dcci

[1984/2575] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/clangCodeGen.dir/CGExprScalar.cpp.o
FAILED: /usr/bin/CC   -DCLANG_ENABLE_ARCMT -DCLANG_ENABLE_OBJC_REWRITER -DCLANG_ENABLE_STATIC_ANALYZER -DGTEST_HAS_RTTI=0 -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -fPIC -fvisibility-inlines-hidden -Wall -W -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wcovered-switch-default -Wnon-virtual-dtor -std=c++11 -fcolor-diagnostics -ffunction-sections -fdata-sections -fno-common -Woverloaded-virtual -Wno-nested-anon-types -Itools/clang/lib/CodeGen -I../tools/clang/lib/CodeGen -I../tools/clang/include -Itools/clang/include -Iinclude -I../include -I/usr/local/include     -fno-exceptions -fno-rtti -MMD -MT tools/clang/lib/CodeGen/CMakeFiles/clangCodeGen.dir/CGExprScalar.cpp.o -MF tools/clang/lib/CodeGen/CMakeFiles/clangCodeGen.dir/CGExprScalar.cpp.o.d -o tools/clang/lib/CodeGen/CMakeFiles/clangCodeGen.dir/CGExprScalar.

dcci

 % cat template.cpp
template<class T>
class X {
  T f(T x) { return x; }

  T foo(void);
};

template<class T>
T X::foo(void)

dcci

#include <assert.h>
#include <link.h>
#include <dlfcn.h>
#include <stdio.h>
#include <pthread.h>

static int
callback(struct dl_phdr_info *info, size_t size, void *data)
{
  void *handle;

dcci

[davide@localhost bin]$ g++ blah.cpp -o blah
blah.cpp: In function ‘int main()’:
blah.cpp:10:9: error: ‘union’ tag used in naming ‘struct G<int>’ [-fpermissive]
   union G<int> foo;
         ^
blah.cpp:4:7: note: ‘struct G<int>’ was previously declared here
 class G {
       ^
[davide@localhost bin]$ cat blah.cpp
#include <stdio.h>

dcci

*** Dumping AST Record Layout
         0 | class llvm::DILocalVariable
         0 |   class llvm::DIVariable (base)
         0 |     class llvm::DINode (base)
         0 |       class llvm::MDNode (base)
         0 |         class llvm::Metadata (base)
         0 |           const unsigned char SubclassID
     1:0-1 |           unsigned int Storage
         2 |           unsigned short SubclassData16
         4 |           unsigned int SubclassData32

dcci

#include <limits.h>
#include <malloc.h>
#include <new.h>
#include <windows.h>
#include <stddef.h>
#include <stdio.h>

namespace {
	const size_t kWindowsPageSize = 4096;
	const size_t kMaxWindowsAllocation = INT_MAX - kWindowsPageSize;

dcci

#include <math.h>
#include <stdio.h>

int main(void) {
  // pow(x, 0.5) -> sqrt(x)
  printf("%f %f\n", pow(-0.0, 0.5), sqrt(-0.0));

  return (0);
}

dcci

Delta:

$ cat check-2.sh 
#!/bin/bash

ulimit -t 3; ~/work/llvm/build-release/bin/opt -S $1 | ~/work/llvm/build-release/bin/lli
if ! test "$?" = "0"; then
  exit 1
fi

dcci

#!/bin/sh

/home/davide/work/llvm-monorepo/build/bin/opt @$1 /home/davide/work/llvm-monorepo/build/bin/unopt.ll -o - | /home/davide/work/llvm-monorepo/build/bin/lli | grep ^1
ret_sane=$?
/home/davide/work/llvm-monorepo/build/bin/opt-broken @$1 /home/davide/work/llvm-monorepo/build/bin/unopt.ll -o - | /home/davide/work/llvm-monorepo/build/bin/lli | grep ^-1
ret_broken=$?

[[ $ret_sane == 0 && $ret_broken == 0 ]] && exit 0
exit 1

dcci

[davide@localhost build]$ ninja check-llvm
[573/2081] Building CXX object lib/Transfor...ar/CMakeFiles/LLVMScalarOpts.dir/SCCP.cpp.o
FAILED: /usr/lib64/ccache/c++   -DGTEST_HAS_RTTI=0 -D_DEBUG -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -Ilib/Transforms/Scalar -I../lib/Tran
sforms/Scalar -Iinclude -I../include -fPIC -fvisibility-inlines-hidden -Wall -W -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wno-missing-field-initializers -pedantic -Wno-long
-long -Wno-maybe-uninitialized -Wdelete-non-virtual-dtor -Wno-comment -Werror=date-time -std=c++11 -g    -fno-exceptions -fno-rtti -MMD -MT lib/Transforms/Scalar/CMakeFiles/LLVMScal
arOpts.dir/SCCP.cpp.o -MF lib/Transforms/Scalar/CMakeFiles/LLVMScalarOpts.dir/SCCP.cpp.o.d -o lib/Transforms/Scalar/CMakeFiles/LLVMScalarOpts.dir/SCCP.cpp.o -c ../lib/Transforms/Sca
lar/SCCP.cpp
../lib/Transforms/Scalar/SCCP.cpp: In member function ‘void {anonymous}::SCCPSolver::markOverdefined({anonymous}::LatticeVal&, llvm::Value*)’:
../lib/