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IR: MDNode => Value: Instruction::getMetadata()

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Change `Instruction::getMetadata()` to return `Value` as part of
PR21433.

Update most callers to use `Instruction::getMDNode()`, which wraps the
result in a `cast_or_null<MDNode>`.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221024 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith
2014-11-01 00:10:31 +00:00
parent 9ed44978ef
commit 3a84a6377c
22 changed files with 82 additions and 85 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/Analysis/TypeBasedAliasAnalysis.cpp
+13 -15
View File
@@ -493,7 +493,7 @@ TypeBasedAliasAnalysis::getModRefBehavior(ImmutableCallSite CS) {
// If this is an "immutable" type, we can assume the call doesn't write
// to memory.
if (const MDNode *M = CS.getInstruction()->getMetadata(LLVMContext::MD_tbaa))
if (const MDNode *M = CS.getInstruction()->getMDNode(LLVMContext::MD_tbaa))
if ((!isStructPathTBAA(M) && TBAANode(M).TypeIsImmutable()) ||
(isStructPathTBAA(M) && TBAAStructTagNode(M).TypeIsImmutable()))
Min = OnlyReadsMemory;
@@ -514,8 +514,7 @@ TypeBasedAliasAnalysis::getModRefInfo(ImmutableCallSite CS,
return AliasAnalysis::getModRefInfo(CS, Loc);
if (const MDNode *L = Loc.AATags.TBAA)
if (const MDNode *M =
CS.getInstruction()->getMetadata(LLVMContext::MD_tbaa))
if (const MDNode *M = CS.getInstruction()->getMDNode(LLVMContext::MD_tbaa))
if (!Aliases(L, M))
return NoModRef;
@@ -528,10 +527,9 @@ TypeBasedAliasAnalysis::getModRefInfo(ImmutableCallSite CS1,
if (!EnableTBAA)
return AliasAnalysis::getModRefInfo(CS1, CS2);
if (const MDNode *M1 =
CS1.getInstruction()->getMetadata(LLVMContext::MD_tbaa))
if (const MDNode *M1 = CS1.getInstruction()->getMDNode(LLVMContext::MD_tbaa))
if (const MDNode *M2 =
CS2.getInstruction()->getMetadata(LLVMContext::MD_tbaa))
CS2.getInstruction()->getMDNode(LLVMContext::MD_tbaa))
if (!Aliases(M1, M2))
return NoModRef;
@@ -614,21 +612,21 @@ MDNode *MDNode::getMostGenericTBAA(MDNode *A, MDNode *B) {
void Instruction::getAAMetadata(AAMDNodes &N, bool Merge) const {
if (Merge)
N.TBAA = MDNode::getMostGenericTBAA(N.TBAA,
getMetadata(LLVMContext::MD_tbaa));
N.TBAA =
MDNode::getMostGenericTBAA(N.TBAA, getMDNode(LLVMContext::MD_tbaa));
else
N.TBAA = getMetadata(LLVMContext::MD_tbaa);
N.TBAA = getMDNode(LLVMContext::MD_tbaa);
if (Merge)
N.Scope = MDNode::intersect(N.Scope,
getMetadata(LLVMContext::MD_alias_scope));
N.Scope =
MDNode::intersect(N.Scope, getMDNode(LLVMContext::MD_alias_scope));
else
N.Scope = getMetadata(LLVMContext::MD_alias_scope);
N.Scope = getMDNode(LLVMContext::MD_alias_scope);
if (Merge)
N.NoAlias = MDNode::intersect(N.NoAlias,
getMetadata(LLVMContext::MD_noalias));
N.NoAlias =
MDNode::intersect(N.NoAlias, getMDNode(LLVMContext::MD_noalias));
else
N.NoAlias = getMetadata(LLVMContext::MD_noalias);
N.NoAlias = getMDNode(LLVMContext::MD_noalias);
}