvm-svn: 114555
 2010-09-22 17:39:48 +00:00
Bob Wilson e1223fb583 Attempt to fix llvm-gcc build. It was crashing when building gcov.o for an 
ARM cross-compiler on x86, because the MMO size did not match the type size.
This fixes the MMO size and also the size of the stack object to match the
type size.

llvm-svn: 114554
 2010-09-22 17:35:14 +00:00
Jim Grosbach 1573b29ea7 Add MC instruction printer support for TB[BH] style thumb2 jump tables. 
llvm-svn: 114553
 2010-09-22 17:15:35 +00:00
Howard Hinnant 848a5374d0 visibility-decoration. 
llvm-svn: 114551
 2010-09-22 16:48:34 +00:00
Jim Grosbach 754e1efffc Clean up comment. 
llvm-svn: 114550
 2010-09-22 16:45:13 +00:00
Caroline Tice 7740412f2b Remove SBCommandContext which was not needed or doing anything. 
Add SBValueList.h & SBStream.h to build-swig-Python.sh; add SBValueList.h to lldb.swig

llvm-svn: 114549
 2010-09-22 16:41:52 +00:00
Douglas Gregor a1ed39be76 Fix a hard-to-reproduce crash-on-invalid, where we weren't checking for a valid result from ActOnIdExpression 
llvm-svn: 114548
 2010-09-22 16:33:13 +00:00
Howard Hinnant 3030b2f1ab visibility-decoration. 
llvm-svn: 114545
 2010-09-22 15:29:08 +00:00
Argyrios Kyrtzidis ca0d0cd3b9 Implement -Wpadded and -Wpacked. 
-Wpadded warns when undesired padding is introduced in a struct. (rdar://7469556)
-Wpacked warns if a struct is given the packed attribute, but the packed attribute has no effect
  on the layout or the size of the struct. Such structs may be mis-aligned for little benefit.

The warnings are emitted at the point where layout is calculated, that is at RecordLayoutBuilder.
To avoid calculating the layouts of all structs regardless of whether they are needed or not,
I let the layouts be lazily constructed when needed. This has the disadvantage that the above warnings
will be emitted only when they are used for IR gen, and not e.g with -fsyntax-only:

$ cat t.c
struct S {
  char c;
  int i;
};
void f(struct S* s) {}

$ clang -fsyntax-only -Wpadded t.c
$ clang -c -Wpadded t.c -o t.o
t.c:3:7: warning: padding struct 'struct S' with 3 bytes to align 'i' [-Wpadded]
  int i;
      ^
1 warning generated.

This is a good tradeoff between providing the warnings and not calculating layouts for all
structs in case the user has enabled a couple of rarely used warnings.

llvm-svn: 114544
 2010-09-22 14:32:24 +00:00
Howard Hinnant a3988679f9 visibility-decoration. 
llvm-svn: 114543
 2010-09-22 14:16:26 +00:00
Mikhail Glushenkov 922f13ce2e llvmc: Support '-emit-llvm -S' with -opt. 
llvm-svn: 114541
 2010-09-22 09:00:41 +00:00
Mikhail Glushenkov 11adecbf75 A more informative output suffix for the opt tool. 
llvm-svn: 114540
 2010-09-22 09:00:35 +00:00
Jason Molenda 0c7cc85649 Add a new ArchVolatileRegs plugin class to identify 
whether a given register number is treated as volatile
or not for a given architecture/platform.

approx 450 lines of boilerplate, 50 lines of actual code. :)

llvm-svn: 114537
 2010-09-22 07:37:07 +00:00
Chris Lattner 415624cf3f fix rdar://8456371 - Handle commutable instructions written backward. 
llvm-svn: 114536
 2010-09-22 06:26:39 +00:00
Chris Lattner 775e635b5a update a bunch of tests that are using the x86 backend instead of grepping IR :( 
llvm-svn: 114535
 2010-09-22 06:09:31 +00:00
Chris Lattner bd85725341 Fix an inconsistency in the x86 backend that led it to reject "calll foo" on 
x86-32: 32-bit calls were named "call" not "calll".  64-bit calls were correctly
named "callq", so this only impacted x86-32.

This fixes rdar://8456370 - llvm-mc rejects 'calll'

This also exposes that mingw/64 is generating a 32-bit call instead of a 64-bit call,
I will file a bugzilla.

llvm-svn: 114534
 2010-09-22 05:49:14 +00:00
Chris Lattner 37fc469f88 fix rdar://8456412 - llvm-mc crash in encoder on "mov %rdx, %cr8" 
Teaching the code generator about CR8-15, how to rex them up, etc.

llvm-svn: 114533
 2010-09-22 05:29:50 +00:00
Chris Lattner 2bb9504d1a fix rdar://8456417 - llvm-mc can't do basic math 
llvm-svn: 114532
 2010-09-22 05:05:16 +00:00
Chris Lattner 9dfd2e354e add the missing aliases for fp stack cmovs, rdar://8456391 
llvm-svn: 114531
 2010-09-22 04:56:20 +00:00
Greg Clayton a4ddf7f802 Added the start of a test case that will test all basic types and all the 
variety of ways they can be displayed in variable views.

