[llvm-commits] CVS: llvm/include/llvm/Constants.h
Chris Lattner
lattner at cs.uiuc.edu
Sat Sep 24 15:57:40 PDT 2005
Changes in directory llvm/include/llvm:
Constants.h updated: 1.72 -> 1.73
---
Log message:
Add long-overdue helpers for getting constants with known upper bits
---
Diffs of the changes: (+14 -0)
Constants.h | 14 ++++++++++++++
1 files changed, 14 insertions(+)
Index: llvm/include/llvm/Constants.h
diff -u llvm/include/llvm/Constants.h:1.72 llvm/include/llvm/Constants.h:1.73
--- llvm/include/llvm/Constants.h:1.72 Wed Aug 17 15:06:22 2005
+++ llvm/include/llvm/Constants.h Sat Sep 24 17:57:28 2005
@@ -54,7 +54,21 @@
/// unsigned integer value.
///
inline uint64_t getRawValue() const { return Val.Unsigned; }
+
+ /// getZExtValue - Return the constant zero extended as appropriate for this
+ /// type.
+ inline uint64_t getZExtValue() const {
+ unsigned Size = getType()->getPrimitiveSizeInBits();
+ return Val.Unsigned & (~0ULL >> (64-Size));
+ }
+ /// getSExtValue - Return the constant sign extended as appropriate for this
+ /// type.
+ inline int64_t getSExtValue() const {
+ unsigned Size = getType()->getPrimitiveSizeInBits();
+ return (Val.Signed << (64-Size)) >> (64-Size);
+ }
+
/// isNullValue - Return true if this is the value that would be returned by
/// getNullValue.
///
More information about the llvm-commits
mailing list