[LLVMbugs] [Bug 20938] New: ConstantAggregateZero missing from LLVM-C interface

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=20938

            Bug ID: 20938
           Summary: ConstantAggregateZero missing from LLVM-C interface
           Product: new-bugs
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: achurch+llvm at achurch.org
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

There currently seems to be no function in the LLVM-C interface which returns a
ConstantAggregateZero value, such as would be used in constructing IR
equivalent to "@a = global [42 x i32] zeroinitializer" or the like.

Something like the following in lib/IR/Core.cpp ought to suffice:

LLVMValueRef LLVMConstAggregateZero(LLVMTypeRef Ty)
{
    return wrap(ConstantAggregateZero::get(unwrap(Ty)));
}

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