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5 Commits

Author SHA1 Message Date
Craig Topper 8ca5863dd8 [X86] Add a fast-isel test for the i8 pseudo cmov. 
llvm-svn: 316827
 2017-10-28 06:10:03 +00:00
Craig Topper 4f8656a7af [X86] Enable extended comparison predicate support for SETUEQ/SETONE when targeting AVX instructions. 
We believe that despite AMD's documentation, that they really do support all 32 comparision predicates under AVX.

Differential Revision: https://reviews.llvm.org/D38609

llvm-svn: 315201
 2017-10-09 01:05:15 +00:00
Craig Topper 977c546b0c [X86] Regenerate fast-isel-select-pseudo-cmov.ll to prepare for D38609. 
llvm-svn: 315184
 2017-10-08 17:54:50 +00:00
Mehdi Amini 945a660cbc Change the fast-isel-abort option from bool to int to enable "levels" 
Summary:
Currently fast-isel-abort will only abort for regular instructions,
and just warn for function calls, terminators, function arguments.
There is already fast-isel-abort-args but nothing for calls and
terminators.

This change turns the fast-isel-abort options into an integer option,
so that multiple levels of strictness can be defined.
This will help no being surprised when the "abort" option indeed does
not abort, and enables the possibility to write test that verifies
that no intrinsics are forgotten by fast-isel.

Reviewers: resistor, echristo

Subscribers: jfb, llvm-commits

Differential Revision: http://reviews.llvm.org/D7941

From: Mehdi Amini <mehdi.amini@apple.com>
llvm-svn: 230775
 2015-02-27 18:32:11 +00:00
Juergen Ributzka aed5c96684 [FastISel][X86] Lower unsupported selects to control-flow. 
The extends the select lowering coverage by emiting pseudo cmov
instructions. These insturction will be later on lowered to control-flow to
simulate the select.

llvm-svn: 211545
 2014-06-23 21:55:44 +00:00