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DIBuilder: simplify array generation to produce true zero-length arrays

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For some anachronistic reason we were producing {i32 0} for zero-length
debug info arrays.

(this change is paired with a Clang change and may cause temporary
buildbot noise)

Let's not.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200721 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Blaikie 2014-02-03 23:08:54 +00:00
parent 2a3e343d86
commit 3f7a92d33d
1 changed files with 0 additions and 4 deletions
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4
lib/IR/DIBuilder.cpp
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@ -902,10 +902,6 @@ DIBuilder::createForwardDecl(unsigned Tag, StringRef Name, DIDescriptor Scope,
/// getOrCreateArray - Get a DIArray, create one if required.
DIArray DIBuilder::getOrCreateArray(ArrayRef<Value *> Elements) {
if (Elements.empty()) {
Value *Null = Constant::getNullValue(Type::getInt32Ty(VMContext));
return DIArray(MDNode::get(VMContext, Null));
}
return DIArray(MDNode::get(VMContext, Elements));
}