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swift-3-api-guidelines
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11 Commits

Author SHA1 Message Date
Zach Panzarino
e3a4147ac9 Update copyright date 2015-12-31 23:28:40 +00:00
Joe Groff
42c71b7972 Don't mangle directness into type metadata symbols. 
Anywhere we can't directly address type metadata in Swift, we've found we need a function call. Directness isn't useful here.

Swift SVN r32626
 2015-10-12 17:22:40 +00:00
Joe Groff
4182c44cfe Runtime: Provide prefab value witness tables for unowned and weak references. 
Fixes rdar://problem/21315113.

Swift SVN r30291
 2015-07-17 00:09:37 +00:00
Joe Groff
45e9c71b69 Fix paste-o. 
Swift SVN r30127
 2015-07-12 01:06:11 +00:00
Joe Groff
0b54e21629 simd overlay: Use LLVM vector types. 
This brings the David Owens benchmark from http://owensd.io/2015/06/27/performance-xcode7-beta-2.html from parity with simd.h-based C to 3x faster.

Before:

RenderGradient ([UInt32].withUnsafeMutablePointer (SIMD))                 │ 7.035851 │ 6.304739 │ 9.815832 │  1.212 │

After:

RenderGradient ([UInt32].withUnsafeMutablePointer (SIMD))                 │ 2.318357 │ 2.223325 │ 2.697981 │ 0.1490 │

This also addresses rdar://problem/21574425, since Builtin.add_VecNxIntM isn't overflow-checked, and overflow checks really aren't wanted when working with vector types directly.

Reapplying now that Nadav's fixed the ARM64 SelectionDAG issue this exposed before, and Arnold's fixed
yet another SelectionDAG issue exposed after that.

Swift SVN r30006
 2015-07-09 01:20:01 +00:00
Arnold Schwaighofer
8517b7ba08 Revert "Un-XFAIL test on Linux." 
Revert "simd overlay: Use LLVM vector types."

This reverts commit r29922 and r29924.

More arm64 instruction selection errors.

rdar://21703486

Swift SVN r29941
 2015-07-07 16:45:08 +00:00
Joe Groff
9a23fa9040 simd overlay: Use LLVM vector types. 
This brings the David Owens benchmark from http://owensd.io/2015/06/27/performance-xcode7-beta-2.html from parity with simd.h-based C to 3x faster.

Before:

RenderGradient ([UInt32].withUnsafeMutablePointer (SIMD))                 │ 7.035851 │ 6.304739 │ 9.815832 │  1.212 │

After:

RenderGradient ([UInt32].withUnsafeMutablePointer (SIMD))                 │ 2.318357 │ 2.223325 │ 2.697981 │ 0.1490 │

This also addresses rdar://problem/21574425, since Builtin.add_VecNxIntM isn't overflow-checked, and overflow checks really aren't wanted when working with vector types directly.

Reapplying now that Nadav's fixed the ARM64 SelectionDAG issue this exposed before.

Swift SVN r29922
 2015-07-06 22:56:42 +00:00
Joe Groff
e692c87bbf Revert "simd overlay: Use LLVM vector types." 
This reverts commit r29891. It causes an LLVM assertion failure in SelectionDAG on appletvos-arm64.

Swift SVN r29893
 2015-07-02 17:31:34 +00:00
Joe Groff
8103dfb825 simd overlay: Use LLVM vector types. 
This brings the David Owens benchmark from http://owensd.io/2015/06/27/performance-xcode7-beta-2.html from parity with simd.h-based C to 3x faster.

Before:

RenderGradient ([UInt32].withUnsafeMutablePointer (SIMD))                 │ 7.035851 │ 6.304739 │ 9.815832 │  1.212 │

After:

RenderGradient ([UInt32].withUnsafeMutablePointer (SIMD))                 │ 2.318357 │ 2.223325 │ 2.697981 │ 0.1490 │

This also addresses rdar://problem/21574425, since Builtin.add_VecNxIntM isn't overflow-checked, and overflow checks really aren't wanted when working with vector types directly.

Swift SVN r29891
 2015-07-02 17:05:29 +00:00
Slava Pestov
bfc90f1586 Runtime: nuke a bit of dead code 
NFC

Swift SVN r28425
 2015-05-11 18:21:34 +00:00
Dmitri Hrybenko
350248dae5 Reorganize the directory structure under 'stdlib' 
The standard library has grown significantly, and we need a new
directory structure that clearly reflects the role of the APIs, and
allows future growth.

See stdlib/{public,internal,private}/README.txt for more information.

Swift SVN r25876
 2015-03-09 05:26:05 +00:00