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104252 Commits

Author SHA1 Message Date
Bob Wilson 3e5944d96b Some single-precision VFP instructions can execute in either the VPF or Neon 
pipelines, at least on Cortex-A9.

llvm-svn: 129771
 2011-04-19 18:11:38 +00:00
Bob Wilson f33715e554 Improvements for the Cortex-A9 scheduling itineraries. 
llvm-svn: 129770
 2011-04-19 18:11:36 +00:00
Anton Korobeynikov e63da933eb Move abi bits to separate header. Force AAPCS for EABI in accordance with ARM RTABI. 
llvm-svn: 129769
 2011-04-19 17:52:09 +00:00
Anton Korobeynikov 75e3c1993c Add ARM EABI function aliases to routines 
llvm-svn: 129768
 2011-04-19 17:51:24 +00:00
Anton Korobeynikov bdadd87c4d Make use of LOCAL_LABEL macro 
llvm-svn: 129767
 2011-04-19 17:50:42 +00:00
Anton Korobeynikov 1653610449 Get rid of darwin'isms. Provide convenient macro for assembler local lables. 
llvm-svn: 129766
 2011-04-19 17:50:09 +00:00
Eli Friedman ee92a6b332 Add support for FastISel'ing varargs calls. 
llvm-svn: 129765
 2011-04-19 17:22:22 +00:00
Jakob Stoklund Olesen af12138d10 Force the greedy register allocator to be linked alongside linear scan. 
This means that the new register allocator can be used with 'clang -mllvm -regalloc=greedy'.

llvm-svn: 129764
 2011-04-19 17:17:58 +00:00
Eli Friedman bcd09b3a7f SelectBasicBlock is rather slow even when it doesn't do anything; skip the 
unnecessary work where possible.

llvm-svn: 129763
 2011-04-19 17:01:08 +00:00
Stuart Hastings 0b68c1219f Support nested CALLSEQ_BEGIN/END; necessary for ARM byval support. <rdar://problem/7662569> 
llvm-svn: 129761
 2011-04-19 16:16:58 +00:00
Jay Foad 6a85be25a4 Trivial simplification. 
llvm-svn: 129759
 2011-04-19 15:23:29 +00:00
Daniel Dunbar ddd3a2ec1d clang_darwin: Tweak runtime library definitions to include divmod functions. 
llvm-svn: 129757
 2011-04-19 15:14:46 +00:00
Jakob Stoklund Olesen fb1249548f Tighten test case a bit. 
Ideally, we would match an S-register to its containing D-register, but that
requires arithmetic (divide by 2).

llvm-svn: 129756
 2011-04-19 06:14:45 +00:00
Chris Lattner 91328b317b Implement support for x86 fastisel of small fixed-sized memcpys, which are generated 
en-mass for C++ PODs.  On my c++ test file, this cuts the fast isel rejects by 10x 
and shrinks the generated .s file by 5%

llvm-svn: 129755
 2011-04-19 05:52:03 +00:00
Chris Lattner 34a08c2344 tidy up 
llvm-svn: 129753
 2011-04-19 05:15:59 +00:00
Chris Lattner 5f4b783426 Implement support for fast isel of calls of i1 arguments, even though they are illegal, 
when they are a truncate from something else.  This eliminates fully half of all the 
fastisel rejections on a test c++ file I'm working with, which should make a substantial
improvement for -O0 compile of c++ code.

This fixed rdar://9297003 - fast isel bails out on all functions taking bools

llvm-svn: 129752
 2011-04-19 05:09:50 +00:00
Chris Lattner d7f7c93914 Handle i1/i8/i16 constant integer arguments to calls by prepromoting them. 
Before we would bail out on i1 arguments all together, now we just bail on
non-constant ones.  Also, we used to emit extraneous code.  e.g. test12 was:

	movb	$0, %al
	movzbl	%al, %edi
	callq	_test12

and test13 was:
	movb	$0, %al
	xorl	%edi, %edi
	movb	%al, 7(%rsp)
	callq	_test13f

