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Author SHA1 Message Date
Evan Cheng
d694e78e36 movsd and movq do not require 16-byte alignment. This fixes vec_set-5.ll on Linux. 
llvm-svn: 51327
 2008-05-20 18:24:47 +00:00
Chris Lattner
02cace1d88 "The two generated files in the AsmParser.vcproj are pointing to the 
wrong directory, this is the patch to fix it (also attached)."

Patch by 'OvermindDL1'

llvm-svn: 51323
 2008-05-20 17:27:57 +00:00
Matthijs Kooijman
bfd128375e Clarify the testing documentation a bit and solve two HTML validator warnings. 
llvm-svn: 51313
 2008-05-20 10:28:55 +00:00
Evan Cheng
55e3957c96 More local spiller complexity! 
If local spiller optimization turns some instruction into an identity copy, it will be removed. If the output register happens to be dead (and source is obviously killed), transfer the kill / dead information to last use / def in the same MBB.

llvm-svn: 51306
 2008-05-20 08:13:21 +00:00
Evan Cheng
408425f0e0 Don't spill dead def. 
llvm-svn: 51305
 2008-05-20 08:10:37 +00:00
Matthijs Kooijman
9247675761 Fix typo. 
llvm-svn: 51303
 2008-05-20 07:26:45 +00:00
Chris Lattner
b387fd90fc Teach instcombine 4 new xforms: 
(add (sext x), cst) --> (sext (add x, cst'))
  (add (sext x), (sext y)) --> (sext (add int x, y))
  (add double (sitofp x), fpcst) --> (sitofp (add int x, intcst))
  (add double (sitofp x), (sitofp y)) --> (sitofp (add int x, y))

This generally reduces conversions.  For example MiBench/telecomm-gsm
gets these simplifications:

HACK2: 	%tmp67.i142.i.i = sext i16 %tmp6.i141.i.i to i32		; <i32> [#uses=1]
	%tmp23.i139.i.i = sext i16 %tmp2.i138.i.i to i32		; <i32> [#uses=1]
	%tmp8.i143.i.i = add i32 %tmp67.i142.i.i, %tmp23.i139.i.i		; <i32> [#uses=3]
HACK2: 	%tmp67.i121.i.i = sext i16 %tmp6.i120.i.i to i32		; <i32> [#uses=1]
	%tmp23.i118.i.i = sext i16 %tmp2.i117.i.i to i32		; <i32> [#uses=1]
	%tmp8.i122.i.i = add i32 %tmp67.i121.i.i, %tmp23.i118.i.i		; <i32> [#uses=3]
HACK2: 	%tmp67.i.i190.i = sext i16 %tmp6.i.i189.i to i32		; <i32> [#uses=1]
	%tmp23.i.i187.i = sext i16 %tmp2.i.i186.i to i32		; <i32> [#uses=1]
	%tmp8.i.i191.i = add i32 %tmp67.i.i190.i, %tmp23.i.i187.i		; <i32> [#uses=3]
HACK2: 	%tmp67.i173.i.i.i = sext i16 %tmp6.i172.i.i.i to i32		; <i32> [#uses=1]
	%tmp23.i170.i.i.i = sext i16 %tmp2.i169.i.i.i to i32		; <i32> [#uses=1]
	%tmp8.i174.i.i.i = add i32 %tmp67.i173.i.i.i, %tmp23.i170.i.i.i		; <i32> [#uses=3]
HACK2: 	%tmp67.i152.i.i.i = sext i16 %tmp6.i151.i.i.i to i32		; <i32> [#uses=1]
	%tmp23.i149.i.i.i = sext i16 %tmp2.i148.i.i.i to i32		; <i32> [#uses=1]
	%tmp8.i153.i.i.i = add i32 %tmp67.i152.i.i.i, %tmp23.i149.i.i.i		; <i32> [#uses=3]
HACK2: 	%tmp67.i.i.i.i = sext i16 %tmp6.i.i.i.i to i32		; <i32> [#uses=1]
	%tmp23.i.i5.i.i = sext i16 %tmp2.i.i.i.i to i32		; <i32> [#uses=1]
	%tmp8.i.i7.i.i = add i32 %tmp67.i.i.i.i, %tmp23.i.i5.i.i		; <i32> [#uses=3]


This also fixes a bug in ComputeNumSignBits handling select and
makes it more aggressive with and/or.

