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Author SHA1 Message Date
Matthijs Kooijman
d30020a84e Clarify the testing documentation a bit and solve two HTML validator warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51313 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 10:28:55 +00:00
Evan Cheng
7a0f1851ec 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51306 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 08:13:21 +00:00
Evan Cheng
b0a6f62c9b Don't spill dead def. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51305 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 08:10:37 +00:00
Matthijs Kooijman
6e7b322d36 Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51303 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 07:26:45 +00:00
Chris Lattner
3d28b1b35b 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51302 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 05:46:13 +00:00
Chris Lattner
851627892d fix two issues Neil noticed, thanks! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51296 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 03:50:52 +00:00
Chris Lattner
28a8dbc35f Add a bool to isEdgeFeasible that tells it whether to treat unknown 
value as undef or untracked.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51295 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 03:39:39 +00:00
Dan Gohman
638e378f2c Fix ExecutionEngine's constant code to work properly when structs and arrays 
will become first-class types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51293 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 03:20:09 +00:00
Dan Gohman
ca756ae886 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51292 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 03:01:48 +00:00
Evan Cheng
a125e62117 runOnMachineFunction should set IsPIC because relocation model may have been changed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51291 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 01:56:59 +00:00
Dan Gohman
76d402beb9 Make AssociativeOpt static. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51290 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 01:14:05 +00:00
Dan Gohman
ad2ef21c76 Run vortex-bug as x86-64, which is what the original bug was triggered on. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51289 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 00:54:39 +00:00
Steve Naroff
0008f654bf Silence a warning about "*/" outside a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51287 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 00:46:15 +00:00
Devang Patel
52abbf5d8a Do not erase induction variable increment if it is used outside the loop. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51280 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-19 22:23:55 +00:00
Dan Gohman
45b4e48b18 Add a ComputeNumSignBits function for use by instcombine, based on the 
code in SelectionDAG.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51279 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-19 22:14:15 +00:00
Dale Johannesen
c215b3ef5d Handle quoted names when constructing $stub's, 
$non_lazy_ptr's and $lazy_ptr's.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51277 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-19 21:38:18 +00:00
Chris Lattner
7be1c454c9 switch to Type::getFPMantissaWidth instead of reinventing it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51275 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-19 21:17:23 +00:00
Chris Lattner
f7e1913118 add a helper method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51274 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-19 21:17:01 +00:00
Chris Lattner
0a2d74bd53 minor cleanups, teach instcombine that sitofp/uitofp cannot 
produce a negative zero.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51272 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-19 20:27:56 +00:00
Chris Lattner
0c7a9a04e7 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51271 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-19 20:25:04 +00:00
Chris Lattner
a540623ab1 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 :).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51268 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-19 20:18:56 +00:00
Bill Wendling
13d57320bd Remove warnings about unused parameters and shadowed variables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51266 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-19 20:15:12 +00:00
Chris Lattner
9d60ba9d28 remove debug output 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51264 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-19 20:03:53 +00:00
Chris Lattner
5e0d71877c 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.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51263 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-19 20:01:56 +00:00
Duncan Sands
1e6a575a8f 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51258 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-19 16:44:44 +00:00
Duncan Sands
ec00fcb33d Fix PR2341 - when the length is 4 use an i32 not 
an i16!  Cleaned up trailing whitespace while there.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51240 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-19 09:27:24 +00:00
Gordon Henriksen
e46924bdf7 Reverting accidental commit of generated files. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51239 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-19 05:57:12 +00:00
Gordon Henriksen
83eaae19ad Remove a duplicative binding. Patch by Mahadevan R. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51238 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-19 05:47:10 +00:00
Ted Kremenek
83296ca341 Update VS project files (VS 2005) so that VS builds with TOT LLVM/clang. 
Patch by Dmitri Makarov!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51237 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-19 02:49:39 +00:00
Bill Wendling
40da626d23 Grammar fix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51236 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-19 00:25:01 +00:00
Bill Wendling
6acc8591d6 Delete module. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51235 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-19 00:20:45 +00:00
Bill Wendling
176e8298b5 Convert non-ASCII apostrophes into ASCII apostrophes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51234 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-19 00:19:02 +00:00
Bill Wendling
d63729fee3 Delete the Module object. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51233 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-19 00:15:33 +00:00
Bill Wendling
c8968d99c6 s/insure/ensure/ 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51232 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-19 00:05:30 +00:00
Gabor Greif
3d738ca7ea ignore Output dir 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51231 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-18 22:33:28 +00:00
Nate Begeman
1d6e4091f6 Teach GVN to not assert on vector comparisons 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51230 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-18 19:49:05 +00:00
Nate Begeman
f44085a86a Fix a backwards check in the JIT symbol table code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51229 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-18 19:09:10 +00:00
Chris Lattner
68d2d2f823 add missing #include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51227 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-18 14:24:58 +00:00
Chris Lattner
47c9909a26 Fix PR2339 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51226 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-18 04:11:26 +00:00
Chris Lattner
98f41d2ce7 remove empty file? 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51225 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-18 04:10:18 +00:00
Nick Lewycky
08de1e476c Revert constant-folding change that will miscompile in some cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51223 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-17 19:00:05 +00:00
Chris Lattner
b5783106c4 trip count computation deficiency 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51222 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-17 15:37:38 +00:00
Bill Wendling
fbaa37937f 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51218 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-17 09:10:40 +00:00
Nick Lewycky
6cccce3e58 Unbreak the build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51217 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-17 09:05:22 +00:00
Nick Lewycky
d24ae8703f Constant fold inttoptr and ptrtoint. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51216 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-17 09:03:26 +00:00
Nick Lewycky
fc1efbbfbc Move isTrueWhenEqual to ICmpInst. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51215 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-17 07:33:39 +00:00
Dale Johannesen
1f7580c5eb Less conservative verison of previous patch, 
suggested by Duncan.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51211 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-16 23:18:52 +00:00
Dale Johannesen
6a6f2dda36 Add CommonLinkage, in a way that preserves the 
behavior on old .bc files.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51210 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-16 22:46:40 +00:00
Dale Johannesen
7d5633e907 Add CommonLinkage to lto (treated same as weak AFAICT) 
and llvm-nm (prints as C).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51209 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-16 22:44:18 +00:00
Dale Johannesen
c9b0aa788f Add CommonLinkage. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51208 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-16 22:42:11 +00:00