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Revision tags: llvmorg-18.1.8, llvmorg-18.1.7, llvmorg-18.1.6, llvmorg-18.1.5, llvmorg-18.1.4, llvmorg-18.1.3, llvmorg-18.1.2, llvmorg-18.1.1, llvmorg-18.1.0, llvmorg-18.1.0-rc4, llvmorg-18.1.0-rc3, llvmorg-18.1.0-rc2, llvmorg-18.1.0-rc1, llvmorg-19-init, llvmorg-17.0.6, llvmorg-17.0.5, llvmorg-17.0.4, llvmorg-17.0.3, llvmorg-17.0.2, llvmorg-17.0.1, llvmorg-17.0.0, llvmorg-17.0.0-rc4, llvmorg-17.0.0-rc3, llvmorg-17.0.0-rc2, llvmorg-17.0.0-rc1, llvmorg-18-init, llvmorg-16.0.6, llvmorg-16.0.5, llvmorg-16.0.4, llvmorg-16.0.3, llvmorg-16.0.2, llvmorg-16.0.1, llvmorg-16.0.0, llvmorg-16.0.0-rc4, llvmorg-16.0.0-rc3, llvmorg-16.0.0-rc2, llvmorg-16.0.0-rc1, llvmorg-17-init, llvmorg-15.0.7, llvmorg-15.0.6, llvmorg-15.0.5, llvmorg-15.0.4, llvmorg-15.0.3, working, llvmorg-15.0.2, llvmorg-15.0.1, llvmorg-15.0.0, llvmorg-15.0.0-rc3, llvmorg-15.0.0-rc2, llvmorg-15.0.0-rc1, llvmorg-16-init
# a61b202d 13-Jul-2022 Zarko Todorovski <zarko@ca.ibm.com>

[Clang][Sema][AIX][PowerPC] Emit byval alignment warning only when struct is passed to a function

Previous warning went on whenever a struct with a struct member with alignment => 16
was declared. T

[Clang][Sema][AIX][PowerPC] Emit byval alignment warning only when struct is passed to a function

Previous warning went on whenever a struct with a struct member with alignment => 16
was declared. This led to too many false positives and led to diagnostic lit failures
due to it being emitted too frequently. Only emit the warning when such a struct and
that struct contains a member that has an alignment of 16 bytes is passed to a caller
function since this is where the potential binary compatibility issue with XL 16.1.0
and older exists.

Reviewed By: sfertile, aaron.ballman

Differential Revision: https://reviews.llvm.org/D118350

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Revision tags: llvmorg-14.0.6, llvmorg-14.0.5, llvmorg-14.0.4, llvmorg-14.0.3, llvmorg-14.0.2, llvmorg-14.0.1, llvmorg-14.0.0, llvmorg-14.0.0-rc4, llvmorg-14.0.0-rc3, llvmorg-14.0.0-rc2, llvmorg-14.0.0-rc1, llvmorg-15-init
# 245b8e56 01-Feb-2022 Steven Wan <wanyu9511@gmail.com>

[NFC][AIX]Disable failed tests due to aggressive byval alignment warning on AIX

These tests emit unexpected diagnostics on AIX because the byval alignment warning is emitted too aggressively. https:

[NFC][AIX]Disable failed tests due to aggressive byval alignment warning on AIX

These tests emit unexpected diagnostics on AIX because the byval alignment warning is emitted too aggressively. https://reviews.llvm.org/D118350 is supposed to provide a proper fix to the problem, but for the time being disable the tests to unblock.

