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Add the asmjs-unknown-emscripten triple #1
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General question, could we land this at any time, as it just adds a triple, and so will not break older emscripten using the older triple? |
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Yes. I haven't tested it, but this should work. On Mon, Feb 24, 2014 at 11:56 AM, Alon Zakai notifications@github.comwrote:
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I am ready to merge this, but waiting on it's 2 sibling pushes to we get them all merged at once. |
added 2 commits
February 24, 2014 17:32
Notable changes from le32-unknown-nacl so far include: - Set i32 as the legal integer set, to help the optimizer avoid creating needlessly inefficient code for asm.js. - We can use llvm.pow. - Don't predefine __ELF__ or __pnacl__ so that we don't need to undefine them later. - Do predefine asm.js and Emscripten macros, so that we don't need to define them later. - Don't provide __has_feature(pnacl).
This is pretty minimal right now; eventually this may subsume code currently in the emscripten wrapper scripts.
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Merged to incoming. |
kripken
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Nov 18, 2014
…86_64-unknown-unknown. It would emit @llvm.memcpy with "-triple x86_64-(mingw32|win32)" and had been failing since Nick's r185735. ; Function Attrs: nounwind declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1) #1 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@185796 91177308-0d34-0410-b5e6-96231b3b80d8
kripken
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Nov 18, 2014
Sample output:
0. Program arguments: ...
1. <eof> parser at end of file
2. While analyzing stack:
#0 void inlined()
#1 void test()
3. crash-trace.c:6:3: Error evaluating statement
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@186639 91177308-0d34-0410-b5e6-96231b3b80d8
kripken
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Jan 7, 2015
Due to what can only be described as a CRT bug, stdout and amazingly even stderr are not always flushed upon process termination, especially when the system is under high threading pressure. I have found two repros for this: 1) In lib\Support\Threading.cpp, change sys::Mutex to an std::recursive_mutex and run check-clang. Usually between 30 and 40 tests will fail. 2) Add OutputDebugStrings in code that runs during static initialization and static shutdown. This will sometimes generate similar failures. After a substantial amount of troubleshooting and debugging, I found that I could reproduce this from the command line without running check-clang. Simply make the mutex change described in #1, then manually run the following command many times by running it once, then pressing Up -> Enter very quickly: D:\src\llvm\build\vs2013\Debug\bin\c-index-test.EXE -cursor-at=D:\src\llvm\tools\clang\test\Index\targeted-preamble.h:2:15 D:\src\llvm\tools\clang\test\Index\targeted-cursor.c -include D:\src\llvm\build\vs2013\tools\clang\test\Index\Output\targeted-cursor.c.tmp.h -Xclang -error-on-deserialized-decl=NestedVar1 -Xclang -error-on-deserialized-decl=TopVar | D:\src\llvm\build\vs2013\Debug\bin\FileCheck.EXE D:\src\llvm\tools\clang\test\Index\targeted-cursor.c -check-prefix=PREAMBLE-CURSOR1 Sporadically they will fail, and attaching a debugger to a failed instance indicates that stdin of FileCheck.exe is empty. Note that due to the repro in #2, we can rule out a bug in the STL's mutex implementation, and instead conclude that this is a real flake in the windows test harness. Test Plan: Without patch: Ran check-clang 10 times and saw over 30 Unexpected failures on every run. With patch: Ran check-clang 10 times and saw 0 unexpected failures across all runs. Reviewers: rnk Differential Revision: http://reviews.llvm.org/D4021 Patch by Zachary Turner! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@210225 91177308-0d34-0410-b5e6-96231b3b80d8
kripken
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Aug 9, 2016
Summary: The switch statement could be added to the hasCondition matcher. Example: ``` clang-query> match switchStmt(hasCondition(ignoringImpCasts(declRefExpr()))) ``` Output: ``` Match #1: Binding for "root": SwitchStmt 0x2f9b528 </usr/local/google/home/etienneb/examples/enum.cc:35:3, line:38:3> |-<<<NULL>>> |-ImplicitCastExpr 0x2f9b510 <line:35:11> 'int' <IntegralCast> | `-ImplicitCastExpr 0x2f9b4f8 <col:11> 'enum Color' <LValueToRValue> | `-DeclRefExpr 0x2f9b4d0 <col:11> 'enum Color' lvalue Var 0x2f9a118 'C' 'enum Color' `-CompoundStmt 0x2f9b610 <col:14, line:38:3> |-CaseStmt 0x2f9b578 <line:36:3, col:22> | |-ImplicitCastExpr 0x2f9b638 <col:8> 'int' <IntegralCast> | | `-DeclRefExpr 0x2f9b550 <col:8> 'enum Size' EnumConstant 0x2f99e40 'Small' 'enum Size' | |-<<<NULL>>> | `-ReturnStmt 0x2f9b5d0 <col:15, col:22> | `-IntegerLiteral 0x2f9b5b0 <col:22> 'int' 1 `-DefaultStmt 0x2f9b5f0 <line:37:3, col:12> `-BreakStmt 0x2f9b5e8 <col:12> 1 match. ``` Reviewers: aaron.ballman, sbenza, klimek Subscribers: klimek, cfe-commits Differential Revision: http://reviews.llvm.org/D20767 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@271208 91177308-0d34-0410-b5e6-96231b3b80d8
