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authorOwen Anderson <resistor@mac.com>2009-07-13 22:18:28 +0000
committerOwen Anderson <resistor@mac.com>2009-07-13 22:18:28 +0000
commitfa82b6eba4e1584d7dba291c28fe908272e1e002 (patch)
tree033b1e9a873ad04863a5c5849ab515ba31d17e60 /include
parent0c39e3839a7d7e0dbd49b6b2d3e1bdc735b2b3aa (diff)
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These don't really need contexts either.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75528 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include')
-rw-r--r--include/llvm/Constant.h4
-rw-r--r--include/llvm/Constants.h6
-rw-r--r--include/llvm/InstrTypes.h4
3 files changed, 12 insertions, 2 deletions
diff --git a/include/llvm/Constant.h b/include/llvm/Constant.h
index bccd417f07..3dc5881bdf 100644
--- a/include/llvm/Constant.h
+++ b/include/llvm/Constant.h
@@ -64,6 +64,10 @@ public:
/// getNullValue.
virtual bool isNullValue() const = 0;
+ /// isNegativeZeroValue - Return true if the value is what would be returned
+ /// by getZeroValueForNegation.
+ virtual bool isNegativeZeroValue() const { return isNullValue(); }
+
/// canTrap - Return true if evaluation of this constant could trap. This is
/// true for things like constant expressions that could divide by zero.
bool canTrap() const;
diff --git a/include/llvm/Constants.h b/include/llvm/Constants.h
index b727de31ae..143f3ad757 100644
--- a/include/llvm/Constants.h
+++ b/include/llvm/Constants.h
@@ -270,6 +270,12 @@ public:
/// getNullValue. Don't depend on == for doubles to tell us it's zero, it
/// considers -0.0 to be null as well as 0.0. :(
virtual bool isNullValue() const;
+
+ /// isNegativeZeroValue - Return true if the value is what would be returned
+ /// by getZeroValueForNegation.
+ virtual bool isNegativeZeroValue() const {
+ return Val.isZero() && Val.isNegative();
+ }
/// isExactlyValue - We don't rely on operator== working on double values, as
/// it returns true for things that are clearly not equal, like -0.0 and 0.0.
diff --git a/include/llvm/InstrTypes.h b/include/llvm/InstrTypes.h
index eb0b7b6e5b..1ee2a4b331 100644
--- a/include/llvm/InstrTypes.h
+++ b/include/llvm/InstrTypes.h
@@ -224,8 +224,8 @@ public:
/// isNeg, isFNeg, isNot - Check if the given Value is a
/// NEG, FNeg, or NOT instruction.
///
- static bool isNeg(LLVMContext &Context, const Value *V);
- static bool isFNeg(LLVMContext &Context, const Value *V);
+ static bool isNeg(const Value *V);
+ static bool isFNeg(const Value *V);
static bool isNot(const Value *V);
/// getNegArgument, getNotArgument - Helper functions to extract the