[llvm-bugs] [Bug 31583] libFuzzer shouldn't disable default mutators when a custom one is defined
https://llvm.org/bugs/show_bug.cgi?id=31583 ttaub...@mozilla.com changed: What|Removed |Added Status|NEW |RESOLVED Resolution|--- |WORKSFORME --- Comment #2 from ttaub...@mozilla.com --- WFM. Thanks for the tip! -- 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 30926] [X86] cvtsi2ss, cvtsi2sd, and cvtss2sd intrinsic sequences from clang produce unnecessary vmovss/vmovsd instructions
https://llvm.org/bugs/show_bug.cgi?id=30926 Elad Cohen changed: What|Removed |Added Status|NEW |RESOLVED Resolution|--- |FIXED --- Comment #4 from Elad Cohen --- Fixed in r291660. -- 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 31605] New: Could clang report a more correct error message for in-class initializer for static data member?
https://llvm.org/bugs/show_bug.cgi?id=31605
Bug ID: 31605
Summary: Could clang report a more correct error message for
in-class initializer for static data member?
Product: clang
Version: 3.9
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P
Component: C++11
Assignee: unassignedclangb...@nondot.org
Reporter: alfred.w...@msn.com
CC: dgre...@apple.com, llvm-bugs@lists.llvm.org
Classification: Unclassified
1 template
2 class foo
3 {
4 public:
5 static const int a = 3 / N;
6 };
7
8 int main()
9 {
10return foo<0>::a;
11 }
gcc-6.1.0 reports:
msg.cpp:5:28: error: '(3 / 0)' is not a constant expression
static const int a = 3 / N;
~~^~~
While clang reports:
make_cpp11.cpp:5:28: error: in-class initializer for static data member is not
a constant expression
static const int a = 3 / N;
~~^~~
Could clang report the message like gcc reports '3 / 0'? Thanks.
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[llvm-bugs] [Bug 31606] New: regression, using parent constructor enables illegal implicit casts
https://llvm.org/bugs/show_bug.cgi?id=31606
Bug ID: 31606
Summary: regression, using parent constructor enables illegal
implicit casts
Product: clang
Version: 3.9
Hardware: PC
OS: FreeBSD
Status: NEW
Severity: normal
Priority: P
Component: C++
Assignee: unassignedclangb...@nondot.org
Reporter: kamik...@bsdforen.de
CC: dgre...@apple.com, llvm-bugs@lists.llvm.org
Classification: Unclassified
Created attachment 17829
--> https://llvm.org/bugs/attachment.cgi?id=17829&action=edit
Minimal testcase
For context, here is the attached test case:
~~~
struct Base {};
struct A : Base {
using Base::Base;
bool operator ==(A const&) const;
};
struct B : Base {
using Base::Base;
};
bool foo() {
return A{} == A{} &&
A{} == B{};
}
~~~
The provided test case compiles with clang++39:
~~~
# clang++39 -std=c++11 -c test.cpp -o test.o
#
~~~
I expect it to fail, e.g. with clang++38:
~~~
# clang++38 -std=c++11 -c test.cpp -o test.o
test.cpp:14:13: error: invalid operands to binary expression ('A' and 'B')
A{} == B{};
~~~ ^ ~~~
test.cpp:5:7: note: candidate function not viable: no known conversion from 'B'
to 'const A' for 1st argument
bool operator ==(A const&) const;
^
1 error generated.
#
~~~
Or GCC:
~~~
# g++5 -std=c++11 -c test.cpp -o test.o
test.cpp: In function 'bool foo()':
test.cpp:14:13: error: no match for 'operator==' (operand types are 'A' and
'B')
A{} == B{};
^
test.cpp:5:7: note: candidate: bool A::operator==(const A&) const
bool operator ==(A const&) const;
^
test.cpp:5:7: note: no known conversion for argument 1 from 'B' to 'const A&'
#
~~~
This triggers some static_asserts() with SFINAE tests in one of my projects, it
took me a while to decouple the problem from all the template-fu.