juj
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Jan 31, 2018
Summary: The test being added in this patch used to cause an assertion failure: /build/./bin/clang -cc1 -internal-isystem /build/lib/clang/5.0.0/include -nostdsysteminc -verify -fsyntax-only -std=c++11 -Wshadow-all /src/tools/clang/test/SemaCXX/warn-shadow.cpp -- Exit Code: 134 Command Output (stderr): -- clang: /src/tools/clang/lib/AST/ASTDiagnostic.cpp:424: void clang::FormatASTNodeDiagnosticArgument(DiagnosticsEngine::ArgumentKind, intptr_t, llvm::StringRef, llvm::StringRef, ArrayRef<DiagnosticsEngine::ArgumentValue>, SmallVectorImpl<char> &, void *, ArrayRef<intptr_t>): Assertion `isa<NamedDecl>(DC) && "Expected a NamedDecl"' failed. #0 0x0000000001c7a1b4 PrintStackTraceSignalHandler(void*) (/build/./bin/clang+0x1c7a1b4) #1 0x0000000001c7a4e6 SignalHandler(int) (/build/./bin/clang+0x1c7a4e6) #2 0x00007f30880078d0 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0xf8d0) #3 0x00007f3087054067 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x35067) #4 0x00007f3087055448 abort (/lib/x86_64-linux-gnu/libc.so.6+0x36448) #5 0x00007f308704d266 (/lib/x86_64-linux-gnu/libc.so.6+0x2e266) #6 0x00007f308704d312 (/lib/x86_64-linux-gnu/libc.so.6+0x2e312) #7 0x00000000035b7f22 clang::FormatASTNodeDiagnosticArgument(clang::DiagnosticsEngine::ArgumentKind, long, llvm::StringRef, llvm::StringRef, llvm::ArrayRef<std::pair<clang::DiagnosticsEngine::ArgumentKind, long> >, llvm::SmallVectorImpl<char>&, void*, llvm::ArrayRef<long>) (/build/ ./bin/clang+0x35b7f22) #8 0x0000000001ddbae4 clang::Diagnostic::FormatDiagnostic(char const*, char const*, llvm::SmallVectorImpl<char>&) const (/build/./bin/clang+0x1ddbae4) #9 0x0000000001ddb323 clang::Diagnostic::FormatDiagnostic(char const*, char const*, llvm::SmallVectorImpl<char>&) const (/build/./bin/clang+0x1ddb323) #10 0x00000000022878a4 clang::TextDiagnosticBuffer::HandleDiagnostic(clang::DiagnosticsEngine::Level, clang::Diagnostic const&) (/build/./bin/clang+0x22878a4) #11 0x0000000001ddf387 clang::DiagnosticIDs::ProcessDiag(clang::DiagnosticsEngine&) const (/build/./bin/clang+0x1ddf387) #12 0x0000000001dd9dea clang::DiagnosticsEngine::EmitCurrentDiagnostic(bool) (/build/./bin/clang+0x1dd9dea) #13 0x0000000002cad00c clang::Sema::EmitCurrentDiagnostic(unsigned int) (/build/./bin/clang+0x2cad00c) #14 0x0000000002d91cd2 clang::Sema::CheckShadow(clang::NamedDecl*, clang::NamedDecl*, clang::LookupResult const&) (/build/./bin/clang+0x2d91cd2) Stack dump: 0. Program arguments: /build/./bin/clang -cc1 -internal-isystem /build/lib/clang/5.0.0/include -nostdsysteminc -verify -fsyntax-only -std=c++11 -Wshadow-all /src/tools/clang/test/SemaCXX/warn-shadow.cpp 1. /src/tools/clang/test/SemaCXX/warn-shadow.cpp:214:23: current parser token ';' 2. /src/tools/clang/test/SemaCXX/warn-shadow.cpp:213:26: parsing function body 'handleLinkageSpec' 3. /src/tools/clang/test/SemaCXX/warn-shadow.cpp:213:26: in compound statement ('{}') /build/tools/clang/test/SemaCXX/Output/warn-shadow.cpp.script: line 1: 15595 Aborted (core dumped) /build/./bin/clang -cc1 -internal-isystem /build/lib/clang/5.0.0/include -nostdsysteminc -verify -fsyntax-only -std=c++11 -Wshadow-all /src/tools/clang/test/SemaCXX/warn-shadow.cpp Reviewers: rsmith Reviewed By: rsmith Subscribers: krytarowski, cfe-commits Differential Revision: https://reviews.llvm.org/D33207 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@303325 91177308-0d34-0410-b5e6-96231b3b80d8
juj
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Jan 31, 2018
Consider:
struct MyClass {
void f() {}
}
MyClass::f(){} // expected error redefinition of f. #1
Some clients (eg. cling) need to call removeDecl for the redefined (#1) decl.
This patch enables us to remove the lookup entry is registered in the semantic
decl context and not in the primary decl context of the lexical decl context
where we currently are trying to remove it from.
It is not trivial to test this piece and writing a full-blown unit test seems
too much.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@305799 91177308-0d34-0410-b5e6-96231b3b80d8
kripken
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May 25, 2018
This is a follow-on to D40724 (Wasm entrypoint changes #1, add `--undefined` argument to LLD). Patch by Nicholas Wilson Differential Revision: https://reviews.llvm.org/D40739 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@319623 91177308-0d34-0410-b5e6-96231b3b80d8
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This patch series introduces the new asmjs-unknown-emscripten triple, and introduces the beginning of a proper Emscripten ToolChain in clang. See the patch descriptions for details.
This patch series depends on corresponding patches in the emscripten-fastcomp and emscripten repositories.