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Implement a getTypeSizeInBits method. This helps in transforms that want

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to ensure the bit size of a type is identical before proceeding.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33413 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer 2007-01-20 23:32:04 +00:00
parent 2c1ce4f28e
commit 7c29243670
2 changed files with 14 additions and 0 deletions
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4
include/llvm/Target/TargetData.h
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@ -221,6 +221,10 @@ public:
/// ///
uint64_t getTypeSize(const Type *Ty) const; uint64_t getTypeSize(const Type *Ty) const;
/// getTypeSizeInBits - Return the number of bytes necessary to hold the
/// specified type.
uint64_t getTypeSizeInBits(const Type* Ty) const;
/// getTypeAlignmentABI - Return the minimum ABI-required alignment for the /// getTypeAlignmentABI - Return the minimum ABI-required alignment for the
/// specified type. /// specified type.
unsigned char getTypeAlignmentABI(const Type *Ty) const; unsigned char getTypeAlignmentABI(const Type *Ty) const;

10
lib/Target/TargetData.cpp
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@ -426,6 +426,16 @@ uint64_t TargetData::getTypeSize(const Type *Ty) const {
return Size; return Size;
} }
uint64_t TargetData::getTypeSizeInBits(const Type *Ty) const {
if (Ty->isInteger())
return cast<IntegerType>(Ty)->getBitWidth();
uint64_t Size;
unsigned char Align;
getTypeInfoABI(Ty, this, Size, Align);
return Size * 8;
}
unsigned char TargetData::getTypeAlignmentABI(const Type *Ty) const { unsigned char TargetData::getTypeAlignmentABI(const Type *Ty) const {
uint64_t Size; uint64_t Size;
unsigned char Align; unsigned char Align;