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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78652 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2009-08-11 06:46:31 +00:00
parent 9d3627ea27
commit ae709eaeb1
3 changed files with 32 additions and 0 deletions
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8
lib/Linker/LinkModules.cpp
View File

@ -395,6 +395,14 @@ static Value *RemapOperand(const Value *In,
assert(!isa<GlobalValue>(CPV) && "Unmapped global?");
llvm_unreachable("Unknown type of derived type constant value!");
}
} else if (const MDNode *N = dyn_cast<MDNode>(In)) {
std::vector<Value*> Elems;
for (unsigned i = 0, e = N->getNumElements(); i !=e; ++i)
Elems.push_back(RemapOperand(N->getElement(i), ValueMap, Context));
if (!Elems.empty())
Result = MDNode::get(Context, &Elems[0], Elems.size());
} else if (const MDString *MDS = dyn_cast<MDString>(In)) {
Result = MDString::get(Context, MDS->getString());
} else if (isa<InlineAsm>(In)) {
Result = const_cast<Value*>(In);
}

12
test/Linker/linkmdnode.ll Normal file
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@ -0,0 +1,12 @@
; RUN: llvm-as < %s > %t.bc
; RUN: llvm-as < %p/linkmdnode2.ll > %t2.bc
; RUN: llvm-link %t.bc %t2.bc
!21 = metadata !{i32 42, metadata !"foobar"}
declare i8 @llvm.something(metadata %a)
define void @foo() {
%x = call i8 @llvm.something(metadata !21)
ret void
}

12
test/Linker/linkmdnode2.ll Normal file
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@ -0,0 +1,12 @@
; This file is used by linkmdnode.ll, so it doesn't actually do anything itself
;
; RUN: true
!22 = metadata !{i32 42, metadata !"foobar"}
declare i8 @llvm.something(metadata %a)
define void @foo1() {
;; Intrinsic using MDNode and MDString
%x = call i8 @llvm.something(metadata !22)
ret void
}