Here is the relevant system info:
# uname -a
FreeBSD AprilRyan.norad 11.0-STABLE FreeBSD 11.0-STABLE #0 r311880: Tue Jan 10
22:24:08 CET 2017 root@AprilRyan.norad:/usr/obj/S403/amd64/usr/src/sys/S403
amd64
# clang++39 -v
clang version 3.9.1 (tags/RELEASE_391/final)
Target: x86_64-unknown-freebsd11.0
Thread model: posix
InstalledDir: /usr/local/llvm39/bin
# clang++38 -v
clang version 3.8.1 (tags/RELEASE_381/final)
Target: x86_64-unknown-freebsd11.0
Thread model: posix
InstalledDir: /usr/local/llvm38/bin
# g++5 -v
Using built-in specs.
COLLECT_GCC=g++5
COLLECT_LTO_WRAPPER=/usr/local/libexec/gcc5/gcc/x86_64-portbld-freebsd11.0/5.4.0/lto-wrapper
Target: x86_64-portbld-freebsd11.0
Configured with: /tmp/obj/usr/ports/lang/gcc5/work/gcc-5.4.0/configure
--disable-bootstrap --disable-nls --enable-gnu-indirect-function
--libdir=/usr/local/lib/gcc5 --libexecdir=/usr/local/libexec/gcc5
--program-suffix=5 --with-as=/usr/local/bin/as --with-gmp=/usr/local
--with-gxx-include-dir=/usr/local/lib/gcc5/include/c++/
--with-ld=/usr/local/bin/ld --with-pkgversion='FreeBSD Ports Collection'
--with-system-zlib --disable-libgcj --enable-languages=c,c++,objc,fortran
--prefix=/usr/local --localstatedir=/var --mandir=/usr/local/man
--infodir=/usr/local/info/gcc5 --build=x86_64-portbld-freebsd11.0
Thread model: posix
gcc version 5.4.0 (FreeBSD Ports Collection)
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[llvm-bugs] [Bug 31607] New: Clang accepts invalid code that mutates a const parameter when it is defined with a 'const' qualifier but declared without the 'const' in a class template
https://llvm.org/bugs/show_bug.cgi?id=31607
Bug ID: 31607
Summary: Clang accepts invalid code that mutates a const
parameter when it is defined with a 'const' qualifier
but declared without the 'const' in a class template
Product: clang
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: C++
Assignee: unassignedclangb...@nondot.org
Reporter: arpha...@gmail.com
CC: dgre...@apple.com, llvm-bugs@lists.llvm.org
Classification: Unclassified
Clang fails to report an error that it "cannot assign to variable 'b' with
const-qualified type" given the following piece of code:
template
struct A
{
struct B {};
const B* test (const B* b) const;
};
template
inline auto A< T >::test (const B* const b) const -> const B*
{
return ++b; // expected an error here
}
int main()
{
A<> m;
const A<>::B* b = 0;
b = m.test (b);
}
The AST dumps show that the specialisation of method test from class A has the
following parameter declaration:
ParmVarDecl 0x7fba11802228 col:26 used b 'const struct
A::B *'
but the non-specialised definition of the method test has the following
parameter declaration:
ParmVarDecl 0x7fba11800e90 col:42 referenced b 'const struct
A::B *const'
This makes me think that the error isn't reported because the 'const' qualifier
isn't given to the parameter in the specialised method definition.
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[llvm-bugs] [Bug 31608] New: Clang-CL ICE with template instantiation
https://llvm.org/bugs/show_bug.cgi?id=31608
Bug ID: 31608
Summary: Clang-CL ICE with template instantiation
Product: clang
Version: 3.9
Hardware: PC
OS: Windows NT
Status: NEW
Severity: normal
Priority: P
Component: Driver
Assignee: unassignedclangb...@nondot.org
Reporter: steve...@gmail.com
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
I don't know what is really the trigger for this, but here is the reduced
reproducer using the snapshot from http://llvm.org/builds/:
c:\dev\tmp>type source_file.cpp
class SomeType;
struct __declspec(dllexport) Base
{
public:
virtual ~Base();
};
template
struct __declspec(dllexport) MyTemplate : public Base
{
};
struct __declspec(dllexport) SubClass : public MyTemplate
{
};
template struct MyTemplate;
c:\dev\tmp>"C:\Program Files\LLVM\msbuild-bin\CL.exe" /c source_file.cpp
Assertion failed: CurFn->isDeclaration() && "Function already has body?", file
D:\src\llvm_package_291454\llvm\tools\clang\lib\CodeGen\CodeGenFunction.cpp,
line 732
Wrote crash dump file "cl.exe-8a689f.dmp"
clang-cl.exe: error: clang frontend command failed due to signal (use -v to
see invocation)
clang version 4.0.0 (trunk)
Target: x86_64-pc-windows-msvc
Thread model: posix
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[llvm-bugs] [Bug 31610] New: 4 AMDGPU tests just started to fail on Debian unstable
https://llvm.org/bugs/show_bug.cgi?id=31610
Bug ID: 31610
Summary: 4 AMDGPU tests just started to fail on Debian unstable
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Backend: AMDGPU
Assignee: unassignedb...@nondot.org
Reporter: sylves...@debian.org
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
Testing: 0 .. 10..
