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26560 Commits

Author SHA1 Message Date
Chris Lattner
70d79bbe85 add a new insertAfter method, patch by Tom Jablin! 
llvm-svn: 62158
 2009-01-13 07:43:51 +00:00
Chris Lattner
50de4f0704 make -march=cpp handle the nocapture attribute, make it assert if it 
sees attributes it doesn't know.

llvm-svn: 62155
 2009-01-13 07:22:22 +00:00
Evan Cheng
6fd76e738c Un-tabify. 
llvm-svn: 62151
 2009-01-13 06:08:37 +00:00
Evan Cheng
a706a020bc FIX llvm-gcc bootstrap on x86_64 linux. If a virtual register is copied to a physical register, it's not necessarily defined by a copy. We have to watch out it doesn't clobber any sub-register that might be live during its live interval. If the live interval crosses a basic block, then it's not safe to check with the less conservative check (by scanning uses and defs) because it's possible a sub-register might be live out of the block. 
llvm-svn: 62144
 2009-01-13 03:57:45 +00:00
Devang Patel
eed0505ed8 Use DebugInfo interface to lower dbg_* intrinsics. 
llvm-svn: 62127
 2009-01-13 00:35:13 +00:00
Devang Patel
13a43a3789 Start using DebugInfo API to emit debug info. 
llvm-svn: 62125
 2009-01-13 00:20:51 +00:00
Devang Patel
68ef0f4ecb Emit debug info, only if at least one compile unit is seen. 
llvm-svn: 62118
 2009-01-12 23:09:42 +00:00
Devang Patel
4379343f92 If multiple compile units are seen then emit them independently. In other words, do not force all DIEs into first, whatever it is, compile unit. 
Note, multiple compile unit support is not well tested (it did not work correctly until now anyway.)

llvm-svn: 62116
 2009-01-12 23:05:55 +00:00
Devang Patel
283436f4b9 Avoid cast<>, use light weith wrapper directly. 
llvm-svn: 62115
 2009-01-12 22:58:14 +00:00
Devang Patel
261d3cb2af Use SrcLineInfo from DwarfWriter. The MachineModuleInfo copy will disappear soon. 
llvm-svn: 62114
 2009-01-12 22:54:42 +00:00
Dale Johannesen
12bb54e183 Enable recursive inlining. Reduce inlining threshold 
back to 200; 400 seems to be too high, loses more than
it gains.

llvm-svn: 62107
 2009-01-12 22:11:50 +00:00
Devang Patel
78077adf03 Add classof() methods to support isa<> and other related facilities. 
llvm-svn: 62104
 2009-01-12 21:38:43 +00:00
Duncan Sands
bcdbfb63dc Rename getABITypeSize to getTypePaddedSize, as 
suggested by Chris.

llvm-svn: 62099
 2009-01-12 20:38:59 +00:00
Devang Patel
27f9c78c56 Add DwarfWriter interface to mainipulate source location info. 
( May be this info should be directly handled by the dwarf writer ? )

llvm-svn: 62096
 2009-01-12 19:17:34 +00:00
Devang Patel
149d412a0e Clear debug info at the end of function processing. 
llvm-svn: 62092
 2009-01-12 18:48:36 +00:00
Devang Patel
89a815941c There is no need to maintain separate labelid list in the dwarf writer. It is not a good idea. 
llvm-svn: 62090
 2009-01-12 18:41:00 +00:00
Rafael Espindola
2fed481c49 Remove some dead code from the days llvm had type planes. 
There might be more dead code, but with llvm-gcc bootstrap broken on linux x86-64 it is had to test :-(

llvm-svn: 62088
 2009-01-12 15:53:25 +00:00
Evan Cheng
5e17ea36e1 Fix PR3241: Currently EmitCopyFromReg emits a copy from the physical register to a virtual register unless it requires an expensive cross class copy. That means we are only treating "expensive to copy" register dependency as physical register dependency. 
Also future proof the scheduler to handle "normal" physical register dependencies. The code is not exercised yet.

llvm-svn: 62074
 2009-01-12 03:19:55 +00:00
Owen Anderson
e6451daef4 More two-address fixes. This gets lua working with join-creation enabled. 
llvm-svn: 62073
 2009-01-12 03:10:40 +00:00
Chris Lattner
ed4ee47a0d make tblgen autogenerate the nocapture intrinsics for 
llvm.memcpy/memset/memmove.  This allows removal of some 
hackish code from basicaa.

llvm-svn: 62071
 2009-01-12 02:41:37 +00:00
Chris Lattner
a844423a1b make tblgen emit the entire Intrinsic::getAttributes method, 
not a random piece of it.  No functionality change.

llvm-svn: 62066
 2009-01-12 01:18:58 +00:00
Dale Johannesen
831246cdbd Increase default inlining aggressiveness in partial 
compensation for turning off gcc's inliner.  This gets
us closer to the amount of inlining we were getting before.
It is not a win on everything, of course, but seems to
gain overall.

llvm-svn: 62058
 2009-01-11 23:11:00 +00:00
Gabor Greif
20c5fd503d simplify CallSite helper class to not consult the Instruction's 
opcode on each delegation.
Instead the information is cached on construction and the cached flag used thereafter.
Introduced two predicates: isCall and isInvoke.

llvm-svn: 62055
 2009-01-11 22:33:22 +00:00
Chris Lattner
da5c0c85dc Duncan is nervous about undefinedness of % with negatives. I'm 
not thrilled about 64-bit % in general, so rewrite to use * instead.

llvm-svn: 62047
 2009-01-11 20:41:36 +00:00
Chris Lattner
d1e5994f90 do not generated GEPs into vectors where they don't already exist. 
We should treat vectors as atomic types, not like arrays.

llvm-svn: 62046
 2009-01-11 20:23:52 +00:00
Chris Lattner
d2011c4015 Make a couple of cleanups to the instcombine bitcast/gep 
canonicalization transform based on duncan's comments:

1) improve the comment about %.
2) within our index loop make sure the offset stays 
   within the *type size*, instead of within the *abi size*.
   This allows us to reason explicitly about landing in tail
   padding and means that issues like non-zero offsets into
   [0 x foo] types don't occur anymore.

llvm-svn: 62045
 2009-01-11 20:15:20 +00:00
Nick Lewycky
4d1c04a4ea Use the spiffy new getAlignmentFromAttrs function. 
llvm-svn: 62039
 2009-01-11 17:02:06 +00:00
Evan Cheng
e280fcfbbc CheckForPhysRegDependency should not return copy cost. It's not used. No functionality change. 
llvm-svn: 62036
 2009-01-11 08:53:35 +00:00
Evan Cheng
ce292ad389 80 col violation. 
llvm-svn: 62024
 2009-01-10 03:33:22 +00:00
Devang Patel
a350457725 Reduce initial small vector sizes. 
llvm-svn: 62023
 2009-01-10 02:42:49 +00:00
Devang Patel
77332761ef Fix thinko. Create parent scope if parent descriptor is *not* null. 
llvm-svn: 62022
 2009-01-10 02:34:18 +00:00
Evan Cheng
411c48b7d2 Duplicated node may produce a non-physical register def. 
llvm-svn: 62015
 2009-01-09 22:44:02 +00:00
Evan Cheng
7a918ea197 Minor debug output tweak. 
llvm-svn: 62005
 2009-01-09 20:42:34 +00:00
Devang Patel
7fd7643d23 Request DwarfWriter. This will be used to handle dbg_* intrinsics. 
llvm-svn: 61999
 2009-01-09 19:11:50 +00:00
Chris Lattner
0030a3f5d4 fix typo Duncan noticed. 
llvm-svn: 61997
 2009-01-09 18:31:39 +00:00
Chris Lattner
1219b4e6bc Fix PR3304 
llvm-svn: 61995
 2009-01-09 18:18:43 +00:00
Misha Brukman
71c7e40966 Removed trailing whitespace from Makefiles. 
llvm-svn: 61991
 2009-01-09 16:44:42 +00:00
Chris Lattner
660c094906 Implement rdar://6480391, extending of equality icmp's to avoid a truncation. 
I noticed this in the code compiled for a routine using std::map, which produced
this code:
	%25 = tail call i32 @memcmp(i8* %24, i8* %23, i32 6) nounwind readonly
	%.lobit.i = lshr i32 %25, 31		; <i32> [#uses=1]
	%tmp.i = trunc i32 %.lobit.i to i8		; <i8> [#uses=1]
	%toBool = icmp eq i8 %tmp.i, 0		; <i1> [#uses=1]
	br i1 %toBool, label %bb3, label %bb4
which compiled to:

	call	L_memcmp$stub
	shrl	$31, %eax
	testb	%al, %al
	jne	LBB1_11	## 

with this change, we compile it to:

	call	L_memcmp$stub
	testl	%eax, %eax
	js	LBB1_11

This triggers all the time in common code, with patters like this:

	%169 = and i32 %ply, 1		; <i32> [#uses=1]
	%170 = trunc i32 %169 to i8		; <i8> [#uses=1]
	%toBool = icmp ne i8 %170, 0		; <i1> [#uses=1]

 	%7 = lshr i32 %6, 24		; <i32> [#uses=1]
	%9 = trunc i32 %7 to i8		; <i8> [#uses=1]
	%10 = icmp ne i8 %9, 0		; <i1> [#uses=1]

etc

llvm-svn: 61985
 2009-01-09 07:47:06 +00:00
Chris Lattner
1ce1f9e7cd Remove some old code that looks like a remanant from signed-types days. 
llvm-svn: 61984
 2009-01-09 07:10:58 +00:00
Chris Lattner
6140ea4f18 Fix PR3298, a crash in Jump Threading. Apparently even 
jump threading can have bugs, who knew? ;-)

llvm-svn: 61983
 2009-01-09 06:08:12 +00:00
Chris Lattner
5ce930d116 Fix part 3/2 of PR3290, making instcombine zap (gep(bitcast)) when possible. 
llvm-svn: 61980
 2009-01-09 05:44:56 +00:00
Chris Lattner
0e8e8e4926 move some code, check to see if the input to the GEP is a bitcast 
(which is constant time and cheap) before checking hasAllZeroIndices.

llvm-svn: 61976
 2009-01-09 04:53:57 +00:00
Dan Gohman
a487b137a8 Add load-folding table entries for MOVDQA. 
llvm-svn: 61972
 2009-01-09 02:40:34 +00:00
Dan Gohman
0e86745357 Whitespace and other minor adjustments to make SSE instructions have 
the same formatting as their corresponding SSE2 instructions, for
consistency.

llvm-svn: 61971
 2009-01-09 02:27:34 +00:00
Dale Johannesen
eb1316a896 Adjustments to last patch based on review. 
llvm-svn: 61969
 2009-01-09 01:30:11 +00:00
Dan Gohman
ff89414349 61949 accidentally introduced an escaped newline. Fix this by making 
the comment a little more verbose.

llvm-svn: 61959
 2009-01-08 23:51:48 +00:00
Devang Patel
747d4b38ad Convert DwarfWriter into a pass. 
Now Users request DwarfWriter through getAnalysisUsage() instead of creating an instance of DwarfWriter object directly.

llvm-svn: 61955
 2009-01-08 23:40:34 +00:00
Dan Gohman
321b716d84 Delete unnecessary parens around return values. 
llvm-svn: 61950
 2009-01-08 22:19:34 +00:00
Dan Gohman
88a0d4277d Fix the comment for lltok::backslash. 
llvm-svn: 61949
 2009-01-08 22:18:13 +00:00
Dan Gohman
831bc48415 Fix the path to llvm/Assembly/Parser.h in a comment. 
llvm-svn: 61948
 2009-01-08 22:17:05 +00:00