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Author SHA1 Message Date
Evan Cheng
eb32efa3b6 Fix typo. 
llvm-svn: 100609
 2010-04-07 05:59:12 +00:00
Chris Lattner
122572e13a Have the inst emitter add the !srcloc mdnode to the machine instr. 
Have the asmprinter use the mdnode to scavenge a source location if
present.  Document this nonsense in langref.

llvm-svn: 100607
 2010-04-07 05:38:05 +00:00
Chris Lattner
2bf164dbf2 remove another magic number. 
llvm-svn: 100606
 2010-04-07 05:27:36 +00:00
Chris Lattner
dde7376e9d Three changes: 
1. Introduce some enums and accessors in the InlineAsm class
   that eliminate a ton of magic numbers when handling inline
   asm SDNode.
2. Add a new MDNodeSDNode selection dag node type that holds
   a MDNode (shocking!)
3. Add a new argument to ISD::INLINEASM nodes that hold !srcloc
   metadata, propagating it to the instruction emitter, which
   drops it.

No functionality change.

llvm-svn: 100605
 2010-04-07 05:20:54 +00:00
Chris Lattner
0f513e1c22 fix a crash on invalid metadata, e.g.: call i32 @foo(), XXXX 
We would return the error without inserting the new instruction
into the program, so it wouldn't get deallocated, and an abort
would trigger when the module was deleted. 

llvm-svn: 100602
 2010-04-07 04:08:57 +00:00
Sanjiv Gupta
3d39bd26c3 Fix memory leaks for external symbol name strings. 
llvm-svn: 100601
 2010-04-07 03:36:01 +00:00
John McCall
a28e38ca2f Clean up some signedness oddities in this code noticed by clang. 
llvm-svn: 100599
 2010-04-07 01:49:15 +00:00
Dale Johannesen
c0f9c29448 Move printing of target-indepedent DEBUG_VALUE comments 
into AsmPrinter.  Target-dependent form is still generated
by FastISel and still handled in X86 code.

llvm-svn: 100596
 2010-04-07 01:15:14 +00:00
Evan Cheng
ac90d47ea3 Post regalloc LICM. Work in progress. 
llvm-svn: 100592
 2010-04-07 00:41:17 +00:00
Devang Patel
bcab88162a Do not emit specification DIE with DW_AT_specification attribute for member functions of a funcation local class. This trips gdb's partial scan of DIEs at load time. Fixes Radar 7833483. 
llvm-svn: 100586
 2010-04-06 23:53:48 +00:00
Jakob Stoklund Olesen
1d32196fdc Let that which does not matter truly slide. 
This test only cares about alignment, so don't test for other cruft.
An upcoming llvm-gcc patch needs this.

llvm-svn: 100584
 2010-04-06 23:44:44 +00:00
John McCall
e20cc3b28c Fix a number of clang -Wsign-compare warnings that didn't have an obvious 
solution.  The only reason these don't fire with gcc-4.2 is that gcc turns off
part of -Wsign-compare in C++ on accident.

llvm-svn: 100581
 2010-04-06 23:35:53 +00:00
Dale Johannesen
2a51b8abe5 Revert 100573, it's causing some testsuite problems. 
llvm-svn: 100578
 2010-04-06 22:45:26 +00:00
Dale Johannesen
fefeacda3b Move printing of DEBUG_VALUE comments to target-independent place. 
There is probably a more elegant way to do this.

llvm-svn: 100573
 2010-04-06 22:21:07 +00:00
Bob Wilson
6bc6581ca7 Expand SELECT and SELECT_CC for NEON vector types. 
Radar 7770501.

llvm-svn: 100568
 2010-04-06 22:02:24 +00:00
Dale Johannesen
fef6eb4076 Allow for the possibility that a debug-value points 
to a SDNode that didn't have code generated for it.

llvm-svn: 100566
 2010-04-06 21:59:56 +00:00
Stuart Hastings
4f6cdc07e9 Reverting 100530 & 100531 due to regressions in the GDB test suite. 
llvm-svn: 100563
 2010-04-06 21:38:29 +00:00
Jim Grosbach
0c336a7923 Fix PR6696 and PR6663 
When a frame pointer is not otherwise required, and dynamic stack alignment
is necessary solely due to the spilling of a register with larger alignment
requirements than the default stack alignment, the frame pointer can be both
used as a general purpose register and a frame pointer. That goes poorly, for
obvious reasons. This patch brings back a bit of old logic for identifying
the use of such registers and conservatively reserves the frame pointer
during register allocation in such cases.

