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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 |
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| #
4ab40eca |
| 03-Oct-2022 |
Bjorn Pettersson <bjorn.a.pettersson@ericsson.com> |
[test][InstCombine] Update some test cases to use opaque pointers
These tests cases were converted using the script at
https://gist.github.com/nikic/98357b71fd67756b0f064c9517b62a34
Differential Re
[test][InstCombine] Update some test cases to use opaque pointers
These tests cases were converted using the script at
https://gist.github.com/nikic/98357b71fd67756b0f064c9517b62a34
Differential Revision: https://reviews.llvm.org/D135094
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Revision tags: 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 |
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| #
0dcfe7aa |
| 18-Jul-2022 |
Martin Sebor <msebor@redhat.com> |
[InstCombine] Tighten up known library function signature tests (PR #56463)
Replace a switch statement used to validate arguments to known library
functions with a more consistent table-driven appro
[InstCombine] Tighten up known library function signature tests (PR #56463)
Replace a switch statement used to validate arguments to known library
functions with a more consistent table-driven approach and tighten it
up.
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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 |
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8c741699 |
| 13-Apr-2022 |
Nikita Popov <npopov@redhat.com> |
[SimplifyLibCalls] Don't mark memchr() memory as fully dereferenceable
C11 specifies memchr() as follows:
> The memchr function locates the first occurrence of c (converted
> to an unsigned char) i
[SimplifyLibCalls] Don't mark memchr() memory as fully dereferenceable
C11 specifies memchr() as follows:
> The memchr function locates the first occurrence of c (converted
> to an unsigned char) in the initial n characters (each interpreted
> as unsigned char) of the object pointed to by s. The implementation
> shall behave as if it reads the characters sequentially and stops
> as soon as a matching character is found.
In particular, it is well-defined to specify a memchr size larger
than the underlying object, as long as the character is found before
the end of the object.
Differential Revision: https://reviews.llvm.org/D123665
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Revision tags: 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 |
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acdc419c |
| 04-Feb-2022 |
Bjorn Pettersson <bjorn.a.pettersson@ericsson.com> |
[test] Use -passes=instcombine instead of -instcombine in lots of tests. NFC
Another step moving away from the deprecated syntax of specifying
pass pipeline in opt.
Differential Revision: https://r
[test] Use -passes=instcombine instead of -instcombine in lots of tests. NFC
Another step moving away from the deprecated syntax of specifying
pass pipeline in opt.
Differential Revision: https://reviews.llvm.org/D119081
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Revision tags: llvmorg-15-init, 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 |
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cd54c579 |
| 20-Feb-2021 |
Dávid Bolvanský <david.bolvansky@gmail.com> |
Reland "[Libcalls, Attrs] Annotate libcalls with noundef"
Fixed Clang tests.
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| #
94d034fb |
| 20-Feb-2021 |
Dávid Bolvanský <david.bolvansky@gmail.com> |
Revert "[Libcalls, Attrs] Annotate libcalls with noundef"
This reverts commit 33b0c63775ce58014c55e285671e3315104a6076. Bots are failing. Some Clang tests need to be updated too.
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33b0c637 |
| 20-Feb-2021 |
Dávid Bolvanský <david.bolvansky@gmail.com> |
[Libcalls, Attrs] Annotate libcalls with noundef
I think we can use here same logic as for nonnull.
strlen(X) - X must be noundef => valid pointer.
for libcalls with size arg, we add noundef only
[Libcalls, Attrs] Annotate libcalls with noundef
I think we can use here same logic as for nonnull.
strlen(X) - X must be noundef => valid pointer.
for libcalls with size arg, we add noundef only if size is known and greater than 0 - so pointers must be noundef (valid ones)
Reviewed By: jdoerfert, aqjune
Differential Revision: https://reviews.llvm.org/D95122
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Revision tags: 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 |
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f89f7da9 |
| 25-Apr-2020 |
Nikita Popov <nikita.ppv@gmail.com> |
[IR] Convert null-pointer-is-valid into an enum attribute
The "null-pointer-is-valid" attribute needs to be checked by many
pointer-related combines. To make the check more efficient, convert
it fro
[IR] Convert null-pointer-is-valid into an enum attribute
The "null-pointer-is-valid" attribute needs to be checked by many
pointer-related combines. To make the check more efficient, convert
it from a string into an enum attribute.
In the future, this attribute may be replaced with data layout
properties.
