[llvm-bugs] [Bug 13059] Passing 8 x float vector to a function generates unnecessary instructions on x86-64
https://llvm.org/bugs/show_bug.cgi?id=13059 Simon Pilgrim changed: What|Removed |Added Status|NEW |RESOLVED CC||llvm-...@redking.me.uk Resolution|--- |DUPLICATE --- Comment #2 from Simon Pilgrim --- Resolving this - avoiding the frame pointer when using AVX was fixed in several other bugs a long time ago. *** This bug has been marked as a duplicate of bug 14159 *** -- You are receiving this mail because: You are on the CC list for the bug. ___ llvm-bugs mailing list llvm-bugs@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-bugs
[llvm-bugs] [Bug 30249] AVX512 fails to select CMP of i1.
https://llvm.org/bugs/show_bug.cgi?id=30249 igorb changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|--- |FIXED --- Comment #1 from igorb --- Thanks, revert commit r279960. https://reviews.llvm.org/rL280625 -- You are receiving this mail because: You are on the CC list for the bug. ___ llvm-bugs mailing list llvm-bugs@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-bugs
[llvm-bugs] [Bug 25031] PowerPC code generation bug: relative branch cannot be resolved by linker
https://llvm.org/bugs/show_bug.cgi?id=25031 Hal Finkel changed: What|Removed |Added Status|NEW |RESOLVED Resolution|--- |FIXED --- Comment #4 from Hal Finkel --- r280626 should fix this. Please reopen if it does not. -- You are receiving this mail because: You are on the CC list for the bug. ___ llvm-bugs mailing list llvm-bugs@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-bugs
[llvm-bugs] [Bug 29126] [InstCombine] fold insertelement of constant into shufflevector with constant operand
https://llvm.org/bugs/show_bug.cgi?id=29126 Sanjay Patel changed: What|Removed |Added Status|NEW |RESOLVED Resolution|--- |FIXED --- Comment #3 from Sanjay Patel --- Yep - forgot to resolve this bug. Should be fixed with: https://reviews.llvm.org/rL280504 -- You are receiving this mail because: You are on the CC list for the bug. ___ llvm-bugs mailing list llvm-bugs@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-bugs
[llvm-bugs] [Bug 28892] AVX512: fmsub intrinsic generates fmadd instruction
https://llvm.org/bugs/show_bug.cgi?id=28892 Elena Demikhovsky changed: What|Removed |Added Status|RESOLVED|REOPENED Resolution|FIXED |--- --- Comment #7 from Elena Demikhovsky --- I submitted an additional patch https://reviews.llvm.org/D24221 for review. -- You are receiving this mail because: You are on the CC list for the bug. ___ llvm-bugs mailing list llvm-bugs@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-bugs
[llvm-bugs] [Bug 25153] PowerPC DAG Pattern Instruction Selection Slowdown in LLVM 3.7
https://llvm.org/bugs/show_bug.cgi?id=25153 Hal Finkel changed: What|Removed |Added Status|NEW |RESOLVED Resolution|--- |FIXED --- Comment #8 from Hal Finkel --- Looks like this was committed back in February (r259691). Thanks again! -- You are receiving this mail because: You are on the CC list for the bug. ___ llvm-bugs mailing list llvm-bugs@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-bugs
[llvm-bugs] [Bug 30273] New: [InstCombine] failed to convert selects into add
https://llvm.org/bugs/show_bug.cgi?id=30273
Bug ID: 30273
Summary: [InstCombine] failed to convert selects into add
Product: libraries
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: Scalar Optimizations
Assignee: unassignedb...@nondot.org
Reporter: spatel+l...@rotateright.com
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
This example is a simplified test based on actual code in
InstCombineCompares.cpp as of r280624:
$ cat boolcow.c
#include
unsigned foo(bool a, bool b) {
unsigned ret = 0;
if (a) ++ret;
if (b) ++ret;
return ret;
}
This is logically equivalent in C99 or C++ to:
unsigned goo(bool a, bool b) {
return a + b;
}
It seems that there's a missing transform in InstCombine itself because the IR
for these two cases is:
$ ./clang -O1 boolcow.c -S -o - -emit-llvm
define i32 @foo(i1 %a, i1 %b) {
%. = zext i1 %a to i32
%inc4 = select i1 %a, i32 2, i32 1
%ret.1 = select i1 %b, i32 %inc4, i32 %.
