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Diffstat (limited to 'include/llvm/ADT/PointerUnion.h')
-rw-r--r--include/llvm/ADT/PointerUnion.h12
1 files changed, 9 insertions, 3 deletions
diff --git a/include/llvm/ADT/PointerUnion.h b/include/llvm/ADT/PointerUnion.h
index f42515ac77..c1a6d74412 100644
--- a/include/llvm/ADT/PointerUnion.h
+++ b/include/llvm/ADT/PointerUnion.h
@@ -15,6 +15,7 @@
#ifndef LLVM_ADT_POINTERUNION_H
#define LLVM_ADT_POINTERUNION_H
+#include "llvm/Support/Compiler.h"
#include "llvm/ADT/PointerIntPair.h"
namespace llvm {
@@ -109,7 +110,7 @@ namespace llvm {
// we recursively strip off low bits if we have a nested PointerUnion.
return !PointerLikeTypeTraits<PT1>::getFromVoidPointer(Val.getPointer());
}
- operator bool() const { return !isNull(); }
+ LLVM_EXPLICIT operator bool() const { return !isNull(); }
/// is<T>() return true if the Union currently holds the type matching T.
template<typename T>
@@ -174,6 +175,11 @@ namespace llvm {
return V;
}
};
+
+ template<typename PT1, typename PT2>
+ bool operator==(PointerUnion<PT1, PT2> lhs, PointerUnion<PT1, PT2> rhs) {
+ return lhs.getOpaqueValue() == rhs.getOpaqueValue();
+ }
// Teach SmallPtrSet that PointerUnion is "basically a pointer", that has
// # low bits available = min(PT1bits,PT2bits)-1.
@@ -251,7 +257,7 @@ namespace llvm {
/// isNull - Return true if the pointer held in the union is null,
/// regardless of which type it is.
bool isNull() const { return Val.isNull(); }
- operator bool() const { return !isNull(); }
+ LLVM_EXPLICIT operator bool() const { return !isNull(); }
/// is<T>() return true if the Union currently holds the type matching T.
template<typename T>
@@ -359,7 +365,7 @@ namespace llvm {
/// isNull - Return true if the pointer held in the union is null,
/// regardless of which type it is.
bool isNull() const { return Val.isNull(); }
- operator bool() const { return !isNull(); }
+ LLVM_EXPLICIT operator bool() const { return !isNull(); }
/// is<T>() return true if the Union currently holds the type matching T.
template<typename T>