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Author SHA1 Message Date
Devang Patel
3cc4a24666 Remove dead code. 
llvm-svn: 100771
 2010-04-08 15:48:02 +00:00
Devang Patel
b9f9a00513 Delete out of date comment. 
llvm-svn: 100769
 2010-04-08 15:41:13 +00:00
Devang Patel
9ada7b28a2 Refactor. 
llvm-svn: 100768
 2010-04-08 15:37:09 +00:00
Benjamin Kramer
3b7602b1fb 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
63b5d569d1 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
79979079e9 use abstract interface in two more places 
llvm-svn: 100762
 2010-04-08 13:50:42 +00:00
Gabor Greif
362d7b3d89 fix compile 
llvm-svn: 100760
 2010-04-08 13:08:11 +00:00
Gabor Greif
2703bed5f8 use abstract interface 
llvm-svn: 100758
 2010-04-08 12:52:19 +00:00
Benjamin Kramer
0fb23008bb 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
f0ecbf7c5d Use errs instead of fprintf. 
llvm-svn: 100754
 2010-04-08 09:42:29 +00:00
Evan Cheng
3fa0b6fb03 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
bd878ac80b 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
0a77dd29de 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
2f7cee1730 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
2b868eff9b typo 
llvm-svn: 100738
 2010-04-08 00:54:34 +00:00
Chris Lattner
a9fcf0a3d7 document isvolatile etc. 
llvm-svn: 100737
 2010-04-08 00:53:57 +00:00
Eric Christopher
649c823f75 mpsadbw is not commutative. 
Fixes PR3440.

llvm-svn: 100736
 2010-04-08 00:52:02 +00:00
Sean Callanan
dcd7a375dd 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
579e7eb423 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
176d2886e8 Fix typo. 
llvm-svn: 100726
 2010-04-07 23:51:38 +00:00
Chris Lattner
f9fbc74e40 minor tidying. 
llvm-svn: 100725
 2010-04-07 23:50:38 +00:00
Chris Lattner
96ed85d7ab use assertions instead of unreachable for logic errors. 
llvm-svn: 100724
 2010-04-07 23:47:51 +00:00
Chris Lattner
393ea6fc22 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
8f2ebaf7ec Say bitcast instead of bitconvert. 
llvm-svn: 100720
 2010-04-07 23:22:42 +00:00
Chris Lattner
ea8b374616 rename llvm_install_error_handler -> install_fatal_error_handler 
and friends.

llvm-svn: 100717
 2010-04-07 23:12:29 +00:00
Ted Kremenek
cce8f54757 Update CMake build. 
llvm-svn: 100714
 2010-04-07 23:05:23 +00:00
Benjamin Kramer
8ae03bbc21 Update cmake build. 
llvm-svn: 100713
 2010-04-07 23:01:37 +00:00
Eric Christopher
70a6c8fd6d Add support for stpncpy_chk. 
llvm-svn: 100710
 2010-04-07 23:00:07 +00:00
Chris Lattner
80b41881bc rename llvm::llvm_report_error -> llvm::report_fatal_error 
llvm-svn: 100709
 2010-04-07 22:58:41 +00:00
Chris Lattner
a58082f349 add newlines at end of files. 
llvm-svn: 100706
 2010-04-07 22:54:55 +00:00
Chris Lattner
23334439e9 add newlines at the end of files. 
llvm-svn: 100705
 2010-04-07 22:53:17 +00:00
Chris Lattner
0768c834fe remove some unneeded errorhandling stuff. 
llvm-svn: 100703
 2010-04-07 22:44:07 +00:00
Chris Lattner
f927d33d8c minor tidying up 
llvm-svn: 100702
 2010-04-07 22:41:29 +00:00
Chris Lattner
cc827ee016 tidy up 
llvm-svn: 100700
 2010-04-07 22:29:10 +00:00
Dan Gohman
b5210c934f 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
b024d0a612 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
9fdf028fd3 Fixed warnings pointed out by clang. 
llvm-svn: 100696
 2010-04-07 22:03:27 +00:00
Johnny Chen
16c0653745 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
3c69c6593a 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
4dc93f2195 Fixed 3 warnings pointed out by clang. 
llvm-svn: 100693
 2010-04-07 21:23:48 +00:00
Benjamin Kramer
0230783438 unXFAIL, arm disassembler was reenabled. 
llvm-svn: 100692
 2010-04-07 21:19:41 +00:00
Eric Christopher
0b9a4cb3d7 Fix typo and correct comment somewhat. 
llvm-svn: 100691
 2010-04-07 20:58:16 +00:00
Johnny Chen
2c992fb384 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
4cdb545401 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
8ac8cf3f10 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
Dale Johannesen
7ec4547ab6 Test that DEBUG_VALUE comments come out on a variety of targets. 
llvm-svn: 100682
 2010-04-07 20:01:24 +00:00
Dale Johannesen
8691bcbc2a Educate GetInstrSizeInBytes implementations that 
DBG_VALUE does not generate code.

llvm-svn: 100681
 2010-04-07 19:51:44 +00:00
Gabor Greif
f2480270e1 fix 80-col violations 
llvm-svn: 100677
 2010-04-07 18:59:26 +00:00
Anton Korobeynikov
e5c1563130 Remove late ARM codegen optimization pass committed by accident. 
It is not ready for public yet.

llvm-svn: 100673
 2010-04-07 18:23:27 +00:00
Anton Korobeynikov
51fba0e4eb Split A8/A9 itins - they already were too big. 
llvm-svn: 100672
 2010-04-07 18:22:11 +00:00