For now, implement for X86 only since it's 32-bit linux which is hitting this,
and we want a targeted fix for 2.7. As a follow-on, this will be expanded
to handle other targets, as theoretically the problem could arise elsewhere
as well.

llvm-svn: 100559
 2010-04-06 20:26:37 +00:00
Bill Wendling
c1bbfced8f Make this hack more specific to the Apple gcc 4.2 non-LLVM compiler. 
llvm-svn: 100556
 2010-04-06 20:07:21 +00:00
Jakob Stoklund Olesen
370a3e553f Don't try to collapse DomainValues onto an incompatible SSE domain. 
This fixes the Bullet regression on i386/nocona.

llvm-svn: 100553
 2010-04-06 19:48:56 +00:00
Gabor Greif
faa9bf800f performance: get rid of repeated dereferencing of use_iterator by caching its result 
llvm-svn: 100550
 2010-04-06 19:32:30 +00:00
Gabor Greif
2afbfcfaa4 make more two predicates constant 
llvm-svn: 100549
 2010-04-06 19:24:18 +00:00
Gabor Greif
3969e04cb9 performance: get rid of repeated dereferencing of use_iterator by caching its result 
llvm-svn: 100547
 2010-04-06 19:14:05 +00:00
Gabor Greif
6e9847b04f const-ize predicate ValueIsOnlyUsedLocallyOrStoredToOneGlobal 
llvm-svn: 100546
 2010-04-06 18:58:22 +00:00
Gabor Greif
a1fcda6242 use CallSite to access calls vs. invokes uniformly 
and remove assumptions about operand order

llvm-svn: 100544
 2010-04-06 18:45:08 +00:00
Chris Lattner
81177fa767 this accessor doesn't need to copy the string. 
llvm-svn: 100542
 2010-04-06 18:37:22 +00:00
Chris Lattner
c83a42075b enhance SMDiagnostic to also maintain a pointer to the SourceMgr. 
Add a simplified constructor for clients that don't have locations
like "file not found" errors.

llvm-svn: 100538
 2010-04-06 18:06:18 +00:00
Evan Cheng
99617bac24 Code clean up. Move includes from VirtRegRewriter.h to VirtRegRewriter.cpp. 
llvm-svn: 100532
 2010-04-06 17:19:55 +00:00
Stuart Hastings
749cf45929 Revise debug info machinery to digest nested functions and classes. 
A certain GDB testsuite case (local.cc) has a function nested inside a
class nested inside another function.  GCC presents the innermost
function to llvm-convert first.  Heretofore, the debug info mistakenly
placed the inner function at module scope.  This patch walks the GCC
context links and instantiates the outer class and function so the
debug info is properly nested.  Radar 7426545.

llvm-svn: 100530
 2010-04-06 17:19:32 +00:00
John Criswell
1360040370 Adding SAFECode to the list of projects that work with LLVM 2.7. 
llvm-svn: 100525
 2010-04-06 14:52:14 +00:00
Mon P Wang
c0da8af5c3 Remove assert to treat memmove and memset like memcpy 
llvm-svn: 100521
 2010-04-06 08:27:51 +00:00
Owen Anderson
a8a2718d7d Use a ManagedCleanup to prevent leaking the PassRegistrar map. In breaks the 
use case where someone wants to resurrect LLVM after calling llvm_shutdown,
but I'm not aware of any clients that are affected by this.

llvm-svn: 100519
 2010-04-06 04:20:48 +00:00
Jakob Stoklund Olesen
37cb8c0742 Avoid overflowing a signed integer which triggers undefined behaviour. 
Overflowing an unsigned integer is fine and behaves as you would expect.
Also fix a pasto, allowing SignExtend64 to take a 64-bit argument.

