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16 Commits

Author SHA1 Message Date
Sanjay Patel 21d9c70b91 [utils] improve AArch64 asm parser 
If we don't mark the cfi line as optional, the script won't
work with 'nounwind' code. Without that attr, there may be
extra noise in the asm body that we don't want to see.

llvm-svn: 330453
 2018-04-20 17:16:23 +00:00
Daniel Cederman 1c8fb18557 Add SPARC support to update_llc_test_checks.py 
Reviewers: spatel, jyknight

Reviewed By: spatel

Subscribers: fedor.sergeev, llvm-commits

Differential Revision: https://reviews.llvm.org/D45809

llvm-svn: 330401
 2018-04-20 07:59:13 +00:00
Simon Pilgrim 5334a2c571 [UpdateTestChecks] Add update_analyze_test_checks.py for cost model analysis generation 
The script allows the auto-generation of checks for cost model tests to speed up their creation and help improve coverage, which will help a lot with PR36550.

If the need arises we can add support for other analyze passes as well, but the cost models was the one I needed to get done - at the moment it just warns that any other analysis mode is unsupported.

I've regenerated a couple of x86 test files to show the effect.

Differential Revision: https://reviews.llvm.org/D45272

llvm-svn: 329390
 2018-04-06 12:36:27 +00:00
Simon Pilgrim 8296229826 [UpdateTestChecks] Moved core functionality of add_asm_checks into add_checks 
As discussed on D45272

llvm-svn: 329270
 2018-04-05 10:48:38 +00:00
Simon Pilgrim 978502f475 [UpdateTestChecks] Split core functionality of add_ir_checks into add_checks 
Cherry picked from D45272, also added some setup for add_asm_checks to use add_checks as well.

llvm-svn: 329266
 2018-04-05 10:26:13 +00:00
Simon Pilgrim 702ec04fee [UpdateTestChecks] Make add_asm_checks more like add_ir_checks 
Towards merging them as mentioned on D45272

llvm-svn: 329265
 2018-04-05 09:50:58 +00:00
Simon Pilgrim abba04886e [UpdateTestChecks] Remove unnecessary return from add_ir_checks 
llvm-svn: 329262
 2018-04-05 09:30:42 +00:00
Chandler Carruth ff2f4fcd51 [x86] Fix a pretty obvious think-o with my asm scrubbing. You have to in 
fact use regular expression syntax to use regular expressions.

Should restore the bots. Sorry for the noise on this test.

Thanks to Philip for spotting the bug!

llvm-svn: 329057
 2018-04-03 10:28:56 +00:00
Chandler Carruth 6646becd0c [x86] Extend my goofy SP offset scrubbing for llc test cases to actually 
do explicit scrubbing of the offsets of stack spills and reloads.

You can always turn this off in order to test specific stack slot usage.
We were already hiding most of this, but the new logic hides it more
generically. Notably, we should effectively hide stack slot churn in
functions that have a frame pointer now, and should also hide it when
changing a function from stack pointer to frame pointer. That transition
already changes enough to be clearly noticed in the test case diff,
showing *every* spill and reload is really noisy without benefit. See
the test case I ran this on as a classic example.

llvm-svn: 329055
 2018-04-03 09:57:05 +00:00
Alexander Richardson 115b0673b6 [UpdateTestChecks] Handle IR variables with a '-' in the name 
Summary:
I noticed that clang will emit variables such as %indirect-arg-temp when
running update_cc1_test_checks.py and therefore update_cc1_test_checks.py
wasn't adding FileCheck captures for those variables.

Reviewers: MaskRay

Reviewed By: MaskRay

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D44459

llvm-svn: 327564
 2018-03-14 20:28:53 +00:00
Fangrui Song 56fb2b2f20 Fix LLVM IR check lines in utils/update_cc_test_checks.py 
Reviewers: arichardson

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D44400

llvm-svn: 327538
 2018-03-14 17:47:07 +00:00
Fangrui Song 0a301a194e [utils] Add utils/update_cc_test_checks.py 
A utility to update LLVM IR in C/C++ FileCheck test files.

Example RUN lines in .c/.cc test files:

// RUN: %clang -S -Os -DXX %s -o - | FileCheck %s
// RUN: %clangxx -S -Os %s -o - | FileCheck -check-prefix=IR %s

Usage:

% utils/update_cc_test_checks.py --llvm-bin=release/bin test/a.cc
% utils/update_cc_test_checks.py --c-index-test=release/bin/c-index-test --clang=release/bin/clang /tmp/c/a.cc

    // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
    // RUN: %clang -emit-llvm -S -Os -DXX %s -o - | FileCheck -check-prefix=AA %s
    // RUN: %clangxx -emit-llvm -S -Os %s -o - | FileCheck -check-prefix=BB %s
    using T =
    #ifdef XX
        int __attribute__((vector_size(16)))
    #else
        short __attribute__((vector_size(16)))
    #endif
        ;

    // AA-LABEL: _Z3fooDv4_i:
    // AA:       entry:
    // AA-NEXT:    %add = shl <4 x i32> %a, <i32 1, i32 1, i32 1, i32 1>
    // AA-NEXT:    ret <4 x i32> %add
    //
    // BB-LABEL: _Z3fooDv8_s:
    // BB:       entry:
    // BB-NEXT:    %add = shl <8 x i16> %a, <i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1>
    // BB-NEXT:    ret <8 x i16> %add
    T foo(T a) {
      return a + a;
    }

Differential Revision: https://reviews.llvm.org/D42712

llvm-svn: 326591
 2018-03-02 17:37:04 +00:00
Justin Bogner 35a9d1b17f update_mir_test_checks: Use the regexes from UpdateTestChecks.common 
Some of the update_*_test_checks regexes have been moved into a
library, so we might as well use them in update_mir_test_checks.
Also includes minor bugfixes to the regexes that are there so we
don't regress update_mir_test_checks

llvm-svn: 326288
 2018-02-28 00:56:24 +00:00
Fangrui Song 4f0f426d1f [utils] Refactor utils/update_{,llc_}test_checks.py to share more code 
Summary:
This revision refactors 1. parser 2. CHECK line adder of utils/update_{,llc_}test_checks.py
so that thir functionality can be re-used by other utility scripts (e.g.  D42712)

Reviewers: asb, craig.topper, RKSimon, echristo

Subscribers: llvm-commits, spatel

Differential Revision: https://reviews.llvm.org/D42805

llvm-svn: 324803
 2018-02-10 05:01:33 +00:00
Fangrui Song 3823fc46f5 Make utils/UpdateTestChecks/common.py Python 2/3 compatible and fix print statements. 
Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D42674

llvm-svn: 324104
 2018-02-02 16:41:07 +00:00
Fangrui Song ee4e2e718d [utils] De-duplicate utils/update_{llc_,}test_checks.py 
Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D42654

llvm-svn: 323718
 2018-01-30 00:40:05 +00:00