llvm-svn: 114530
 2010-09-22 04:50:38 +00:00
Chris Lattner 8a236b63d8 reimplement elf TLS support in terms of addressing modes, eliminating SegmentBaseAddress. 
llvm-svn: 114529
 2010-09-22 04:39:11 +00:00
Chris Lattner 1261b81e82 Fix rdar://8456364 - llvm-mc rejects '%CS' 
llvm-svn: 114528
 2010-09-22 04:11:10 +00:00
Chris Lattner 39cf8deded fix rdar://8456389 - llvm-mc mismatch with 'as' on 'fstp' 
-This line, and those below, will be ignored--

M    test/MC/AsmParser/X86/x86_instructions.s
M    lib/Target/X86/AsmParser/X86AsmParser.cpp

llvm-svn: 114527
 2010-09-22 04:04:03 +00:00
Chris Lattner a91e510f94 fix rdar://8456361 - llvm-mc rejects 'rep movsd' 
llvm-svn: 114526
 2010-09-22 03:50:32 +00:00
Chris Lattner a5156c30ed convert the last 4 X86ISD nodes that should have memoperands to have them. 
llvm-svn: 114523
 2010-09-22 01:28:21 +00:00
Chris Lattner ed85da5600 give X86ISD::FNSTCW16m a memoperand, since it touches memory. It only 
can access the stack due to how it is generated though.

llvm-svn: 114522
 2010-09-22 01:11:26 +00:00
Chris Lattner 78f518b79b give FP_TO_INT16_IN_MEM and friends a memoperand. They are only 
used with stack slots, but hey, lets be safe.

llvm-svn: 114521
 2010-09-22 01:05:16 +00:00
Chris Lattner 505af598d0 linux has a different stack alignment than the mac, relax this a bit. 
llvm-svn: 114519
 2010-09-22 00:46:26 +00:00
Sebastian Redl 96371b446e Only preload SLocEntries after the entire PCH chain was loaded. 
llvm-svn: 114518
 2010-09-22 00:42:30 +00:00
Sebastian Redl 949fe9e03b Reshuffle PerFileData's members to make more sense. 
llvm-svn: 114517
 2010-09-22 00:42:27 +00:00
Greg Clayton 4f432e719b Added some comments explaining why we currently have to manually set CXXRecordDecl variables. This is because SEMA is actually calling the accessors that should be built into the CXXRecordDecl class. We have an internal bug tracking this change and will remove the affected work around code when a solution is available. 
llvm-svn: 114516
 2010-09-22 00:40:49 +00:00
Chris Lattner 54e5329545 give VZEXT_LOAD a memory operand, it now works with segment registers. 
llvm-svn: 114515
 2010-09-22 00:34:38 +00:00
Sean Callanan c31ba26e0c Improved the logging for ASTs generated on the 
expression parser's behalf so that now we see the
full TranslationUnitDecl instead of just the
FunctionDecl.

llvm-svn: 114514
 2010-09-22 00:33:31 +00:00
Johnny Chen 9bb7dade7b Sanity check the print representation of lldb.SBProcess object. 
llvm-svn: 114513
 2010-09-22 00:25:33 +00:00
Greg Clayton 60e1aa56f7 Fixed CXXRecordDecl declaration settings for whether a class in a POD type 
or not.

llvm-svn: 114512
 2010-09-22 00:24:45 +00:00
Greg Clayton d7aa114ecc Fixed a build warning where no return values was being returned. 
llvm-svn: 114511
 2010-09-22 00:23:59 +00:00
Chris Lattner 07827ba978 revert r114386 now that address modes work correctly, we get a nice 
call through gs-relative memory now.

llvm-svn: 114510
 2010-09-22 00:11:31 +00:00
Daniel Dunbar da4f6b5151 Driver/Darwin: Add a runtime library just for ___eprintf -- when targeting i386 
some projects still depend on ___eprintf being available.

llvm-svn: 114509
 2010-09-22 00:03:52 +00:00
Chris Lattner e479e9643b give LCMPXCHG_DAG[8] a memory operand, allowing it to work with addrspace 256/257 
llvm-svn: 114508
 2010-09-21 23:59:42 +00:00
Chris Lattner 0cefa51114 filecheckize 
llvm-svn: 114507
 2010-09-21 23:57:27 +00:00
Evan Cheng d757c88bba OptimizeCompareInstr should avoid iterating pass the beginning of the MBB when the 'and' instruction is after the comparison. 
llvm-svn: 114506
 2010-09-21 23:49:07 +00:00
Johnny Chen d64c3e7913 Trivial change of a trace output string. 
llvm-svn: 114505
 2010-09-21 23:47:01 +00:00