FAIL: LLVM :: CodeGen/AMDGPU/invalid-opencl-version-metadata1.ll (4055 of
19272)
TEST 'LLVM ::
CodeGen/AMDGPU/invalid-opencl-version-metadata1.ll' FAILED
Script:
--
/tmp/buildd/llvm-toolchain-snapshot-4.0~svn291675/build-llvm/./bin/llc
-mtriple=amdgcn--amdhsa -filetype=obj -o - <
/tmp/buildd/llvm-toolchain-snapshot-4.0~svn291675/test/CodeGen/AMDGPU/invalid-opencl-version-metadata1.ll
|
/tmp/buildd/llvm-toolchain-snapshot-4.0~svn291675/build-llvm/./bin/llvm-readobj
-amdgpu-runtime-metadata |
/tmp/buildd/llvm-toolchain-snapshot-4.0~svn291675/build-llvm/./bin/FileCheck
/tmp/buildd/llvm-toolchain-snapshot-4.0~svn291675/test/CodeGen/AMDGPU/invalid-opencl-version-metadata1.ll
--
Exit Code: 1
Command Output (stderr):
--
/tmp/buildd/llvm-toolchain-snapshot-4.0~svn291675/test/CodeGen/AMDGPU/invalid-opencl-version-metadata1.ll:4:10:
error: expected string not found in input
; CHECK: { amd.MDVersion: [ 2, 0 ] }
^
:2:1: note: scanning from here
File:
^
:8:1: note: possible intended match here
{ amd.MDVersion:
^
--
Testing: 0 .. 10..
FAIL: LLVM :: CodeGen/AMDGPU/invalid-opencl-version-metadata2.ll (4057 of
19272)
TEST 'LLVM ::
CodeGen/AMDGPU/invalid-opencl-version-metadata2.ll' FAILED
Script:
--
/tmp/buildd/llvm-toolchain-snapshot-4.0~svn291675/build-llvm/./bin/llc
-mtriple=amdgcn--amdhsa -filetype=obj -o - <
/tmp/buildd/llvm-toolchain-snapshot-4.0~svn291675/test/CodeGen/AMDGPU/invalid-opencl-version-metadata2.ll
|
/tmp/buildd/llvm-toolchain-snapshot-4.0~svn291675/build-llvm/./bin/llvm-readobj
-amdgpu-runtime-metadata |
/tmp/buildd/llvm-toolchain-snapshot-4.0~svn291675/build-llvm/./bin/FileCheck
/tmp/buildd/llvm-toolchain-snapshot-4.0~svn291675/test/CodeGen/AMDGPU/invalid-opencl-version-metadata2.ll
--
Exit Code: 1
Command Output (stderr):
--
/tmp/buildd/llvm-toolchain-snapshot-4.0~svn291675/test/CodeGen/AMDGPU/invalid-opencl-version-metadata2.ll:4:10:
error: expected string not found in input
; CHECK: { amd.MDVersion: [ 2, 0 ] }
^
:2:1: note: scanning from here
File:
^
:8:1: note: possible intended match here
{ amd.MDVersion:
^
--
Testing: 0 .. 10..