llvm-svn: 100517
 2010-04-06 03:12:43 +00:00
Dan Gohman
cbfa9139eb Add a const qualifier. 
llvm-svn: 100515
 2010-04-06 01:31:12 +00:00
Chris Lattner
960095d2c8 propagate cookie management out one layer of function calls. 
llvm-svn: 100510
 2010-04-06 00:58:50 +00:00
Chris Lattner
344a742ed1 report errors through LLVMContext's inline asm handler if available. 
llvm-svn: 100509
 2010-04-06 00:55:39 +00:00
Chris Lattner
8c1f45d90b Give MachineModuleInfo an actual Module*. 
llvm-svn: 100508
 2010-04-06 00:51:52 +00:00
Chris Lattner
b7a7cb37b6 give LLVMContext an inline asm diagnostic hook member. 
llvm-svn: 100506
 2010-04-06 00:44:45 +00:00
Devang Patel
5e0cb53223 Remove unnecessary include. 
llvm-svn: 100505
 2010-04-06 00:38:32 +00:00
Chris Lattner
48d30a3011 give the SourceMgr object a cookie. 
llvm-svn: 100504
 2010-04-06 00:33:43 +00:00
Chris Lattner
117d05ca0e Give llvm::SourceMgr the ability to have a client-specified 
diagnostic handler.

llvm-svn: 100503
 2010-04-06 00:26:48 +00:00
Douglas Gregor
41de3d792a Remove MaybeOwningPtr. We're going to use reference-counting instead. 
llvm-svn: 100499
 2010-04-05 23:53:46 +00:00
Jakob Stoklund Olesen
fcc2dfa1b4 Properly enable load clustering. 
Operand 2 on a load instruction does not have to be a RegisterSDNode for this to
work.

llvm-svn: 100497
 2010-04-05 23:48:02 +00:00
Evan Cheng
c6dc63d62c Fix an obvious copy-n-paste bug. It's not known to cause any miscompilation. 
llvm-svn: 100494
 2010-04-05 23:33:29 +00:00
Chris Lattner
f753452587 Give AsmParser an option to control whether it finalizes 
the stream.  New demo:

$ clang asm.c -S -o - -emit-llvm | llc -filetype=obj -o t.o
$ otool -tv t.o
t.o:
(__TEXT,__text) section
_foo:
0000000000000000	subq	$0x08,%rsp
0000000000000004	movl	%edi,(%rsp)
0000000000000007	movl	%edi,%eax
0000000000000009	incl	%eax
000000000000000b	movl	%eax,(%rsp)
000000000000000e	movl	%eax,0x04(%rsp)
0000000000000012	addq	$0x08,%rsp
0000000000000016	ret

llvm-svn: 100492
 2010-04-05 23:15:42 +00:00
Chris Lattner
5b4c7591ac add .o file writing for inline asm in llc. Here's a silly 
demo:

$ clang asm.c -S -o - -emit-llvm | llc -filetype=obj -o t.o
<inline asm>:1:2: error: unrecognized instruction
	abc incl    %eax
	^
LLVM ERROR: Error parsing inline asm

Only problem seems to be that the parser finalizes OutStreamer 
at the end of the first inline asm, which isn't what we want.
For example:

$ cat asm.c
int foo(int X) {
 __asm__ ("incl    %0" : "+r" (X));
 return X;
}
$ clang asm.c -S -o - -emit-llvm | llc
...
	subq	$8, %rsp
	movl	%edi, (%rsp)
	movl	%edi, %eax
	## InlineAsm Start
	incl    %eax
	## InlineAsm End
	movl	%eax, (%rsp)
	movl	%eax, 4(%rsp)
	addq	$8, %rsp
	ret
$ clang asm.c -S -o - -emit-llvm | llc -filetype=obj -o t.o
$ otool -tv t.o
t.o:
(__TEXT,__text) section
_foo:
0000000000000000	subq	$0x08,%rsp
0000000000000004	movl	%edi,(%rsp)
0000000000000007	movl	%edi,%eax
0000000000000009	incl	%eax
$ 

don't stop at inc!

llvm-svn: 100491
 2010-04-05 23:11:24 +00:00
Chris Lattner
c1d1549692 add a comment. 
llvm-svn: 100490
 2010-04-05 23:07:42 +00:00
Chris Lattner
8b9eaae8d5 tidy #includes. 
llvm-svn: 100489
 2010-04-05 23:07:18 +00:00
Bill Wendling
bf50ddf6ac Output floating point representations in DWARF format. This is done by outputing 
the FP encoding directly as a hex representation.

llvm-svn: 100487
 2010-04-05 22:59:21 +00:00
Chris Lattner
cf8b0d4228 update unit test for api change. 
llvm-svn: 100486
 2010-04-05 22:49:48 +00:00