summaryrefslogtreecommitdiffstats
path: root/include/llvm/Support/ConstantRange.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/llvm/Support/ConstantRange.h')
-rw-r--r--include/llvm/Support/ConstantRange.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/include/llvm/Support/ConstantRange.h b/include/llvm/Support/ConstantRange.h
index 3846d46..6342c6f 100644
--- a/include/llvm/Support/ConstantRange.h
+++ b/include/llvm/Support/ConstantRange.h
@@ -187,6 +187,14 @@ public:
/// truncated to the specified type.
ConstantRange truncate(uint32_t BitWidth) const;
+ /// zextOrTrunc - make this range have the bit width given by \p BitWidth. The
+ /// value is zero extended, truncated, or left alone to make it that width.
+ ConstantRange zextOrTrunc(uint32_t BitWidth) const;
+
+ /// sextOrTrunc - make this range have the bit width given by \p BitWidth. The
+ /// value is sign extended, truncated, or left alone to make it that width.
+ ConstantRange sextOrTrunc(uint32_t BitWidth) const;
+
/// add - Return a new range representing the possible values resulting
/// from an addition of a value in this range and a value in Other.
ConstantRange add(const ConstantRange &Other) const;
@@ -209,6 +217,18 @@ public:
/// TODO: This isn't fully implemented yet.
ConstantRange udiv(const ConstantRange &Other) const;
+ /// shl - Return a new range representing the possible values resulting
+ /// from a left shift of a value in this range by the Amount value.
+ ConstantRange shl(const ConstantRange &Amount) const;
+
+ /// ashr - Return a new range representing the possible values resulting from
+ /// an arithmetic right shift of a value in this range by the Amount value.
+ ConstantRange ashr(const ConstantRange &Amount) const;
+
+ /// shr - Return a new range representing the possible values resulting
+ /// from a logical right shift of a value in this range by the Amount value.
+ ConstantRange lshr(const ConstantRange &Amount) const;
+
/// print - Print out the bounds to a stream...
///
void print(raw_ostream &OS) const;
OpenPOWER on IntegriCloud