Add getABITypeSize, getABITypeSizeInBits
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42488 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/Target/TargetData.h b/include/llvm/Target/TargetData.h
index f2e55f1..026749f 100644
--- a/include/llvm/Target/TargetData.h
+++ b/include/llvm/Target/TargetData.h
@@ -159,10 +159,23 @@
/// type.
uint64_t getTypeSize(const Type *Ty) const;
+ /// getABITypeSize - Return the number of bytes allocated for the specified
+ /// type when used as an element in a larger object, including alignment
+ /// padding.
+ uint64_t getABITypeSize(const Type *Ty) const {
+ unsigned char Align = getABITypeAlignment(Ty);
+ return (getTypeSize(Ty) + Align - 1)/Align*Align;
+ }
+
/// getTypeSizeInBits - Return the number of bits necessary to hold the
/// specified type.
uint64_t getTypeSizeInBits(const Type* Ty) const;
+ /// getABITypeSizeInBits - Return the number of bytes allocated for the
+ /// specified type when used as an element in a larger object, including
+ /// alignment padding.
+ uint64_t getABITypeSizeInBits(const Type* Ty) const;
+
/// getABITypeAlignment - Return the minimum ABI-required alignment for the
/// specified type.
unsigned char getABITypeAlignment(const Type *Ty) const;
diff --git a/lib/Target/TargetData.cpp b/lib/Target/TargetData.cpp
index 3028426..0bdb23b 100644
--- a/lib/Target/TargetData.cpp
+++ b/lib/Target/TargetData.cpp
@@ -471,7 +471,12 @@
return getTypeSize(Ty) * 8;
}
-
+uint64_t TargetData::getABITypeSizeInBits(const Type *Ty) const {
+ if (Ty->isInteger())
+ return cast<IntegerType>(Ty)->getBitWidth();
+ else
+ return getABITypeSize(Ty) * 8;
+}
/*!
\param abi_or_pref Flag that determines which alignment is returned. true
returns the ABI alignment, false returns the preferred alignment.