llvm-svn: 51302
 2008-05-20 05:46:13 +00:00
Chris Lattner
323a985507 fix two issues Neil noticed, thanks! 
llvm-svn: 51296
 2008-05-20 03:50:52 +00:00
Chris Lattner
5c3ce73720 Add a bool to isEdgeFeasible that tells it whether to treat unknown 
value as undef or untracked.

llvm-svn: 51295
 2008-05-20 03:39:39 +00:00
Dan Gohman
e6bb320822 Fix ExecutionEngine's constant code to work properly when structs and arrays 
will become first-class types.

llvm-svn: 51293
 2008-05-20 03:20:09 +00:00
Dan Gohman
c2bd39553c Refine the fix in r51169 to only apply when the operand val being 
replaced is a PHI. This prevents it from inserting uses before defs
in the case that it isn't a PHI and it depends on other instructions
later in the block. This fixes the 447.dealII regression on x86-64.

llvm-svn: 51292
 2008-05-20 03:01:48 +00:00
Evan Cheng
e95fc3e83d runOnMachineFunction should set IsPIC because relocation model may have been changed. 
llvm-svn: 51291
 2008-05-20 01:56:59 +00:00
Dan Gohman
3f6b53dba0 Make AssociativeOpt static. 
llvm-svn: 51290
 2008-05-20 01:14:05 +00:00
Dan Gohman
7681889f75 Run vortex-bug as x86-64, which is what the original bug was triggered on. 
llvm-svn: 51289
 2008-05-20 00:54:39 +00:00
Steve Naroff
a1c616ae1d Silence a warning about "*/" outside a comment. 
llvm-svn: 51287
 2008-05-20 00:46:15 +00:00
Devang Patel
9f385d71c2 Do not erase induction variable increment if it is used outside the loop. 
llvm-svn: 51280
 2008-05-19 22:23:55 +00:00
Dan Gohman
2d2351f037 Add a ComputeNumSignBits function for use by instcombine, based on the 
code in SelectionDAG.

llvm-svn: 51279
 2008-05-19 22:14:15 +00:00
Dale Johannesen
e6977495aa Handle quoted names when constructing $stub's, 
$non_lazy_ptr's and $lazy_ptr's.

llvm-svn: 51277
 2008-05-19 21:38:18 +00:00
Chris Lattner
859485412b switch to Type::getFPMantissaWidth instead of reinventing it. 
llvm-svn: 51275
 2008-05-19 21:17:23 +00:00
Chris Lattner
f6ed78c9c7 add a helper method. 
llvm-svn: 51274
 2008-05-19 21:17:01 +00:00
Chris Lattner
92599bcc72 minor cleanups, teach instcombine that sitofp/uitofp cannot 
produce a negative zero.

llvm-svn: 51272
 2008-05-19 20:27:56 +00:00
Chris Lattner
63c384df1e convert fptosi(sitofp x) -> x if the fp value has enough bits in its mantissa 
to accurately represent the integer.  This triggers 9 times in 471.omnetpp,
though 8 of those seem to be inlined from the same place.

llvm-svn: 51271
 2008-05-19 20:25:04 +00:00
Chris Lattner
1435b94f62 Fold FP comparisons where one operand is converted from an integer 
type and the other operand is a constant into integer comparisons.
This happens surprisingly frequently (e.g. 10 times in 471.omnetpp),
which are things like this:

	%tmp8283 = sitofp i32 %tmp82 to double	
	%tmp1013 = fcmp ult double %tmp8283, 0.0

Clearly comparing tmp82 against i32 0 is cheaper here.

this also triggers 8 times in gobmk, including this one:

	%tmp375376 = sitofp i32 %tmp375 to double
	%tmp377 = fcmp ogt double %tmp375376, 8.150000e+01

which is comparing an integer against 81.5 :).

llvm-svn: 51268
 2008-05-19 20:18:56 +00:00
Bill Wendling
1866fa680f Remove warnings about unused parameters and shadowed variables. 
llvm-svn: 51266
 2008-05-19 20:15:12 +00:00
Chris Lattner
ad02ff166e remove debug output 
llvm-svn: 51264
 2008-05-19 20:03:53 +00:00
Chris Lattner
510a6b249c be more aggressive about transforming add -> or when the operands have no 
intersecting bits.  This triggers all over the place, for example in lencode,
with adds of stuff like:

	%tmp580 = mul i32 %tmp579, 2	
	%tmp582 = and i32 %b8, 1
and

	%tmp28 = shl i32 %abs.i, 1		
	%sign.0 = select i1 %tmp23, i32 1, i32 0
and
	%tmp344 = shl i32 %tmp343, 2	
	%tmp346 = and i32 %tmp96, 3

etc.

