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Author SHA1 Message Date
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
Dale Johannesen
6796629611 Weak functions not declared non-throwing might be 
replaced at linktime with a body that throws, even
if the body in this file does not.  Make PruneEH
be more conservative in this case.
g++.dg/eh/weak1.C



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51207 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-16 21:31:48 +00:00
Eric Christopher
0bf7b414ae Add functions to enable adding a single attribute to a function and 
its associated call site.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51204 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-16 20:39:43 +00:00