aboutsummaryrefslogtreecommitdiffstats
path: root/include/llvm/MC/MCAsmBackend.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/llvm/MC/MCAsmBackend.h')
-rw-r--r--include/llvm/MC/MCAsmBackend.h11
1 files changed, 9 insertions, 2 deletions
diff --git a/include/llvm/MC/MCAsmBackend.h b/include/llvm/MC/MCAsmBackend.h
index 05e6286..1c45090 100644
--- a/include/llvm/MC/MCAsmBackend.h
+++ b/include/llvm/MC/MCAsmBackend.h
@@ -30,8 +30,8 @@ class raw_ostream;
/// MCAsmBackend - Generic interface to target specific assembler backends.
class MCAsmBackend {
- MCAsmBackend(const MCAsmBackend &); // DO NOT IMPLEMENT
- void operator=(const MCAsmBackend &); // DO NOT IMPLEMENT
+ MCAsmBackend(const MCAsmBackend &) LLVM_DELETED_FUNCTION;
+ void operator=(const MCAsmBackend &) LLVM_DELETED_FUNCTION;
protected: // Can only create subclasses.
MCAsmBackend();
@@ -133,6 +133,13 @@ public:
/// @}
+ /// getMinimumNopSize - Returns the minimum size of a nop in bytes on this
+ /// target. The assembler will use this to emit excess padding in situations
+ /// where the padding required for simple alignment would be less than the
+ /// minimum nop size.
+ ///
+ virtual unsigned getMinimumNopSize() const { return 1; }
+
/// writeNopData - Write an (optimal) nop sequence of Count bytes to the given
/// output. If the target cannot generate such a sequence, it should return an
/// error.