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Author SHA1 Message Date
Evan Cheng
4479171ba3 Second test is only valid in 32-bit mode. 
llvm-svn: 62084
 2009-01-12 08:05:54 +00:00
Evan Cheng
64eee612cf Test for r62076. 
llvm-svn: 62077
 2009-01-12 03:46:55 +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
c26f718218 add scaffolding to emit argument attributes. No functionality 
change.

llvm-svn: 62067
 2009-01-12 01:27:55 +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
Chris Lattner
c31c59a3be add nocapture attribute to llvm.mem* intrinsics and have tblgen 
parse them.  tblgen doesn't yet do anything with this info though.

llvm-svn: 62065
 2009-01-12 01:12:03 +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
436a7dd98c drats! remove tabs 
llvm-svn: 62056
 2009-01-11 22:39:04 +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
96dacb990b Implement PR3313, and while I'm at it address a very FAQ. 
llvm-svn: 62048
 2009-01-11 20:53:49 +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
Bill Wendling
1c5828d337 Fix naming of file. 
llvm-svn: 62035
 2009-01-11 01:25:51 +00:00
Dan Gohman
473e732586 Fix the example syntax for named sections. 
llvm-svn: 62033
 2009-01-11 00:40:00 +00:00
Evan Cheng
47dfb8c719 This is a dup of pr2659.ll. 
llvm-svn: 62029
 2009-01-10 19:06:32 +00:00
Bill Wendling
d88988a11e Adding unittests for SmallVector. Test by Talin. 
llvm-svn: 62025
 2009-01-10 12:56:31 +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
84945aba0b Add test case from PR2659. 
llvm-svn: 62006
 2009-01-09 21:01:31 +00:00
Evan Cheng
7a918ea197 Minor debug output tweak. 
llvm-svn: 62005
 2009-01-09 20:42:34 +00:00
Misha Brukman
5837493db7 This has been replaced by llvm/utils/lint/cpp_lint.py, which is more 
comprehensive and can support more complex style analysis.

llvm-svn: 62002
 2009-01-09 19:46:41 +00:00
Misha Brukman
da77da48f3 Removed trailing whitespace. 
llvm-svn: 62000
 2009-01-09 19:25:42 +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
Mikhail Glushenkov
f6b520e88a Support llvmc plugins in out-of-tree projects. 
llvm-svn: 61990
 2009-01-09 16:31:01 +00:00
Mikhail Glushenkov
6761ea2676 Add a --check-graph option to llvmc. 
llvm-svn: 61989
 2009-01-09 16:16:27 +00:00
Dan Gohman
a707c0dafe PR2659 was fixed by r61847. Add the testcase as a regression test. 
llvm-svn: 61986
 2009-01-09 08:16:12 +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
c421c547d2 this doesn't depend on the gcc early inliner anymore. 
llvm-svn: 61982
 2009-01-09 05:49:27 +00:00
Chris Lattner
c8cc13c98e PR3290 is now fixed. 
llvm-svn: 61981
 2009-01-09 05:46:19 +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
4166afffa7 this test should not run opt -std-compile-opts, it should run 
just llc.

llvm-svn: 61979
 2009-01-09 05:32:00 +00:00
Chris Lattner
5902eb8ea6 add a helper method. 
llvm-svn: 61978
 2009-01-09 05:27:40 +00:00
Chris Lattner
4e48f0fb7b fit in 80 cols 
llvm-svn: 61977
 2009-01-09 04:58:01 +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