ret i32 %ret.1
}
define i32 @goo(i1 %a, i1 %b) {
%conv = zext i1 %a to i32
%conv3 = zext i1 %b to i32
%add = add nuw nsw i32 %conv3, %conv
ret i32 %add
}
...so fix this bug, and the compiler might get faster. :)
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[llvm-bugs] [Bug 30274] New: Segfault in clang::FunctionDecl::getNumParams()
https://llvm.org/bugs/show_bug.cgi?id=30274 Bug ID: 30274 Summary: Segfault in clang::FunctionDecl::getNumParams() Product: clang Version: trunk Hardware: Macintosh OS: MacOS X Status: NEW Severity: release blocker Priority: P Component: C++ Assignee: unassignedclangb...@nondot.org Reporter: d...@mapbox.com CC: dgre...@apple.com, llvm-bugs@lists.llvm.org Classification: Unclassified Latest llvm/clang segfaults on code that works with all earlier released versions of clang. Seen on OS X 10.11.6 with clang 4.x build from source like: https://github.com/mapbox/mason/blob/2b550ea353f2cbfac823bdd6224688f1f3c35a3f/scripts/clang/4.x/script.sh llvm git checkout was da488468796b9366fb9cd1d8010658077ff7759b / https://llvm.org/svn/llvm-project/llvm/trunk@280600 91177308-0d34-0410-b5e6-96231b3b80d8 clang git checkout was 9933b39786ee646c3144099d59896b11911c2d82 / https://llvm.org/svn/llvm-project/cfe/trunk@280597 91177308-0d34-0410-b5e6-96231b3b80d8 - Terminal output of crash: https://gist.github.com/springmeyer/6da336f794d96f456564f09e1a840f36 - Backtrace: https://gist.github.com/springmeyer/8f1f085f418b35b24a21a1db682243ae - Script generated after crash: https://gist.github.com/springmeyer/3f98a684c4ccdf553a5879d40b8fd897 - Pre-processed source (45 MB): https://gist.githubusercontent.com/springmeyer/4d707fad1df2fc3c770e063ca3dc3660/raw/ea5076adb1b823fac9eab739e359a770f2315954/mapnik_json_feature_grammar-91251c.cpp -- You are receiving this mail because: You are on the CC list for the bug. ___ llvm-bugs mailing list llvm-bugs@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-bugs
[llvm-bugs] [Bug 26946] llvm-toolchain-trusty-3.8 uploaded wrongly as llvm-toolchain-trusty
https://llvm.org/bugs/show_bug.cgi?id=26946 Daniel Black changed: What|Removed |Added Status|NEW |RESOLVED CC||danie...@au1.ibm.com Resolution|--- |FIXED --- Comment #1 from Daniel Black --- these instructions on http://apt.llvm.org/ have been updated and both variants are allowed (with URL change). -- You are receiving this mail because: You are on the CC list for the bug. ___ llvm-bugs mailing list llvm-bugs@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-bugs
[llvm-bugs] [Bug 30275] New: jessie 3.9 stable apt respository showing Hash Sum mismatch
https://llvm.org/bugs/show_bug.cgi?id=30275 Bug ID: 30275 Summary: jessie 3.9 stable apt respository showing Hash Sum mismatch Product: Packaging Version: unspecified Hardware: PC OS: Linux Status: NEW Severity: normal Priority: P Component: deb packages Assignee: unassignedb...@nondot.org Reporter: danie...@au1.ibm.com CC: llvm-bugs@lists.llvm.org Classification: Unclassified During apt update.. W: Failed to fetch http://apt.llvm.org/jessie/dists/llvm-toolchain-jessie-3.9/main/binary-amd64/Packages Hash Sum mismatch -- You are receiving this mail because: You are on the CC list for the bug. ___ llvm-bugs mailing list llvm-bugs@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-bugs
[llvm-bugs] [Bug 30276] New: PowerPC64: Code hits "Impossible reg-to-reg copy" assertion
https://llvm.org/bugs/show_bug.cgi?id=30276
