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authorStephen Hines <srhines@google.com>2012-08-23 19:08:53 -0700
committerStephen Hines <srhines@google.com>2012-08-23 19:08:53 -0700
commit31675153bd2d7617db8cb6aeb58054934c7b9f73 (patch)
treec1970fcebc736d4f731db0559a79a7ac5cb0f8bf /include/llvm/CodeGen/MachineBasicBlock.h
parent416bb6a168a9316547db6ce3909c515f70a84f52 (diff)
parent75dd7f0c4a2b3fb9e9d4d5a0517591810c57ed92 (diff)
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Merge branch 'upstream' into merge_2
Conflicts: lib/Target/ARM/ARMCodeEmitter.cpp Change-Id: I6702d340c733e9721499b5d85b13b96ad9c14eb5
Diffstat (limited to 'include/llvm/CodeGen/MachineBasicBlock.h')
-rw-r--r--include/llvm/CodeGen/MachineBasicBlock.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/include/llvm/CodeGen/MachineBasicBlock.h b/include/llvm/CodeGen/MachineBasicBlock.h
index 4371aa5..77ea4d0 100644
--- a/include/llvm/CodeGen/MachineBasicBlock.h
+++ b/include/llvm/CodeGen/MachineBasicBlock.h
@@ -351,6 +351,8 @@ public:
/// parameter is stored in Weights list and it may be used by
/// MachineBranchProbabilityInfo analysis to calculate branch probability.
///
+ /// Note that duplicate Machine CFG edges are not allowed.
+ ///
void addSuccessor(MachineBasicBlock *succ, uint32_t weight = 0);
/// removeSuccessor - Remove successor from the successors list of this
@@ -379,6 +381,10 @@ public:
/// which refer to fromMBB to refer to this.
void transferSuccessorsAndUpdatePHIs(MachineBasicBlock *fromMBB);
+ /// isPredecessor - Return true if the specified MBB is a predecessor of this
+ /// block.
+ bool isPredecessor(const MachineBasicBlock *MBB) const;
+
/// isSuccessor - Return true if the specified MBB is a successor of this
/// block.
bool isSuccessor(const MachineBasicBlock *MBB) const;
@@ -568,7 +574,7 @@ private:
/// getSuccWeight - Return weight of the edge from this block to MBB. This
/// method should NOT be called directly, but by using getEdgeWeight method
/// from MachineBranchProbabilityInfo class.
- uint32_t getSuccWeight(const MachineBasicBlock *succ) const;
+ uint32_t getSuccWeight(const_succ_iterator Succ) const;
// Methods used to maintain doubly linked list of blocks...