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Add a convenience constructor.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110493 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson 2010-08-07 00:42:06 +00:00
parent 9510214936
commit 634bab148c
2 changed files with 6 additions and 0 deletions
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3
include/llvm/Support/ConstantRange.h
View File

@ -37,6 +37,8 @@
namespace llvm {
class ConstantInt;
/// ConstantRange - This class represents an range of values.
///
class ConstantRange {
@ -52,6 +54,7 @@ public:
/// Initialize a range to hold the single specified value.
///
ConstantRange(const APInt &Value);
ConstantRange(const ConstantInt *Value);
/// @brief Initialize a range of values explicitly. This will assert out if
/// Lower==Upper and Lower != Min or Max value for its type. It will also

3
lib/Support/ConstantRange.cpp
View File

@ -21,6 +21,7 @@
//
//===----------------------------------------------------------------------===//
#include "llvm/Constants.h"
#include "llvm/Support/ConstantRange.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
@ -39,6 +40,8 @@ ConstantRange::ConstantRange(uint32_t BitWidth, bool Full) {
/// Initialize a range to hold the single specified value.
///
ConstantRange::ConstantRange(const APInt & V) : Lower(V), Upper(V + 1) {}
ConstantRange::ConstantRange(const ConstantInt *V)
: Lower(V->getValue()), Upper(V->getValue() + 1) {}
ConstantRange::ConstantRange(const APInt &L, const APInt &U) :
Lower(L), Upper(U) {