FAIL: LLVM :: CodeGen/AMDGPU/invalid-opencl-version-metadata3.ll (4060 of
19272)
TEST 'LLVM ::
CodeGen/AMDGPU/invalid-opencl-version-metadata3.ll' FAILED
Script:
--
/tmp/buildd/llvm-toolchain-snapshot-4.0~svn291675/build-llvm/./bin/llc
-mtriple=amdgcn--amdhsa -filetype=obj -o - <
/tmp/buildd/llvm-toolchain-snapshot-4.0~svn291675/test/CodeGen/AMDGPU/invalid-opencl-version-metadata3.ll
|
/tmp/buildd/llvm-toolchain-snapshot-4.0~svn291675/build-llvm/./bin/llvm-readobj
-amdgpu-runtime-metadata |
/tmp/buildd/llvm-toolchain-snapshot-4.0~svn291675/build-llvm/./bin/FileCheck
/tmp/buildd/llvm-toolchain-snapshot-4.0~svn291675/test/CodeGen/AMDGPU/invalid-opencl-version-metadata3.ll
--
Exit Code: 1
Command Output (stderr):
--
/tmp/buildd/llvm-toolchain-snapshot-4.0~svn291675/test/CodeGen/AMDGPU/invalid-opencl-version-metadata3.ll:4:10:
error: expected string not found in input
; CHECK: { amd.MDVersion: [ 2, 0 ] }
^
:2:1: note: scanning from here
File:
^
:8:1: note: possible intended match here
{ amd.MDVersion:
^
--
Testing: 0 .. 10.. 20
FAIL: LLVM :: CodeGen/AMDGPU/runtime-metadata.ll (4363 of 19272)
TEST 'LLVM :: CodeGen/AMDGPU/runtime-metadata.ll' FAILED
Script:
--
/tmp/buildd/llvm-toolchain-snapshot-4.0~svn291675/build-llvm/./bin/llc
-mtriple=amdgcn--amdhsa -filetype=obj -o - <
/tmp/buildd/llvm-toolchain-snapshot-4.0~svn291675/test/CodeGen/AMDGPU/runtime-metadata.ll
|
/tmp/buildd/llvm-toolchain-snapshot-4.0~svn291675/build-llvm/./bin/llvm-readobj
-amdgpu-runtime-metadata |
/tmp/buildd/llvm-toolchain-snapshot-4.0~svn291675/build-llvm/./bin/FileCheck
/tmp/buildd/llvm-toolchain-snapshot-4.0~svn291675/test/CodeGen/AMDGPU/runtime-metadata.ll
/tmp/buildd/llvm-toolchain-snapshot-4.0~svn291675/build-llvm/./bin/llc
-mtriple=amdgcn--amdhsa -filetype=obj -amdgpu-dump-rtmd
-amdgpu-check-rtmd-parser
/tmp/buildd/llvm-toolchain-snapshot-4.0~svn291675/test/CodeGen/AMDGPU/runtime-metadata.ll
-o - 2>&1 |
/tmp/buildd/llvm-toolchain-snapshot-4.0~svn291675/build-llvm/./bin/FileCheck
--check-prefix=CHECK --check-prefix=PARSER
/tmp/buildd/llvm-toolchain-snapshot-4.0~svn291675/test/CodeGen/AMDGPU/runt
[llvm-bugs] [Bug 31599] SLPVectorizer.cpp Assertion `(VL0->getOperand(0) == VL0->getOperand(1)) && "Invalid order"' failed.
https://llvm.org/bugs/show_bug.cgi?id=31599 Michael Kuperstein changed: What|Removed |Added Status|NEW |RESOLVED Resolution|--- |FIXED --- Comment #4 from Michael Kuperstein --- Fixed, for some definition of "fixed", in r291692. -- 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 31594] NewGVN failure while verifying memory congruency
https://llvm.org/bugs/show_bug.cgi?id=31594 Daniel Berlin changed: What|Removed |Added Status|NEW |RESOLVED Resolution|--- |FIXED --- Comment #6 from Daniel Berlin --- Should be fixed as best i can now. -- 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 30995] [META][GVN] NewGVN Integration
https://llvm.org/bugs/show_bug.cgi?id=30995 Bug 30995 depends on bug 31594, which changed state. Bug 31594 Summary: NewGVN failure while verifying memory congruency https://llvm.org/bugs/show_bug.cgi?id=31594 What|Removed |Added Status|NEW |RESOLVED Resolution|--- |FIXED -- 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 31604] clang crashes on valid code at -Os and above on x86_64-linux-gnu: Assertion `Node2Index[SU->NodeNum] > Node2Index[I->getSUnit()->NodeNum] && "Wrong topological sorting"' failed
https://llvm.org/bugs/show_bug.cgi?id=31604 Michael Kuperstein changed: What|Removed |Added Status|NEW |RESOLVED CC||mku...@google.com Resolution|--- |DUPLICATE --- Comment #1 from Michael Kuperstein --- Looks like yet another duplicate of 15941. *** This bug has been marked as a duplicate of bug 15941 *** -- 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 31611] New: error: calling 'f' with incomplete return type 'string' (aka 'std::__cxx11::basic_string, std::allocator >')
https://llvm.org/bugs/show_bug.cgi?id=31611
Bug ID: 31611
Summary: error: calling 'f' with incomplete return type
'string' (aka 'std::__cxx11::basic_string, std::allocator >')
Product: lldb
Version: 3.9
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: All Bugs
Assignee: lldb-...@lists.llvm.org
Reporter: safinas...@mail.ru
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
root@ideal-os:~# cat /o.cpp
#include
std::string
f (void)
{
return "abc";
}
int
main (void)
{
f ();
}
root@ideal-os:~# clang++-3.9 -g -o /o /o.cpp
root@ideal-os:~# lldb-3.9 /o
(lldb) target create "/o"
Current executable set to '/o' (x86_64).