Differential Revision: https://reviews.llvm.org/D118670

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Revision tags: llvmorg-13.0.1, llvmorg-13.0.1-rc3, llvmorg-13.0.1-rc2, llvmorg-13.0.1-rc1, llvmorg-13.0.0, llvmorg-13.0.0-rc4, llvmorg-13.0.0-rc3, llvmorg-13.0.0-rc2, llvmorg-13.0.0-rc1, llvmorg-14-init, llvmorg-12.0.1, llvmorg-12.0.1-rc4, llvmorg-12.0.1-rc3, llvmorg-12.0.1-rc2, llvmorg-12.0.1-rc1, llvmorg-12.0.0, llvmorg-12.0.0-rc5, llvmorg-12.0.0-rc4, llvmorg-12.0.0-rc3, llvmorg-12.0.0-rc2, llvmorg-11.1.0, llvmorg-11.1.0-rc3, llvmorg-12.0.0-rc1, llvmorg-13-init, llvmorg-11.1.0-rc2, llvmorg-11.1.0-rc1, llvmorg-11.0.1, llvmorg-11.0.1-rc2, llvmorg-11.0.1-rc1, llvmorg-11.0.0, llvmorg-11.0.0-rc6, llvmorg-11.0.0-rc5, llvmorg-11.0.0-rc4, llvmorg-11.0.0-rc3, llvmorg-11.0.0-rc2, llvmorg-11.0.0-rc1, llvmorg-12-init, llvmorg-10.0.1, llvmorg-10.0.1-rc4, llvmorg-10.0.1-rc3, llvmorg-10.0.1-rc2, llvmorg-10.0.1-rc1, llvmorg-10.0.0, llvmorg-10.0.0-rc6, llvmorg-10.0.0-rc5, llvmorg-10.0.0-rc4, llvmorg-10.0.0-rc3, llvmorg-10.0.0-rc2
# 7ae1b4a0 06-Feb-2020 Richard Smith <richard@metafoo.co.uk>

Implement P1766R1: diagnose giving non-C-compatible classes a typedef name for linkage purposes.

Summary:
Due to a recent (but retroactive) C++ rule change, only sufficiently
C-compatible classes ar

Implement P1766R1: diagnose giving non-C-compatible classes a typedef name for linkage purposes.

Summary:
Due to a recent (but retroactive) C++ rule change, only sufficiently
C-compatible classes are permitted to be given a typedef name for
linkage purposes. Add an enabled-by-default warning for these cases, and
rephrase our existing error for the case where we encounter the typedef
name for linkage after we've already computed and used a wrong linkage
in terms of the new rule.

Reviewers: rjmccall

Subscribers: cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D74103

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Revision tags: llvmorg-10.0.0-rc1, llvmorg-11-init, llvmorg-9.0.1, llvmorg-9.0.1-rc3, llvmorg-9.0.1-rc2, llvmorg-9.0.1-rc1, llvmorg-9.0.0, llvmorg-9.0.0-rc6, llvmorg-9.0.0-rc5, llvmorg-9.0.0-rc4, llvmorg-9.0.0-rc3, llvmorg-9.0.0-rc2, llvmorg-9.0.0-rc1, llvmorg-10-init, llvmorg-8.0.1, llvmorg-8.0.1-rc4, llvmorg-8.0.1-rc3, llvmorg-8.0.1-rc2, llvmorg-8.0.1-rc1, llvmorg-8.0.0, llvmorg-8.0.0-rc5, llvmorg-8.0.0-rc4, llvmorg-8.0.0-rc3, llvmorg-7.1.0, llvmorg-7.1.0-rc1, llvmorg-8.0.0-rc2, llvmorg-8.0.0-rc1, llvmorg-7.0.1, llvmorg-7.0.1-rc3, llvmorg-7.0.1-rc2, llvmorg-7.0.1-rc1, llvmorg-7.0.0, llvmorg-7.0.0-rc3, llvmorg-7.0.0-rc2, llvmorg-7.0.0-rc1, llvmorg-6.0.1, llvmorg-6.0.1-rc3, llvmorg-6.0.1-rc2, llvmorg-6.0.1-rc1, llvmorg-5.0.2, llvmorg-5.0.2-rc2, llvmorg-5.0.2-rc1, llvmorg-6.0.0, llvmorg-6.0.0-rc3, llvmorg-6.0.0-rc2, llvmorg-6.0.0-rc1, llvmorg-5.0.1, llvmorg-5.0.1-rc3, llvmorg-5.0.1-rc2, llvmorg-5.0.1-rc1, llvmorg-5.0.0, llvmorg-5.0.0-rc5, llvmorg-5.0.0-rc4, llvmorg-5.0.0-rc3, llvmorg-5.0.0-rc2, llvmorg-5.0.0-rc1, llvmorg-4.0.1, llvmorg-4.0.1-rc3, llvmorg-4.0.1-rc2, llvmorg-4.0.1-rc1, llvmorg-4.0.0, llvmorg-4.0.0-rc4
# 184c6242 03-Mar-2017 Dominic Chen <d.c.ddcc@gmail.com>