Now we get:

	movl	$0, %edi
	callq	_test12
and:
	movl	$0, %edi
	callq	_test13f

llvm-svn: 129751
 2011-04-19 04:42:38 +00:00
Ted Kremenek fd07f85605 Add missing break statements. 
llvm-svn: 129750
 2011-04-19 04:36:17 +00:00
Chris Lattner c59290a34c be layout aware, to produce: 
testb	$1, %al
	je	LBB0_2
## BB#1:                                ## %if.then
	movb	$0, %al

instead of:

	testb	$1, %al
	jne	LBB0_1
	jmp	LBB0_2
LBB0_1:                                 ## %if.then
	movb	$0, %al

how 'bout that.

llvm-svn: 129749
 2011-04-19 04:26:32 +00:00
Chris Lattner 2c8a4c3b1b fix rdar://9297006 - fast isel bails out on trunc to i1 -> bools cry, 
a common cause of fast isel rejects on c++ code.

llvm-svn: 129748
 2011-04-19 04:22:17 +00:00
Greg Clayton 176761e530 Added a new option to the "source list" command that allows us to see where 
line tables specify breakpoints can be set in the source. When dumping the
source, the number of breakpoints that can be set on a source line are shown
as a prefix:

(lldb) source list -f test.c -l1 -c222 -b
       1   	#include <stdio.h>
       2   	#include <sys/fcntl.h>
       3   	#include <unistd.h>
       4   	int
       5   	sleep_loop (const int num_secs)
[2]    6   	{
       7   	    int i;
[1]    8   	    for (i=0; i<num_secs; ++i)
       9   	    {
[1]    10  	        printf("%d of %i - sleep(1);\n", i, num_secs);
[1]    11  	        sleep(1);       
       12  	    }
       13  	    return 0;
[1]    14  	}
       15  	
       16  	int 
       17  	main (int argc, char const* argv[])
[1]    18  	{
[1]    19  	    printf("Process: %i\n\n", getpid());
[1]    20  	    puts("Press any key to continue..."); getchar();
[1]    21  	    sleep_loop (20);
       22  	    return 12;
[1]    23  	}

Above we can see there are two breakpoints for line 6 and one breakpoint for
lines 8, 10, 11, 14, 18, 19, 20, 21 and 23. All other lines have no line table
entries for them. This helps visualize the data provided in the debug 
information without having to manually dump all line tables. It also includes
all inline breakpoint that may result for a given file which can also be very
handy to see.

llvm-svn: 129747
 2011-04-19 04:19:37 +00:00
Evan Cheng 7d6cd4902e Change A9 scheduling itineraries VLD* / VST* entries default to "aligned". That 
is, it assumes addresses are 64-bit aligned (which should be the more common
case). If the alignment is found not to be aligned, then getOperandLatency()
would adjust the operand latency computation by one to compensate for it.
rdar://9294833

llvm-svn: 129742
 2011-04-19 01:21:49 +00:00
Anders Carlsson d1f65f61ee Make the VariadicMethodTypeChecker accept block pointers as Objective-C pointers. Fixes PR9746. 
llvm-svn: 129741
 2011-04-19 01:16:46 +00:00
Matt Beaumont-Gay ceb763e23a Fix line endings 
llvm-svn: 129740
 2011-04-19 00:23:31 +00:00
Jakob Stoklund Olesen bf78618db6 Make tests register allocation independent again. 
llvm-svn: 129739
 2011-04-19 00:14:43 +00:00
Evan Cheng 4079133796 Do not lose mem_operands while lowering VLD / VST intrinsics. 
llvm-svn: 129738
 2011-04-19 00:04:03 +00:00
Francois Pichet 939efc5b0d Disable warning C4181: "qualifier applied to reference type; ignored" 
This was causing a flooding of warnings with MSVC 2008. This warning was removed in MSVC 2010.

llvm-svn: 129737
 2011-04-19 00:03:17 +00:00
NAKAMURA Takumi fc8d930f6e docs: Use <Hn> as Heading elements instead of <DIV class="doc_foo">. 
H1 ... doc_title
H2 ... doc_section
H3 ... doc_subsection
H4 ... doc_subsubsection

llvm-svn: 129736
 2011-04-18 23:59:50 +00:00
Devang Patel 0c7732499b Use ArrayRef variants. 
llvm-svn: 129735
 2011-04-18 23:51:03 +00:00
Daniel Dunbar d107638328 Driver/Darwin: Change to use generic iOS runtime library, which we now always need. 
llvm-svn: 129734
 2011-04-18 23:48:36 +00:00
Ted Kremenek 11d1a42e84 Report memory usage for global code completion results in CXTUMemoryUsage. 
llvm-svn: 129733
 2011-04-18 23:42:53 +00:00
Francois Pichet 45cc546271 Unbreak the MSVC build: Don't mix variable declarations and statements in a .c file. 
llvm-svn: 129732
 2011-04-18 23:33:22 +00:00
Greg Clayton 431ce67823 Fixed an issue where if you specify an architecture from the command line like: 
$ lldb --arch i386-unknown-unknown a.out

