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Change GetPointerBaseWithConstantOffset's DataLayout argument from a

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reference to a pointer, so that it can handle the case where DataLayout
is not available and behave conservatively.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174024 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2013-01-31 02:00:45 +00:00
parent 8ed701da9a
commit a070d2a035
8 changed files with 60 additions and 61 deletions
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4
include/llvm/Analysis/ValueTracking.h
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@@ -117,10 +117,10 @@ namespace llvm {
/// it can be expressed as a base pointer plus a constant offset. Return the
/// base and offset to the caller.
Value *GetPointerBaseWithConstantOffset(Value *Ptr, int64_t &Offset,
const DataLayout &TD);
const DataLayout *TD);
static inline const Value *
GetPointerBaseWithConstantOffset(const Value *Ptr, int64_t &Offset,
const DataLayout &TD) {
const DataLayout *TD) {
return GetPointerBaseWithConstantOffset(const_cast<Value*>(Ptr), Offset,TD);
}