http://llvm.org/bugs/show_bug.cgi?id=4678
Summary: "arguments were dropped" waring
Product: libraries
Version: trunk
Platform: PC
OS/Version: All
Status: NEW
Severity: normal
Priority: P2
Component: Interprocedural Optimizations
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Compiling the c++ program
void a(...) {
}
void b() {
a(0);
}
produces the warning
WARNING: While resolving call to function '_Z1az' arguments were dropped!
At the llvm level this looks like
define void @_Z1az() {
entry:
ret void
}
define void @_Z1bv() nounwind {
entry:
call void (...)* bitcast (void ()* @_Z1az to void (...)*)(i32 0)
nounwind
ret void
}
and the warning can be produced with
opt -std-compile-opts test.bc -disable-output
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