[llvm-commits] CVS: llvm/lib/Target/TargetData.cpp
Chris Lattner
lattner at cs.uiuc.edu
Tue Aug 17 12:13:11 PDT 2004
Changes in directory llvm/lib/Target:
TargetData.cpp updated: 1.50 -> 1.51
---
Log message:
Add a new helper method to get log2(type alignment)
---
Diffs of the changes: (+7 -0)
Index: llvm/lib/Target/TargetData.cpp
diff -u llvm/lib/Target/TargetData.cpp:1.50 llvm/lib/Target/TargetData.cpp:1.51
--- llvm/lib/Target/TargetData.cpp:1.50 Thu Jul 22 20:09:52 2004
+++ llvm/lib/Target/TargetData.cpp Tue Aug 17 14:13:00 2004
@@ -21,6 +21,7 @@
#include "llvm/DerivedTypes.h"
#include "llvm/Constants.h"
#include "llvm/Support/GetElementPtrTypeIterator.h"
+#include "Support/MathExtras.h"
using namespace llvm;
// Handle the Pass registration stuff necessary to use TargetData's.
@@ -201,6 +202,12 @@
return Align;
}
+unsigned char TargetData::getTypeAlignmentShift(const Type *Ty) const {
+ unsigned Align = getTypeAlignment(Ty);
+ assert(!(Align & (Align-1)) && "Alignment is not a power of two!");
+ return log2(Align);
+}
+
/// getIntPtrType - Return an unsigned integer type that is the same size or
/// greater to the host pointer size.
const Type *TargetData::getIntPtrType() const {
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