llvm-svn: 51263
 2008-05-19 20:01:56 +00:00
Duncan Sands
1c11cba7ec Check that always_inline functions are inlined 
whether or not -funit-at-a-time is used (C++ uses
it, C doesn't) - it was working before only when
not doing unit-at-a-time.

llvm-svn: 51258
 2008-05-19 16:44:44 +00:00
Duncan Sands
7b84c36791 Fix PR2341 - when the length is 4 use an i32 not 
an i16!  Cleaned up trailing whitespace while there.

llvm-svn: 51240
 2008-05-19 09:27:24 +00:00
Gordon Henriksen
27c184c385 Reverting accidental commit of generated files. 
llvm-svn: 51239
 2008-05-19 05:57:12 +00:00
Gordon Henriksen
a1f7004038 Remove a duplicative binding. Patch by Mahadevan R. 
llvm-svn: 51238
 2008-05-19 05:47:10 +00:00
Ted Kremenek
ec40faf7c5 Update VS project files (VS 2005) so that VS builds with TOT LLVM/clang. 
Patch by Dmitri Makarov!

llvm-svn: 51237
 2008-05-19 02:49:39 +00:00
Bill Wendling
aa7af44a55 Grammar fix. 
llvm-svn: 51236
 2008-05-19 00:25:01 +00:00
Bill Wendling
739223532a Delete module. 
llvm-svn: 51235
 2008-05-19 00:20:45 +00:00
Bill Wendling
09ad5a52e1 Convert non-ASCII apostrophes into ASCII apostrophes. 
llvm-svn: 51234
 2008-05-19 00:19:02 +00:00
Bill Wendling
d646984f41 Delete the Module object. 
llvm-svn: 51233
 2008-05-19 00:15:33 +00:00
Bill Wendling
3cc7be88e8 s/insure/ensure/ 
llvm-svn: 51232
 2008-05-19 00:05:30 +00:00
Nate Begeman
fdedac42c7 Teach GVN to not assert on vector comparisons 
llvm-svn: 51230
 2008-05-18 19:49:05 +00:00
Nate Begeman
f924b6e0d9 Fix a backwards check in the JIT symbol table code 
llvm-svn: 51229
 2008-05-18 19:09:10 +00:00
Chris Lattner
0c5b5c08e1 add missing #include. 
llvm-svn: 51227
 2008-05-18 14:24:58 +00:00
Chris Lattner
8c0f0a0e6c Fix PR2339 
llvm-svn: 51226
 2008-05-18 04:11:26 +00:00
Chris Lattner
8871489ae7 remove empty file? 
llvm-svn: 51225
 2008-05-18 04:10:18 +00:00
Nick Lewycky
46e3a168c0 Revert constant-folding change that will miscompile in some cases. 
llvm-svn: 51223
 2008-05-17 19:00:05 +00:00
Chris Lattner
504c367af9 trip count computation deficiency 
llvm-svn: 51222
 2008-05-17 15:37:38 +00:00
Bill Wendling
568cd9c076 On Darwin, the string header file isn't 64-bit clean. The use of 
"-Wshorten-64-to-32 -Werror" will cause a failure when compiling this complex
program:

#include <string>

class Path {
  mutable std::string path;
public:
  bool operator == (const Path &that) {
    return path == that.path;
  }
};

Using strcmp gets us past this annoying error.

llvm-svn: 51218
 2008-05-17 09:10:40 +00:00
Nick Lewycky
baa90d4eef Unbreak the build. 
llvm-svn: 51217
 2008-05-17 09:05:22 +00:00
Nick Lewycky
1df40102a9 Constant fold inttoptr and ptrtoint. 
llvm-svn: 51216
 2008-05-17 09:03:26 +00:00
Nick Lewycky
6f3744c685 Move isTrueWhenEqual to ICmpInst. 
llvm-svn: 51215
 2008-05-17 07:33:39 +00:00
Dale Johannesen
415dc434d6 Less conservative verison of previous patch, 
suggested by Duncan.

llvm-svn: 51211
 2008-05-16 23:18:52 +00:00
Dale Johannesen
12b968dd1e Add CommonLinkage, in a way that preserves the 
behavior on old .bc files.

llvm-svn: 51210
 2008-05-16 22:46:40 +00:00
Dale Johannesen
5da4b3ee8b Add CommonLinkage to lto (treated same as weak AFAICT) 
and llvm-nm (prints as C).

llvm-svn: 51209
 2008-05-16 22:44:18 +00:00