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Author SHA1 Message Date
Daniel Sanders 52b4ce727a Recommit: [globalisel] Change LLT constructor string into an LLT-based object that knows how to generate it. 
Summary:
This will allow future patches to inspect the details of the LLT. The implementation is now split between
the Support and CodeGen libraries to allow TableGen to use this class without introducing layering concerns.

Thanks to Ahmed Bougacha for finding a reasonable way to avoid the layering issue and providing the version of this patch without that problem.

The problem with the previous commit appears to have been that TableGen was including CodeGen/LowLevelType.h instead of Support/LowLevelTypeImpl.h.

Reviewers: t.p.northover, qcolombet, rovka, aditya_nandakumar, ab, javed.absar

Subscribers: arsenm, nhaehnle, mgorny, dberris, llvm-commits, kristof.beyls

Differential Revision: https://reviews.llvm.org/D30046

llvm-svn: 297241
 2017-03-07 23:20:35 +00:00
Daniel Sanders 8ebec37d26 Revert r297177: Change LLT constructor string into an LLT-based object ... 
More module problems. This time it only showed up in the stage 2 compile of
clang-x86_64-linux-selfhost-modules-2 but not the stage 1 compile.

Somehow, this change causes the build to need Attributes.gen before it's been
generated.

llvm-svn: 297188
 2017-03-07 19:21:23 +00:00
Daniel Sanders 8612326a08 [globalisel] Change LLT constructor string into an LLT-based object that knows how to generate it. 
Summary:
This will allow future patches to inspect the details of the LLT. The implementation is now split between
the Support and CodeGen libraries to allow TableGen to use this class without introducing layering concerns.

Thanks to Ahmed Bougacha for finding a reasonable way to avoid the layering issue and providing the version of this patch without that problem.

Reviewers: t.p.northover, qcolombet, rovka, aditya_nandakumar, ab, javed.absar

Subscribers: arsenm, nhaehnle, mgorny, dberris, llvm-commits, kristof.beyls

Differential Revision: https://reviews.llvm.org/D30046

llvm-svn: 297177
 2017-03-07 18:32:25 +00:00
Tim Northover c2c545b8f7 GlobalISel: restrict G_EXTRACT instruction to just one operand. 
A bit more painful than G_INSERT because it was more widely used, but this
should simplify the handling of extract operations in most locations.

llvm-svn: 297100
 2017-03-06 23:50:28 +00:00
Daniel Sanders 983c9b98e9 Revert r296474 - [globalisel] Change LLT constructor string into an LLT subclass that knows how to generate it. 
There's a circular dependency that's only revealed when LLVM_ENABLE_MODULES=1.

llvm-svn: 296478
 2017-02-28 15:00:27 +00:00
Daniel Sanders a5afdefec6 [globalisel] Change LLT constructor string into an LLT subclass that knows how to generate it. 
Summary:
This will allow future patches to inspect the details of the LLT. The implementation is now split between
the Support and CodeGen libraries to allow TableGen to use this class without introducing layering concerns.

Thanks to Ahmed Bougacha for finding a reasonable way to avoid the layering issue and providing the version of this patch without that problem.

Reviewers: t.p.northover, qcolombet, rovka, aditya_nandakumar, ab, javed.absar

Subscribers: arsenm, nhaehnle, mgorny, dberris, llvm-commits, kristof.beyls

Differential Revision: https://reviews.llvm.org/D30046

llvm-svn: 296474
 2017-02-28 14:21:31 +00:00
Igor Breger 5c31a4c9a3 [X86][GlobalISel] Add limited ret lowering support to the IRTranslator. 
Summary:
Support return lowering for i8/i16/i32/i64/float/double, vector type supported for 64bit platform only.
Support argument lowering for float/double types.

Reviewers: t.p.northover, zvi, ab, rovka

Reviewed By: zvi

Subscribers: dberris, kristof.beyls, delena, llvm-commits

Differential Revision: https://reviews.llvm.org/D29261

llvm-svn: 294173
 2017-02-06 08:37:41 +00:00
Igor Breger 9ea154d4ad [X86][GlobalISel] Add limited argument lowering support to the IRTranslator. 
Summary:
Add limited (i8/i16/i32/i64)  argument lowering support to the IRTranslator.
Inspired by commit 289940.

Reviewers: t.p.northover, qcolombet, ab, zvi, rovka

Reviewed By: rovka

Subscribers: dberris, rovka, kristof.beyls, llvm-commits

Differential Revision: https://reviews.llvm.org/D28987

llvm-svn: 293427
 2017-01-29 08:35:42 +00:00
Zvi Rackover 76dbf26599 [X86][GlobalISel] Add minimal call lowering support to the IRTranslator 
Summary:
    Add basic functionality to support call lowering for X86.
    Currently only supports functions which return void and take zero arguments.
    Inspired by commit 286573.

Reviewers: ab, qcolombet, t.p.northover

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D26593

llvm-svn: 286935
 2016-11-15 06:34:33 +00:00