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13222 Commits

Author SHA1 Message Date
Evan Cheng
54de3ea1ca Code refactoring. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92694 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 06:52:31 +00:00
David Greene
9759c305c2 Change errs() to dbgs(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92655 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 01:29:36 +00:00
David Greene
f5c95a6ee2 Change errs() to dbgs(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92654 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 01:29:34 +00:00
David Greene
5b90132332 Change errs() to dbgs(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92653 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 01:29:29 +00:00
David Greene
92f164416b Change errs() to dbgs(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92651 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 01:29:23 +00:00
David Greene
bd7b8458d1 Change errs() to dbgs(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92648 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 01:29:13 +00:00
David Greene
d7f4f24d3f Change errs() to dbgs(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92647 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 01:29:08 +00:00
David Greene
c719d5f621 Change errs() to dbgs(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92644 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 01:28:53 +00:00
Dan Gohman
eeb3a00b84 Change SelectCode's argument from SDValue to SDNode *, to make it more 
clear what information these functions are actually using.

This is also a micro-optimization, as passing a SDNode * around is
simpler than passing a { SDNode *, int } by value or reference.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92564 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 01:24:18 +00:00
Devang Patel
44a29e066a Remove dead debug info intrinsics. 
Intrinsic::dbg_stoppoint
 Intrinsic::dbg_region_start 
 Intrinsic::dbg_region_end 
 Intrinsic::dbg_func_start
AutoUpgrade simply ignores these intrinsics now.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92557 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 01:10:40 +00:00
Dan Gohman
4361bbfd0e Remove the SDNPAssociative properties for the flags-producing 
operators. Eli pointed out that it's not obvious what that
would mean.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92555 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 00:44:20 +00:00
Evan Cheng
760d1945bc Perform this folding as a target specific dag combine: 
(or (x << c) | (y >> (64 - c))) ==> (shld64 x, y, c)

The isel patterns may not catch all the cases if general dag combine has reduced width of source operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92513 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-04 21:22:48 +00:00
Dan Gohman
3c02c22ef9 Remove some README.txt entries which are now implemented. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92511 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-04 20:55:05 +00:00
Dan Gohman
3cc4a307a8 A use by operand 1 or 2 of a SELECT is not a FLAGS use. This 
lets the test-elimination work in more conditional-move cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92508 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-04 20:52:50 +00:00
Dan Gohman
9ef51c8011 Flags-producing add, and, or, etc. have the same profibility 
rules as normal add, and, or, etc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92507 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-04 20:51:50 +00:00
Dan Gohman
43ffe6769a Add SDNPCommutative and SDNPAssociative to several X86 target nodes. 
This lets isel fold loads into them in more cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92506 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-04 20:51:05 +00:00
Anton Korobeynikov
39784e158a Fix invalid chain folding for memory variant of sdiv / udiv 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92472 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-04 10:31:54 +00:00
Chris Lattner
e4412c1f0b implement an instcombine xform needed by clang's codegen 
on the example in PR4216.  This doesn't trigger in the testsuite,
so I'd really appreciate someone scrutinizing the logic for
correctness.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92458 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-04 06:03:59 +00:00
Chris Lattner
f031e8ad01 Teach codegen to lower llvm.powi to an efficient (but not optimal) 
multiply sequence when the power is a constant integer.  Before, our
codegen for std::pow(.., int) always turned into a libcall, which was
really inefficient.

This should also make many gfortran programs happier I'd imagine.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92388 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-01 03:32:16 +00:00
Chris Lattner
398ffba75f update this. To take the next step, llvm.powi should be generalized to work 
on integers as well and codegen should lower them to branch trees.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92382 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-01 01:29:26 +00:00
Benjamin Kramer
7f1a560b2f Replace a few more SmallVectors with arrays. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92265 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-29 16:57:26 +00:00
Sanjiv Gupta
223497e1ef Extern declaration for unordered.f32 libcall was not being emitted. Fixed that. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92242 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-29 03:24:34 +00:00
Chris Lattner
43469b6957 move debug info stuff out of line, allowing two #includes 
to go away from IRBuilder.h


