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authorDimitry Andric <dim@FreeBSD.org>2017-04-16 16:01:22 +0000
committerDimitry Andric <dim@FreeBSD.org>2017-04-16 16:01:22 +0000
commit71d5a2540a98c81f5bcaeb48805e0e2881f530ef (patch)
tree5343938942df402b49ec7300a1c25a2d4ccd5821 /include/llvm/CodeGen/MachineLoopInfo.h
parent31bbf64f3a4974a2d6c8b3b27ad2f519caf74057 (diff)
Diffstat (limited to 'include/llvm/CodeGen/MachineLoopInfo.h')
-rw-r--r--include/llvm/CodeGen/MachineLoopInfo.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/MachineLoopInfo.h b/include/llvm/CodeGen/MachineLoopInfo.h
index dc72ae1810ee..5c814f22f99b 100644
--- a/include/llvm/CodeGen/MachineLoopInfo.h
+++ b/include/llvm/CodeGen/MachineLoopInfo.h
@@ -60,6 +60,13 @@ public:
/// multiple exiting blocks are present.
MachineBasicBlock *findLoopControlBlock();
+ /// Return the debug location of the start of this loop.
+ /// This looks for a BB terminating instruction with a known debug
+ /// location by looking at the preheader and header blocks. If it
+ /// cannot find a terminating instruction with location information,
+ /// it returns an unknown location.
+ DebugLoc getStartLoc() const;
+
void dump() const;
private: