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59463 Commits

Author SHA1 Message Date
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Devang Patel adfd4df12c Delete out of date comment.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
Dan Gohman d006ab90dd Generalize IVUsers to track arbitrary expressions rather than expressions 
explicitly split into stride-and-offset pairs. Also, add the
ability to track multiple post-increment loops on the same expression.

This refines the concept of "normalizing" SCEV expressions used for
to post-increment uses, and introduces a dedicated utility routine for
normalizing and denormalizing expressions.

This fixes the expansion of expressions which are post-increment users
of more than one loop at a time. More broadly, this takes LSR another
step closer to being able to reason about more than one loop at a time.

llvm-svn: 100699
 2010-04-07 22:27:08 +00:00
Johnny Chen 85ce9f4f30 Missed this one line for the previous checkin to fix build warnings. 
llvm-svn: 100697
 2010-04-07 22:21:03 +00:00
Johnny Chen 8b04b550df Fixed warnings pointed out by clang. 
llvm-svn: 100696
 2010-04-07 22:03:27 +00:00
Johnny Chen 80f8c3d533 Fixed warnings pointed out by clang. 
Next to work on is ARMDisassemblerCore.cpp.

llvm-svn: 100695
 2010-04-07 21:52:48 +00:00
Sean Callanan 1efe661b46 Fixed a bug where the disassembler would allow an immediate 
argument that had to be between 0 and 7 to have any value,
firing an assert later in the AsmPrinter.  Now, the
disassembler rejects instructions with out-of-range values
for that immediate.

llvm-svn: 100694
 2010-04-07 21:42:19 +00:00
Johnny Chen 3f253e2cb1 Fixed 3 warnings pointed out by clang. 
llvm-svn: 100693
 2010-04-07 21:23:48 +00:00
Benjamin Kramer f812ff6f2e unXFAIL, arm disassembler was reenabled. 
llvm-svn: 100692
 2010-04-07 21:19:41 +00:00
Eric Christopher 978d33a937 Fix typo and correct comment somewhat. 
llvm-svn: 100691
 2010-04-07 20:58:16 +00:00
Johnny Chen 4e2f8722c4 Re-enable ARM/Thumb disassembler and add a workaround for a memcpy() call in 
ARMDecoderEmitter.cpp, with FIXME comment.

llvm-svn: 100690
 2010-04-07 20:53:12 +00:00
Dale Johannesen f118f9788b Split big test into multiple directories to cater to 
those who don't build all targets.

llvm-svn: 100688
 2010-04-07 20:43:35 +00:00
Sean Callanan 643a55708f Added an AsmLexer for the ARM target, which uses 
a simple mapping of register names to IDs to
identify register tokens.

llvm-svn: 100685
 2010-04-07 20:29:34 +00:00