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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
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Reviewers: spatel, jyknight
Reviewed By: spatel
Subscribers: fedor.sergeev, llvm-commits
Differential Revision: https://reviews.llvm.org/D45809
llvm-svn: 330401
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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
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As discussed on D45272
llvm-svn: 329270
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Towards merging them as mentioned on D45272
llvm-svn: 329265
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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
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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
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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
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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
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Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D42654
llvm-svn: 323718
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