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59474 Commits

Author SHA1 Message Date
Johnny Chen 75f82345c4 Now that Evan Cheng has fixed the coalescer bug (r100804), the workaround code 
to avoid memcpy() call is no longer necessary.

llvm-svn: 100811
 2010-04-08 21:23:54 +00:00
Chris Lattner 433d40695b remove the TargetLoweringObjectFileMachO::getMachoSection 
api and update clients to use MCContext instead.

llvm-svn: 100808
 2010-04-08 20:40:11 +00:00
Chris Lattner 2073112fc0 move macho section uniquing from MCParser and TLOF to MCContext where 
the compiler and asmparser now unique to the same sections.  This fixes
rdar://7835021.

llvm-svn: 100807
 2010-04-08 20:30:37 +00:00
Evan Cheng b083c47c21 Coalescer should not delete copy instructions whose defs are partially dead. e.g. 
%RDI<def,dead> = MOV64rr %RAX<kill>, %EDI<imp-def>

llvm-svn: 100804
 2010-04-08 20:02:37 +00:00
Ted Kremenek 7ffb294c5b Update CMake build. 
llvm-svn: 100802
 2010-04-08 18:52:18 +00:00
Ted Kremenek d87bd77586 Fix -Wsign-compare warning (issued by clang++). 
llvm-svn: 100799
 2010-04-08 18:49:30 +00:00
Dan Gohman 98bc4371c7 Add a -lint pass which checks for common sources of undefined or likely 
unintended behavior.

llvm-svn: 100798
 2010-04-08 18:47:09 +00:00
Devang Patel 359b013129 Rename a function. 
llvm-svn: 100797
 2010-04-08 18:43:56 +00:00
Chris Lattner 294a90d87a implicit defs get added to the end of machine instrs sometimes. Scan the whole instruction for the metadata operand instead of assuming it will be at the end of the instruction. 
llvm-svn: 100792
 2010-04-08 18:20:52 +00:00
Dan Gohman cb45bd9cb3 Pointers to zero-sized objects don't point to overlapping objects. 
llvm-svn: 100789
 2010-04-08 18:11:50 +00:00
Dan Gohman 386e01e879 Print empty structs as {} rather than { }. 
llvm-svn: 100787
 2010-04-08 18:03:05 +00:00
Dan Gohman b6c29c27da Fix a comment. 
llvm-svn: 100783
 2010-04-08 17:41:04 +00:00
Jeffrey Yasskin 96f8a4a82f Touch configure so it regenerates Disassemblers.def to include ARM so 
people stop seeing a broken build in EDDisassembler.cpp

llvm-svn: 100782
 2010-04-08 17:19:20 +00:00
Devang Patel 3ebd8931fb One instruction may start (or end) multiple lexical scopes. 
There is no need to remember labels identifying regions marked by such instructions in each scope.

llvm-svn: 100781
 2010-04-08 16:50:29 +00:00
Gabor Greif 64d8d1a022 clean up algorithm and remove operand order assumptions 
llvm-svn: 100780
 2010-04-08 16:46:24 +00:00
Dan Gohman bc048307f3 Fix a comment. 
llvm-svn: 100774
 2010-04-08 15:57:10 +00:00
Devang Patel 2abed283e5 Remove dead code. 
llvm-svn: 100771
 2010-04-08 15:48:02 +00:00
Devang Patel adfd4df12c Delete out of date comment. 
llvm-svn: 100769
 2010-04-08 15:41:13 +00:00
Devang Patel f1d5a1e994 Refactor. 
llvm-svn: 100768
 2010-04-08 15:37:09 +00:00
Benjamin Kramer 53dd088b58 Various MSVC warning fixes about truncated 64 bit shifts and const pointers passed to free. 
llvm-svn: 100767
 2010-04-08 15:25:57 +00:00
Benjamin Kramer a1eafb9afd Provide operator delete for BumpPtrAllocator and RecyclingAllocator. They will 
never be called but msvc complains that they're missing.

llvm-svn: 100766
 2010-04-08 15:22:35 +00:00
Gabor Greif c6a6d39289 use abstract interface in two more places 
llvm-svn: 100762
 2010-04-08 13:50:42 +00:00
Gabor Greif 1c73242012 fix compile 
llvm-svn: 100760
 2010-04-08 13:08:11 +00:00
Gabor Greif 11e7b32e4e use abstract interface 
llvm-svn: 100758
 2010-04-08 12:52:19 +00:00
Benjamin Kramer a6769269f3 Use twines to simplify calls to report_fatal_error. For code size and readability. 
llvm-svn: 100756
 2010-04-08 10:44:28 +00:00
Benjamin Kramer 634d9ff7c0 Use errs instead of fprintf. 
llvm-svn: 100754
 2010-04-08 09:42:29 +00:00
Evan Cheng ebe47c872f Avoid using f64 to lower memcpy from constant string. It's cheaper to use i32 store of immediates. 
llvm-svn: 100751
 2010-04-08 07:37:57 +00:00
Dan Gohman 883105485b Revert this change from a while ago; ScalarEvolution shouldn't analyze 
undef as 0, since it can't force other analyses to intepret the undef
in the same way.

