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add a method to get the alignment of an integer type even

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when we don't have one laying around.  Useful if you don't
have an llvmcontext handy.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94468 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-01-25 23:18:11 +00:00
parent aeb326aad7
commit da63b3ad63
2 changed files with 12 additions and 0 deletions
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5
include/llvm/Target/TargetData.h
View File

@ -225,6 +225,11 @@ public:
/// specified type. /// specified type.
unsigned char getABITypeAlignment(const Type *Ty) const; unsigned char getABITypeAlignment(const Type *Ty) const;
/// getABIIntegerTypeAlignment - Return the minimum ABI-required alignment for
/// an integer type of the specified bitwidth.
unsigned char getABIIntegerTypeAlignment(unsigned BitWidth) const;
/// getCallFrameTypeAlignment - Return the minimum ABI-required alignment /// getCallFrameTypeAlignment - Return the minimum ABI-required alignment
/// for the specified type when it is part of a call frame. /// for the specified type when it is part of a call frame.
unsigned char getCallFrameTypeAlignment(const Type *Ty) const; unsigned char getCallFrameTypeAlignment(const Type *Ty) const;

7
lib/Target/TargetData.cpp
View File

@ -545,6 +545,13 @@ unsigned char TargetData::getABITypeAlignment(const Type *Ty) const {
return getAlignment(Ty, true); return getAlignment(Ty, true);
} }
/// getABIIntegerTypeAlignment - Return the minimum ABI-required alignment for
/// an integer type of the specified bitwidth.
unsigned char TargetData::getABIIntegerTypeAlignment(unsigned BitWidth) const {
return getAlignmentInfo(INTEGER_ALIGN, BitWidth, true, 0);
}
unsigned char TargetData::getCallFrameTypeAlignment(const Type *Ty) const { unsigned char TargetData::getCallFrameTypeAlignment(const Type *Ty) const {
for (unsigned i = 0, e = Alignments.size(); i != e; ++i) for (unsigned i = 0, e = Alignments.size(); i != e; ++i)
if (Alignments[i].AlignType == STACK_ALIGN) if (Alignments[i].AlignType == STACK_ALIGN)