Differential Revision: https://reviews.llvm.org/D78862
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Revision tags: 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, 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 |
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| #
e80fcf03 |
| 17-Sep-2019 |
David Bolvansky <david.bolvansky@gmail.com> |
[SimplifyLibCalls] Mark known arguments with nonnull
Reviewers: efriedma, jdoerfert
Reviewed By: jdoerfert
Subscribers: ychen, rsmith, joerg, aaron.ballman, lebedev.ri, uenoku, jdoerfert, hfinkel,
[SimplifyLibCalls] Mark known arguments with nonnull
Reviewers: efriedma, jdoerfert
Reviewed By: jdoerfert
Subscribers: ychen, rsmith, joerg, aaron.ballman, lebedev.ri, uenoku, jdoerfert, hfinkel, javed.absar, spatel, dmgreen, llvm-commits
Differential Revision: https://reviews.llvm.org/D53342
llvm-svn: 372091
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Revision tags: llvmorg-9.0.0-rc5, llvmorg-9.0.0-rc4, llvmorg-9.0.0-rc3 |
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f94460d4 |
| 14-Aug-2019 |
David Bolvansky <david.bolvansky@gmail.com> |
[SLC] Dereferenceable annonation - handle valid null pointers
Reviewers: jdoerfert, reames
Reviewed By: jdoerfert
Subscribers: llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llv
[SLC] Dereferenceable annonation - handle valid null pointers
Reviewers: jdoerfert, reames
Reviewed By: jdoerfert
Subscribers: llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D66161
llvm-svn: 368884
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| #
0e0fbae1 |
| 14-Aug-2019 |
David Bolvansky <david.bolvansky@gmail.com> |
[BuildLibCalls] Noalias annotation
Summary: I think this is better solution than annotating callsites in IC/SLC.
Reviewers: jdoerfert
Reviewed By: jdoerfert
Subscribers: MaskRay, llvm-commits
Ta
[BuildLibCalls] Noalias annotation
Summary: I think this is better solution than annotating callsites in IC/SLC.
Reviewers: jdoerfert
Reviewed By: jdoerfert
Subscribers: MaskRay, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D66217
llvm-svn: 368875
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| #
038d604f |
| 13-Aug-2019 |
David Bolvansky <david.bolvansky@gmail.com> |
[SimplifyLibCalls] Add noalias from known callsites
Summary:
Should be fine for memcpy, strcpy, strncpy.
Reviewers: jdoerfert, efriedma
Reviewed By: jdoerfert
Subscribers: uenoku, llvm-commits
[SimplifyLibCalls] Add noalias from known callsites
Summary:
Should be fine for memcpy, strcpy, strncpy.
Reviewers: jdoerfert, efriedma
Reviewed By: jdoerfert
Subscribers: uenoku, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D66135
llvm-svn: 368724
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| #
dde10cd7 |
| 13-Aug-2019 |
David Bolvansky <david.bolvansky@gmail.com> |
[NFC] Revisited/updated tests
llvm-svn: 368722
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| #
90a30fdc |
| 13-Aug-2019 |
David Bolvansky <david.bolvansky@gmail.com> |
[SLC] Improve dereferenceable bytes annotation
llvm-svn: 368715
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Revision tags: llvmorg-9.0.0-rc2 |
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| #
39130314 |
| 13-Aug-2019 |
David Bolvansky <david.bolvansky@gmail.com> |
[SimplifyLibCalls] Add dereferenceable bytes from known callsites
Summary:
int mm(char *a, char *b) {
return memcmp(a,b,16);
}
Currently:
define dso_local i32 @mm(i8* nocapture readonly %a, i8*
[SimplifyLibCalls] Add dereferenceable bytes from known callsites
Summary:
int mm(char *a, char *b) {
return memcmp(a,b,16);
}
Currently:
define dso_local i32 @mm(i8* nocapture readonly %a, i8* nocapture readonly %b) local_unnamed_addr #1 {
entry:
%call = tail call i32 @memcmp(i8* %a, i8* %b, i64 16)
ret i32 %call
}
After patch:
define dso_local i32 @mm(i8* nocapture readonly %a, i8* nocapture readonly %b) local_unnamed_addr #1 {
entry:
%call = tail call i32 @memcmp(i8* dereferenceable(16) %a, i8* dereferenceable(16) %b, i64 16)
ret i32 %call
}
Reviewers: jdoerfert, efriedma
Reviewed By: jdoerfert
Subscribers: javed.absar, spatel, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D66079
llvm-svn: 368657
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