Reland 4: [analyzer] NFC: Update test infrastructure to support multiple constraint managers

Summary: Replace calls to %clang/%clang_cc1 with %clang_analyze_cc1 when invoking static analyzer, and pe

Reland 4: [analyzer] NFC: Update test infrastructure to support multiple constraint managers

Summary: Replace calls to %clang/%clang_cc1 with %clang_analyze_cc1 when invoking static analyzer, and perform runtime substitution to select the appropriate constraint manager, per D28952.

Reviewers: xazax.hun, NoQ, zaks.anna, dcoughlin

Subscribers: mgorny, rgov, mikhail.ramalho, a.sidorin, cfe-commits

Differential Revision: https://reviews.llvm.org/D30373

llvm-svn: 296895

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# 09d66f75 02-Mar-2017 Dominic Chen <d.c.ddcc@gmail.com>

Revert "Reland 3: [analyzer] NFC: Update test infrastructure to support multiple constraint managers"

This reverts commit ea36f1406e1f36bf456c3f3929839b024128e468.

llvm-svn: 296841


# feaf9ff5 02-Mar-2017 Dominic Chen <d.c.ddcc@gmail.com>

Reland 3: [analyzer] NFC: Update test infrastructure to support multiple constraint managers

Summary: Replace calls to %clang/%clang_cc1 with %clang_analyze_cc1 when invoking static analyzer, and pe

Reland 3: [analyzer] NFC: Update test infrastructure to support multiple constraint managers

Summary: Replace calls to %clang/%clang_cc1 with %clang_analyze_cc1 when invoking static analyzer, and perform runtime substitution to select the appropriate constraint manager, per D28952.

Reviewers: xazax.hun, NoQ, zaks.anna, dcoughlin

Subscribers: mgorny, rgov, mikhail.ramalho, a.sidorin, cfe-commits

Differential Revision: https://reviews.llvm.org/D30373

llvm-svn: 296837

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# 4a90bf8c 02-Mar-2017 Dominic Chen <d.c.ddcc@gmail.com>

Revert "Reland 2: [analyzer] NFC: Update test infrastructure to support multiple constraint managers"

This reverts commit f93343c099fff646a2314cc7f4925833708298b1.

llvm-svn: 296836


# 1cb0256a 02-Mar-2017 Dominic Chen <d.c.ddcc@gmail.com>

Reland 2: [analyzer] NFC: Update test infrastructure to support multiple constraint managers

Summary: Replace calls to %clang/%clang_cc1 with %clang_analyze_cc1 when invoking static analyzer, and pe

Reland 2: [analyzer] NFC: Update test infrastructure to support multiple constraint managers

Summary: Replace calls to %clang/%clang_cc1 with %clang_analyze_cc1 when invoking static analyzer, and perform runtime substitution to select the appropriate constraint manager, per D28952.

Reviewers: xazax.hun, NoQ, zaks.anna, dcoughlin

Subscribers: mgorny, rgov, mikhail.ramalho, a.sidorin, cfe-commits

Differential Revision: https://reviews.llvm.org/D30373

llvm-svn: 296835

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Revision tags: llvmorg-4.0.0-rc3
# 00355a51 28-Feb-2017 Dominic Chen <d.c.ddcc@gmail.com>

Revert "Reland: [analyzer] NFC: Update test infrastructure to support multiple constraint managers"

This reverts commit 1b28d0b10e1c8feccb971abb6ef7a18bee589830.

llvm-svn: 296422


# 59cd8933 28-Feb-2017 Dominic Chen <d.c.ddcc@gmail.com>

Reland: [analyzer] NFC: Update test infrastructure to support multiple constraint managers

Summary: Replace calls to %clang/%clang_cc1 with %clang_analyze_cc1 when invoking static analyzer, and perf

Reland: [analyzer] NFC: Update test infrastructure to support multiple constraint managers

Summary: Replace calls to %clang/%clang_cc1 with %clang_analyze_cc1 when invoking static analyzer, and perform runtime substitution to select the appropriate constraint manager, per D28952.