It would then create a target with only the "i386" part due to 
SBDebugger::GetDefaultArchitecture(...) truncating the arch triple due to the
way things used to be.

llvm-svn: 129731
 2011-04-18 23:15:17 +00:00
Ted Kremenek 83f642e54a Add libclang API to query how much memory is used by a CXTranslationUnit. This is a WIP. Currently we report 
the amount used for expressions, types, identifiers, and selectors.

llvm-svn: 129730
 2011-04-18 22:47:10 +00:00
Ted Kremenek db571c6e44 Add ASTContext::getTotalMemory() to allow clients to query how much memory is bump allocated for declarations, statements, and types. 
llvm-svn: 129729
 2011-04-18 22:47:07 +00:00
Ted Kremenek 1c2239e9b1 Add SelectorTable::getTotalMemory() to allow clients to query how much memory is used by selectors. 
llvm-svn: 129728
 2011-04-18 22:47:04 +00:00
Ted Kremenek 28af26d878 Add BumpPtrAllocator::getTotalMemory() to allow clients to query how much memory a BumpPtrAllocator allocated. 
llvm-svn: 129727
 2011-04-18 22:44:46 +00:00
Devang Patel 75f5cd671b Remove test to check line numbers. There are other numerous tests in our test harness to check line number information. 
llvm-svn: 129725
 2011-04-18 22:27:20 +00:00
Johnny Chen a6ca9fb407 Rename some variables, no functionality change. 
llvm-svn: 129724
 2011-04-18 22:11:31 +00:00
Jim Grosbach ddac5dd269 Trim a few unneeded includes. 
llvm-svn: 129723
 2011-04-18 21:35:54 +00:00
Eric Christopher 2e3fbaab39 Invert the meaning of printAliasInstr's return value. It now returns 
true on success and false on failure. Update callers.

llvm-svn: 129722
 2011-04-18 21:28:11 +00:00
Daniel Dunbar ed904c82b1 Driver/Darwin: Disable movw/movt with -mkernel or -fapple-kext. 
llvm-svn: 129721
 2011-04-18 21:26:42 +00:00
Eli Friedman ec138b4b27 Simplify declarations slightly by using typedefs. 
llvm-svn: 129720
 2011-04-18 21:21:37 +00:00
Fariborz Jahanian b107143fed Fix a bug in calculation of composite type 
of conditional expressions of objc pointer types
where one type is the immediate base type of the
other. // rdar://9296866

llvm-svn: 129718
 2011-04-18 21:16:59 +00:00
Johnny Chen 1ee61a7f3b Add a test script for exercising the "taregt create", "target list", and "target select" commands. 
llvm-svn: 129717
 2011-04-18 21:08:05 +00:00
Eli Friedman b2545fbc2a malloc elimination: it's a bad idea to use raw_svector_ostream on a 
small heap-allocated SmallString because it unconditionally forces a malloc.

(Revised version of r129688, with the necessary flush() call.)

llvm-svn: 129716
 2011-04-18 20:54:46 +00:00
Devang Patel 17740e70d5 Reduce clutter in asm output. Do not emit source location as comment for each instruction. 
llvm-svn: 129715
 2011-04-18 20:26:49 +00:00
Jakob Stoklund Olesen 9f294a9e52 Handle spilling around an instruction that has an early-clobber re-definition of 
the spilled register.

This is quite common on ARM now that some stores have early-clobber defines.

llvm-svn: 129714
 2011-04-18 20:23:27 +00:00
Sean Callanan 5d73033e0f Small fix to the ARM AsmParser to ensure that a 
superclass variable is instantiated properly.

llvm-svn: 129713
 2011-04-18 20:20:44 +00:00
Daniel Dunbar 10d0868efb Driver: Support -fno-lto. 
llvm-svn: 129712
 2011-04-18 19:44:09 +00:00