aboutsummaryrefslogtreecommitdiff
path: root/lib/CodeGen/CGExprConstant.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'lib/CodeGen/CGExprConstant.cpp')
-rw-r--r--lib/CodeGen/CGExprConstant.cpp9
1 files changed, 6 insertions, 3 deletions
diff --git a/lib/CodeGen/CGExprConstant.cpp b/lib/CodeGen/CGExprConstant.cpp
index ee0d9a4a81..c68225b5ec 100644
--- a/lib/CodeGen/CGExprConstant.cpp
+++ b/lib/CodeGen/CGExprConstant.cpp
@@ -590,8 +590,8 @@ public:
// Build a struct with the union sub-element as the first member,
// and padded to the appropriate size
- std::vector<llvm::Constant*> Elts;
- std::vector<llvm::Type*> Types;
+ SmallVector<llvm::Constant*, 2> Elts;
+ SmallVector<llvm::Type*, 2> Types;
Elts.push_back(C);
Types.push_back(C->getType());
unsigned CurSize = CGM.getTargetData().getTypeAllocSize(C->getType());
@@ -689,7 +689,6 @@ public:
isa<ObjCEncodeExpr>(ILE->getInit(0))))
return Visit(ILE->getInit(0));
- std::vector<llvm::Constant*> Elts;
llvm::ArrayType *AType =
cast<llvm::ArrayType>(ConvertType(ILE->getType()));
llvm::Type *ElemTy = AType->getElementType();
@@ -700,6 +699,8 @@ public:
unsigned NumInitableElts = std::min(NumInitElements, NumElements);
// Copy initializer elements.
+ std::vector<llvm::Constant*> Elts;
+ Elts.reserve(NumInitableElts + NumElements);
unsigned i = 0;
bool RewriteType = false;
for (; i < NumInitableElts; ++i) {
@@ -727,6 +728,7 @@ public:
if (RewriteType) {
// FIXME: Try to avoid packing the array
std::vector<llvm::Type*> Types;
+ Types.reserve(NumInitableElts + NumElements);
for (unsigned i = 0, e = Elts.size(); i < e; ++i)
Types.push_back(Elts[i]->getType());
llvm::StructType *SType = llvm::StructType::get(AType->getContext(),
@@ -1132,6 +1134,7 @@ llvm::Constant *CodeGenModule::EmitConstantValue(const APValue &Value,
if (!CommonElementType) {
// FIXME: Try to avoid packing the array
std::vector<llvm::Type*> Types;
+ Types.reserve(NumElements);
for (unsigned i = 0, e = Elts.size(); i < e; ++i)
Types.push_back(Elts[i]->getType());
llvm::StructType *SType = llvm::StructType::get(VMContext, Types, true);