Bug ID: 30276
Summary: PowerPC64: Code hits "Impossible reg-to-reg copy"
assertion
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Backend: PowerPC
Assignee: unassignedb...@nondot.org
Reporter: an...@samba.org
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
The following test case:
int a, b;
int fn2(int);
void fn1(void) { b = fn2(1 ^ ((a != 1) | (0 != b))) <= 0; }
Hits an assertion:
# clang -O0 -c testcase.c
Impossible reg-to-reg copy
UNREACHABLE executed at
/home/anton/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp:943!
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[llvm-bugs] [Bug 30240] std::string: append(first, last) error when aliasing
https://llvm.org/bugs/show_bug.cgi?id=30240 Marshall Clow (home) changed: What|Removed |Added Status|NEW |RESOLVED Resolution|--- |FIXED --- Comment #1 from Marshall Clow (home) --- Fixed in revision 280643. Note that this will require a new dylib. -- You are receiving this mail because: You are on the CC list for the bug. ___ llvm-bugs mailing list llvm-bugs@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-bugs
[llvm-bugs] [Bug 30277] New: Clang 3.6 cannot compile program with -std=c++14
https://llvm.org/bugs/show_bug.cgi?id=30277
Bug ID: 30277
Summary: Clang 3.6 cannot compile program with -std=c++14
Product: clang
Version: 3.6
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: C++14
Assignee: unassignedclangb...@nondot.org
Reporter: noloa...@gmail.com
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
I'm working on Ubuntu 14.0.5 LTS. Ubuntu provides GCC 4.8 and Clang 3.6.
Clang 3.6 provided by Ubuntu claims to support C++14. -std=c++14 is not
rejected by the compiler during feature testing. The feature test program
includes the C++ header .
Attempting to compile a test program:
$ cat test.cxx
#include
int main(int argc, char* argv[])
{
return 0;
}
Results in the following:
$ clang++ -std=c++14 test.cxx -o test.exe
In file included from test.cxx:1:
In file included from
/usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/string:52:
In file included from
/usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/bits/basic_string.h:2815:
In file included from
/usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/ext/string_conversions.h:43:
/usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/cstdio:120:11:
error:
no member named 'gets' in the global namespace
using ::gets;
~~^
1 error generated.
**
Ubuntu Issue at "Clang 3.6 cannot compile program with -std=c++14",
http://bugs.launchpad.net/ubuntu/+bug/1620181 .
According to http://stackoverflow.com/q/17775390/608639, this issue is present
as early as Clang 3.3.
An interesting answer from a similar error report on Stack Overflow reveals
this (http://stackoverflow.com/a/17776548/608639):
This note in the gets manpage looks relevant:
ISO C11 removes the specification of gets() from the C language, and since
version 2.16, glibc header files don't expose the function declaration if the
_ISOC11_SOURCE feature test macro is defined.
Probably should be:
#if !_ISOC11_SOURCE
using ::gets;
#endif
**
$ clang++ -v
Ubuntu clang version 3.6.0-2ubuntu1~trusty1 (tags/RELEASE_360/final) (based on
LLVM 3.6.0)
Target: x86_64-pc-linux-gnu
Thread model: posix
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 14.04.5 LTS
Release: 14.04
Codename: trusty
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