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Author SHA1 Message Date
Mon P Wang
e88909ba72 Update langref for memcpy, memmove, and memset 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100611 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 06:35:53 +00:00
Evan Cheng
5b463905be Add comments for missed opportunities. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100610 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 06:00:33 +00:00
Evan Cheng
348856e56a Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100609 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 05:59:12 +00:00
Chris Lattner
cf9a415182 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100607 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 05:38:05 +00:00
Chris Lattner
fee455ea6a remove another magic number. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100606 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 05:27:36 +00:00
Chris Lattner
decc267151 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100605 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 05:20:54 +00:00
Chris Lattner
4ba9d9b67b 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. 



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100602 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 04:08:57 +00:00
Sanjiv Gupta
d49baefaad Fix memory leaks for external symbol name strings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100601 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 03:36:01 +00:00
John McCall
b1fb4497b0 Clean up some signedness oddities in this code noticed by clang. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100599 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 01:49:15 +00:00
Dale Johannesen
343b42e428 Move printing of target-indepedent DEBUG_VALUE comments 
into AsmPrinter.  Target-dependent form is still generated
by FastISel and still handled in X86 code.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100596 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 01:15:14 +00:00
Evan Cheng
d94671a25e Post regalloc LICM. Work in progress. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100592 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 00:41:17 +00:00
Devang Patel
5f0940002a 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. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100586 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 23:53:48 +00:00
Jakob Stoklund Olesen
e7b744fe64 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100584 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 23:44:44 +00:00
John McCall
795ee9dd1e 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100581 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 23:35:53 +00:00
Dale Johannesen
49d915bb9a Revert 100573, it's causing some testsuite problems. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100578 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 22:45:26 +00:00
Dale Johannesen
0a580d30e0 Move printing of DEBUG_VALUE comments to target-independent place. 
There is probably a more elegant way to do this.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100573 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 22:21:07 +00:00
Bob Wilson
d0910c4534 Expand SELECT and SELECT_CC for NEON vector types. 
Radar 7770501.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100568 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 22:02:24 +00:00
Dale Johannesen
c4d7b14a92 Allow for the possibility that a debug-value points 
to a SDNode that didn't have code generated for it.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100566 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 21:59:56 +00:00
Stuart Hastings
639336e0bd Reverting 100530 & 100531 due to regressions in the GDB test suite. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100563 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 21:38:29 +00:00
Jim Grosbach
fa85eb6237 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100559 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 20:26:37 +00:00
Bill Wendling
aa59c88a6e Make this hack more specific to the Apple gcc 4.2 non-LLVM compiler. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100556 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 20:07:21 +00:00
Jakob Stoklund Olesen
8ba1c6ab87 Don't try to collapse DomainValues onto an incompatible SSE domain. 
This fixes the Bullet regression on i386/nocona.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100553 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 19:48:56 +00:00
Gabor Greif
8a8a4350db performance: get rid of repeated dereferencing of use_iterator by caching its result 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100550 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 19:32:30 +00:00
Gabor Greif
6ce02b5939 make more two predicates constant 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100549 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 19:24:18 +00:00
Gabor Greif
a01d6db569 performance: get rid of repeated dereferencing of use_iterator by caching its result 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100547 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 19:14:05 +00:00
Gabor Greif
0b520db74d const-ize predicate ValueIsOnlyUsedLocallyOrStoredToOneGlobal 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100546 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 18:58:22 +00:00
Gabor Greif
fa1f5c22c5 use CallSite to access calls vs. invokes uniformly 
and remove assumptions about operand order

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100544 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 18:45:08 +00:00
Chris Lattner
779804353d this accessor doesn't need to copy the string. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100542 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 18:37:22 +00:00
Chris Lattner
b019491b8d 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100538 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 18:06:18 +00:00
Evan Cheng
98116f99b6 Code clean up. Move includes from VirtRegRewriter.h to VirtRegRewriter.cpp. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100532 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 17:19:55 +00:00
Stuart Hastings
983327b351 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100530 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 17:19:32 +00:00
John Criswell
f77cdabb58 Adding SAFECode to the list of projects that work with LLVM 2.7. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100525 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 14:52:14 +00:00
Mon P Wang
01f0e8561d Remove assert to treat memmove and memset like memcpy 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100521 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 08:27:51 +00:00
Owen Anderson
ffb7312458 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100519 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 04:20:48 +00:00
Jakob Stoklund Olesen
adc6e06ff0 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100517 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 03:12:43 +00:00
Dan Gohman
3d32386992 Add a const qualifier. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100515 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 01:31:12 +00:00
Chris Lattner
885d94143d propagate cookie management out one layer of function calls. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100510 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 00:58:50 +00:00
Chris Lattner
6eb7806a5f report errors through LLVMContext's inline asm handler if available. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100509 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 00:55:39 +00:00
Chris Lattner
421ccd9892 Give MachineModuleInfo an actual Module*. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100508 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 00:51:52 +00:00
Chris Lattner
42a4ee0a35 give LLVMContext an inline asm diagnostic hook member. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100506 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 00:44:45 +00:00
Devang Patel
f778b57fc5 Remove unnecessary include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100505 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 00:38:32 +00:00
Chris Lattner
214aa8a2cf give the SourceMgr object a cookie. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100504 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 00:33:43 +00:00
Chris Lattner
8f0f480a10 Give llvm::SourceMgr the ability to have a client-specified 
diagnostic handler.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100503 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 00:26:48 +00:00
Douglas Gregor
a03948633a Remove MaybeOwningPtr. We're going to use reference-counting instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100499 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-05 23:53:46 +00:00
Jakob Stoklund Olesen
fc8e1c3635 Properly enable load clustering. 
Operand 2 on a load instruction does not have to be a RegisterSDNode for this to
work.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100497 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-05 23:48:02 +00:00
Evan Cheng
18141eed26 Fix an obvious copy-n-paste bug. It's not known to cause any miscompilation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100494 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-05 23:33:29 +00:00
Chris Lattner
79180e2ef5 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



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100492 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-05 23:15:42 +00:00
Chris Lattner
af632c91a0 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!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100491 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-05 23:11:24 +00:00
Chris Lattner
e072ab8691 add a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100490 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-05 23:07:42 +00:00
Chris Lattner
519466c32f tidy #includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100489 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-05 23:07:18 +00:00