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92230 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-28 21:45:40 +00:00
Benjamin Kramer
e55b15fa47 Add missing include (for inline PATypeHolder::get). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92222 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-28 12:27:56 +00:00
Sanjiv Gupta
917283a418 Fixed llc crash for zext (i1 -> i8) loads. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92201 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-28 04:53:24 +00:00
Sanjiv Gupta
8f17a36d31 Allow targets to specify the return type of libcalls that are generated for floating point comparisons, rather than hard-coding them as i32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92199 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-28 02:40:33 +00:00
Bill Wendling
202249a698 Mark variable used by 'assert' as 'unused'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92198 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-28 02:07:00 +00:00
Bill Wendling
57f08adbb3 Remove dead variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92197 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-28 02:05:36 +00:00
Bill Wendling
53df23cff4 Remove dead variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92196 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-28 02:04:53 +00:00
Bill Wendling
cc690b694a Remove dead variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92195 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-28 02:01:06 +00:00
Bill Wendling
ab58f13839 Remove dead variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92194 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-28 02:00:30 +00:00
Bill Wendling
9bf50f45e7 Remove dead variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92193 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-28 01:57:39 +00:00
Bill Wendling
3ef10858de Remove dead variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92186 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-28 01:42:12 +00:00
Bill Wendling
67f9dc2559 Remove dead variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92185 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-28 01:41:12 +00:00
Bill Wendling
c41b638d4a Remove dead variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92184 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-28 01:36:02 +00:00
Bill Wendling
ce90c245ff Remove dead store. The initial value was never used, but always overridden. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92182 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-28 01:31:11 +00:00
Bill Wendling
079b6f5ee5 Add an "ATTRIBUTE_UNUSED" macro (and use it). It's for variables which are 
mainly used in debugging and/or assert situations. It should make the compiler
and the static analyzer stop nagging us about them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92181 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-28 01:20:29 +00:00
Eli Friedman
ba7b1c4db4 PR5886: Make sure IMUL32m is marked as setting EFLAGS, so scheduling doesn't 
do illegal stuff around it.  No testcase because the issue is very fragile.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92167 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-26 20:08:30 +00:00
Jakob Stoklund Olesen
1dbc38f52e Move kill flags when the same register occurs more than once in a sequence. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92058 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 21:34:03 +00:00
Jakob Stoklund Olesen
158a2263bd Handle undef operands properly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92054 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 21:28:42 +00:00
Jakob Stoklund Olesen
6528966eae Make insert position available to MergeOpsUpdate. 
Rearrange arguments.
No functional changes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92053 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 21:28:37 +00:00
Jakob Stoklund Olesen
3063aed8d2 Perform kill flag calculations in new method. No functional changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92052 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 21:28:31 +00:00
Jakob Stoklund Olesen
f8e33e513f Move repeated code to a new method. No functional change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92051 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 21:28:23 +00:00
Sanjiv Gupta
76d2f9a4db Reapply 91904. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91996 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 11:19:09 +00:00
Sanjiv Gupta
7fb0ead091 Added missing patterns for subtract instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91995 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 10:56:02 +00:00
Sanjiv Gupta
6d48855a56 Reverting back 91904. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91993 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 09:46:01 +00:00
Chris Lattner
ac105c4dca really remove the instruction, don't just comment it out 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91976 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 01:46:40 +00:00
Chris Lattner
9e3238303c completely eliminate the MOV16r0 'instruction'. The only 
interesting part of this is the divrem changes, which are
already tested by CodeGen/X86/divrem.ll.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91975 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 01:45:04 +00:00
Sean Callanan
5227cc89f4 More fixes for Visual C++. Replaced several very small 
static inline functions with macros.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91973 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 01:32:29 +00:00
Chris Lattner
6a38182471 stop pattern matching 16-bit zero's of a register to MOV16r0, 
instead use the appropriate subreggy thing.  This generates identical
code on some large apps (thanks to Evan's cross class coalescing
stuff he did back in july).  This means that MOV16r0 can go away
completely in the future soon.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91972 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 01:30:26 +00:00