Reviewers: xazax.hun, NoQ, zaks.anna, dcoughlin

Subscribers: mgorny, rgov, mikhail.ramalho, a.sidorin, cfe-commits

Differential Revision: https://reviews.llvm.org/D30373

llvm-svn: 296414

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# 8589e10c 27-Feb-2017 Dominic Chen <d.c.ddcc@gmail.com>

Revert "[analyzer] NFC: Update test infrastructure to support multiple constraint managers"

This reverts commit 8e7780b9e59ddaad1800baf533058d2c064d4787.

llvm-svn: 296317


# 02064a30 27-Feb-2017 Dominic Chen <d.c.ddcc@gmail.com>

[analyzer] NFC: Update test infrastructure to support multiple constraint managers

Summary: Replace calls to %clang/%clang_cc1 with %clang_analyze_cc1 when invoking static analyzer, and perform runt

[analyzer] NFC: Update test infrastructure to support multiple constraint managers

Summary: Replace calls to %clang/%clang_cc1 with %clang_analyze_cc1 when invoking static analyzer, and perform runtime substitution to select the appropriate constraint manager, per D28952.

Reviewers: xazax.hun, NoQ, zaks.anna, dcoughlin

Subscribers: mgorny, rgov, mikhail.ramalho, a.sidorin, cfe-commits

Differential Revision: https://reviews.llvm.org/D30373

llvm-svn: 296312

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Revision tags: llvmorg-4.0.0-rc2, llvmorg-4.0.0-rc1, llvmorg-3.9.1, llvmorg-3.9.1-rc3, llvmorg-3.9.1-rc2, llvmorg-3.9.1-rc1, llvmorg-3.9.0, llvmorg-3.9.0-rc3, llvmorg-3.9.0-rc2, llvmorg-3.9.0-rc1, llvmorg-3.8.1, llvmorg-3.8.1-rc1, llvmorg-3.8.0, llvmorg-3.8.0-rc3, llvmorg-3.8.0-rc2, llvmorg-3.8.0-rc1
# 97c191c4 14-Dec-2015 Ben Craig <ben.craig@codeaurora.org>

[PATCH] Adding checker to detect excess padding in records

The intent of this checker is to generate a report for any class / structure
that could reduce its padding by reordering the fields. This

[PATCH] Adding checker to detect excess padding in records

The intent of this checker is to generate a report for any class / structure
that could reduce its padding by reordering the fields. This results in a very
noisy checker. To reduce the noise, this checker will currently only warn when
the number of bytes over "optimal" is more than 24. This value is configurable
with -analyzer-config performance.Padding:AllowedPad=N. Small values of
AllowedPad have the potential to generate hundreds of reports, and gigabytes
of HTML reports.

The checker searches for padding violations in two main ways. First, it goes
record by record. A report is generated if the fields could be reordered in a
way that reduces the padding by more than AllowedPad bytes. Second, the
checker will generate a report if an array will cause more than AllowedPad
padding bytes to be generated.

The record checker currently skips many ABI specific cases. Classes with base
classes are skipped because base class tail padding is ABI specific. Bitfields
are just plain hard, and duplicating that code seems like a bad idea. VLAs are
both uncommon and non-trivial to fix.

The array checker isn't very thorough right now. It only checks to see if the
element type's fields could be reordered, and it doesn't recursively check to
see if any of the fields' fields could be reordered. At some point in the
future, it would be nice if "arrays" could also look at array new usages and
malloc patterns that appear to be creating arrays.

llvm-svn: 255545

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