(lldb) b main
Breakpoint 1: where = o`main + 12 at o.cpp:12, address = 0x0040084c
(lldb) r
Process 146 launched: '/o' (x86_64)
Process 146 stopped
* thread #1: tid = 146, 0x0040084c o`main + 12 at o.cpp:12, name = 'o',
stop reason = breakpoint 1.1
frame #0: 0x0040084c o`main + 12 at o.cpp:12
(lldb) p f ()
error: calling 'f' with incomplete return type 'string' (aka
'std::__cxx11::basic_string, std::allocator
>')
'f' declared here
forward declaration of 'std::__cxx11::basic_string, std::allocator >'
(lldb) root@ideal-os:~#
root@ideal-os:~# dpkg -l lldb-3.9 clang-3.9
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Architecture Description
+++-==---=
ii clang-3.9 1:3.9.1-2amd64C, C++ and
Objective-C compiler (LLVM based)
ii lldb-3.9 1:3.9.1-2amd64Next generation,
high-performance debugger
root@ideal-os:~# lldb-3.9 --version
lldb version 3.9.1 ( revision )
root@ideal-os:~# clang-3.9 -v
clang version 3.9.1-2 (tags/RELEASE_391/rc2)
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/5
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/5.4.1
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/6
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/6.3.0
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/5
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/5.4.1
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/6
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/6.3.0
Selected GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/6.3.0
Candidate multilib: .;@m64
Selected multilib: .;@m64
root@ideal-os:~#
debian gnu/linux sid. clang and lldb from debian repo. amd64
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[llvm-bugs] [Bug 31612] New: Cannot eval function which returns empty struct. Error [IRForTarget]: Size of result type 'struct foo { }' couldn't be determined
https://llvm.org/bugs/show_bug.cgi?id=31612
Bug ID: 31612
Summary: Cannot eval function which returns empty struct. Error
[IRForTarget]: Size of result type 'struct foo { }'
couldn't be determined
Product: lldb
Version: 3.9
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: All Bugs
Assignee: lldb-...@lists.llvm.org
Reporter: safinas...@mail.ru
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
root@ideal-os:~# cat /o.cpp
struct foo
{
};
foo
f (void)
{
return {};
}
int
main (void)
{
f ();
}
root@ideal-os:~# clang++-3.9 -std=c++11 -g -o /o /o.cpp
root@ideal-os:~# lldb-3.9 /o
(lldb) target create "/o"
Current executable set to '/o' (x86_64).
(lldb) b main
Breakpoint 1: where = o`main + 4 at o.cpp:14, address = 0x004004e4
(lldb) r
Process 366 launched: '/o' (x86_64)
Process 366 stopped
* thread #1: tid = 366, 0x004004e4 o`main + 4 at o.cpp:14, name = 'o',
stop reason = breakpoint 1.1
frame #0: 0x004004e4 o`main + 4 at o.cpp:14
(lldb) p f ()
Error [IRForTarget]: Size of result type 'struct foo {
}' couldn't be determined
error: The expression could not be prepared to run in the target
(lldb)
Environment same as in https://llvm.org/bugs/show_bug.cgi?id=31611
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[llvm-bugs] [Bug 31613] New: NewGVN asserts, "instruction processed too many times"
https://llvm.org/bugs/show_bug.cgi?id=31613
Bug ID: 31613
Summary: NewGVN asserts, "instruction processed too many times"
Product: libraries
Version: trunk
Hardware: PC
OS: Windows NT
Status: NEW
Severity: normal
Priority: P
Component: Scalar Optimizations
Assignee: unassignedb...@nondot.org
Reporter: dav...@freebsd.org
CC: dber...@dberlin.org, llvm-bugs@lists.llvm.org
Blocks: 30995
Classification: Unclassified
Reduced from one of our games (game7, for the archives).