llvm-svn: 100749
 2010-04-08 05:58:24 +00:00
Dan Gohman 4506539d84 When expanding expressions which are using post-inc mode for multiple loops, 
ensure that the expansion is dominated by the increments of those loops.

llvm-svn: 100748
 2010-04-08 05:57:57 +00:00
Evan Cheng 058b9f04e8 Make post regalloc machine licm functional. It now passes all of MultiSource. 
llvm-svn: 100742
 2010-04-08 01:03:47 +00:00
Chris Lattner 685db9d59e typo 
llvm-svn: 100738
 2010-04-08 00:54:34 +00:00
Chris Lattner bd4ca62c80 document isvolatile etc. 
llvm-svn: 100737
 2010-04-08 00:53:57 +00:00
Eric Christopher c0f63cf7a9 mpsadbw is not commutative. 
Fixes PR3440.

llvm-svn: 100736
 2010-04-08 00:52:02 +00:00
Sean Callanan 03549ee5af Added support for ARM disassembly to edis. 
I also added a rule to the ARM target's Makefile to
build the ARM-specific instruction information table
for the enhanced disassembler.

I will add the test harness for all this stuff in
a separate commit.

llvm-svn: 100735
 2010-04-08 00:48:21 +00:00
Chris Lattner 3c65a8324d convert a report_fatal_error that I was able to trigger into a nice error 
so the user at least knows what inline asm is a problem.  For example:

error: inline asm not supported yet: don't know how to handle tied indirect register inputs
pr8788-1.c:14:10: note: generated from here
    asm ("\n" : "+r" (stack->regs)
         ^

Instead of:
fatal error: error in backend: Don't know how to handle tied indirect register inputs yet!

llvm-svn: 100731
 2010-04-08 00:09:16 +00:00
Evan Cheng 81fd35fd76 Fix typo. 
llvm-svn: 100726
 2010-04-07 23:51:38 +00:00
Chris Lattner 94ef52824b minor tidying. 
llvm-svn: 100725
 2010-04-07 23:50:38 +00:00
Chris Lattner cd92718a0f use assertions instead of unreachable for logic errors. 
llvm-svn: 100724
 2010-04-07 23:47:51 +00:00
Chris Lattner 1e45789ee0 introduce a new recoverable error handling API to LLVMContext 
and use it in one place in inline asm handling stuff.  Before
we'd generate this for an invalid modifier letter:

$ clang asm.c -c -o t.o
fatal error: error in backend: Invalid operand found in inline asm: 'abc incl    ${0:Z}'
INLINEASM <es:abc incl    ${0:Z}>, 10, %EAX<def>, 2147483657, %EAX, 14, %EFLAGS<earlyclobber,def,dead>, <!-1>


Now we generate this:

$ clang asm.c -c -o t.o
error: invalid operand in inline asm: 'incl    ${0:Z}'
asm.c:3:12: note: generated from here
  __asm__ ("incl    %Z0" : "+r" (X));
           ^
1 error generated.

This is much better but still admittedly not great ("why" is the operand 
invalid??), codegen should try harder with its diagnostics :)

llvm-svn: 100723
 2010-04-07 23:40:44 +00:00
Dan Gohman eb7111b98f Say bitcast instead of bitconvert. 
llvm-svn: 100720
 2010-04-07 23:22:42 +00:00
Chris Lattner 59c5753174 rename llvm_install_error_handler -> install_fatal_error_handler 
and friends.

llvm-svn: 100717
 2010-04-07 23:12:29 +00:00
Ted Kremenek 4b1b4205ed Update CMake build. 
llvm-svn: 100714
 2010-04-07 23:05:23 +00:00
Benjamin Kramer 33f6413c58 Update cmake build. 
llvm-svn: 100713
 2010-04-07 23:01:37 +00:00
Eric Christopher e8b281c3c3 Add support for stpncpy_chk. 
llvm-svn: 100710
 2010-04-07 23:00:07 +00:00
Chris Lattner 2104b8d36e rename llvm::llvm_report_error -> llvm::report_fatal_error 
llvm-svn: 100709
 2010-04-07 22:58:41 +00:00
Chris Lattner 5109d3e55d add newlines at end of files. 
llvm-svn: 100706
 2010-04-07 22:54:55 +00:00
Chris Lattner 3ae2dd2ba5 add newlines at the end of files. 
llvm-svn: 100705
 2010-04-07 22:53:17 +00:00
Chris Lattner cc7bb24fe2 remove some unneeded errorhandling stuff. 
llvm-svn: 100703
 2010-04-07 22:44:07 +00:00
Chris Lattner b6166b372e minor tidying up 
llvm-svn: 100702
 2010-04-07 22:41:29 +00:00
Chris Lattner b50e795369 tidy up 
llvm-svn: 100700
 2010-04-07 22:29:10 +00:00