define void @patatino() {
entry:
br label %while.body
while.body: ; preds =
%while.end129.loopexit, %entry
%foo.0237 = phi i32 [ 0, %entry ], [ -1, %while.end129.loopexit ]
br label %while.cond22.outer
while.cond22.outer: ; preds = %while.cond38,
%while.body
%foo.1.ph211 = phi i32 [ %foo.0237, %while.body ], [ %foo.2, %while.cond38 ]
br label %while.cond22.outer212
while.cond22.outer212:; preds = %if.else,
%while.cond22.outer
%foo.1.ph214 = phi i32 [ %foo.1.ph211, %while.cond22.outer ], [
%foo.2.lcssa253, %if.else ]
br i1 undef, label %while.end129.loopexit, label %if.end31.us
if.end31.us: ; preds =
%while.cond22.outer212
br label %while.body37
while.body37: ; preds = %cleanup,
%if.end31.us
%foo.2 = phi i32 [ %foo.4, %cleanup ], [ %foo.1.ph214, %if.end31.us ]
br label %while.cond38
while.cond38: ; preds = %land.rhs47,
%while.body37
switch i8 undef, label %land.rhs47 [
i8 0, label %while.cond22.outer
i8 10, label %lor.lhs.false
]
land.rhs47: ; preds = %while.cond38
br label %while.cond38
lor.lhs.false:; preds = %while.cond38
br i1 undef, label %if.then70, label %if.else
if.then70:; preds = %lor.lhs.false
br i1 undef, label %if.then77, label %cleanup
if.then77:; preds = %if.then70
br label %cleanup
if.else: ; preds = %lor.lhs.false
%foo.2.lcssa253 = phi i32 [ %foo.2, %lor.lhs.false ]
br label %while.cond22.outer212
cleanup: ; preds = %if.then77,
%if.then70
%foo.4 = phi i32 [ undef, %if.then77 ], [ %foo.2, %if.then70 ]
br label %while.body37
while.end129.loopexit:; preds =
%while.cond22.outer212
br label %while.body
}
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[llvm-bugs] [Bug 31614] New: possible bad code generation
https://llvm.org/bugs/show_bug.cgi?id=31614 Bug ID: 31614 Summary: possible bad code generation Product: clang Version: 3.9 Hardware: PC OS: Linux Status: NEW Severity: normal Priority: P Component: LLVM Codegen Assignee: unassignedclangb...@nondot.org Reporter: clay.tryc...@gmail.com CC: llvm-bugs@lists.llvm.org Classification: Unclassified Created attachment 17832 --> https://llvm.org/bugs/attachment.cgi?id=17832&action=edit repro When compiling the attached code with -O2 -std=c++14 the generated assembly seems to be incorrect (I tried to rule out undefined behavior, but if I missed something please let me know). Specifically, test_function starts with some code that seems like it can randomly set al to 0 or 1 depending on rax: testrax, rax setns al The other instance of test/setns also seems suspicious. Some more details can be found here: http://stackoverflow.com/questions/41597341/mapping-c-to-assembly https://godbolt.org/g/ccrV7m Please let me know if you need any other information. -- 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 31412] SCEV unable to infer loop max bound for remainder loops
https://llvm.org/bugs/show_bug.cgi?id=31412 Michael Kuperstein changed: What|Removed |Added Status|NEW |RESOLVED Resolution|--- |FIXED --- Comment #4 from Michael Kuperstein --- Argh, my bad (I rebuilt clang, but didn't rebuild opt), thanks a lot! -- 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 31515] test-suite/MultiSource/Benchmarks/mediabench/jpeg/jpeg-6a/cjpeg.execution_time fails for KNL target starting from r289653
https://llvm.org/bugs/show_bug.cgi?id=31515 Elad Cohen changed: What|Removed |Added Status|NEW |RESOLVED Resolution|--- |FIXED -- 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
