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authorCong Hou <congh@google.com>2015-12-18 21:53:24 +0000
committerCong Hou <congh@google.com>2015-12-18 21:53:24 +0000
commitfd0d62b87ef54e4cfdee7eb9ba7925af03d396aa (patch)
tree54cedcb700b316358a7ac7070c0cd06400bcdde5 /llvm/lib/CodeGen/MachineBranchProbabilityInfo.cpp
parent0f59cb38e7f319ee46b66812b212a5afaa3572bb (diff)
downloadbcm5719-llvm-fd0d62b87ef54e4cfdee7eb9ba7925af03d396aa.tar.gz
bcm5719-llvm-fd0d62b87ef54e4cfdee7eb9ba7925af03d396aa.zip
Use getEdgeProbability() instead of getEdgeWeight() in BFI and remove getEdgeWeight() interfaces from MBPI.
This patch removes all getEdgeWeight() interfaces from CodeGen directory. As getEdgeProbability() is a little more expensive than getEdgeWeight(), I will compose a patch soon in which BPI only stores probabilities instead of edge weights so that getEdgeProbability() will have O(1) time. Differential revision: http://reviews.llvm.org/D15489 llvm-svn: 256039
Diffstat (limited to 'llvm/lib/CodeGen/MachineBranchProbabilityInfo.cpp')
-rw-r--r--llvm/lib/CodeGen/MachineBranchProbabilityInfo.cpp13
1 files changed, 0 insertions, 13 deletions
diff --git a/llvm/lib/CodeGen/MachineBranchProbabilityInfo.cpp b/llvm/lib/CodeGen/MachineBranchProbabilityInfo.cpp
index 5478dcba261..cf6d4018cb7 100644
--- a/llvm/lib/CodeGen/MachineBranchProbabilityInfo.cpp
+++ b/llvm/lib/CodeGen/MachineBranchProbabilityInfo.cpp
@@ -28,19 +28,6 @@ char MachineBranchProbabilityInfo::ID = 0;
void MachineBranchProbabilityInfo::anchor() { }
-uint32_t MachineBranchProbabilityInfo::getEdgeWeight(
- const MachineBasicBlock *Src,
- MachineBasicBlock::const_succ_iterator Dst) const {
- return Src->getSuccProbability(Dst).getNumerator();
-}
-
-uint32_t MachineBranchProbabilityInfo::getEdgeWeight(
- const MachineBasicBlock *Src, const MachineBasicBlock *Dst) const {
- // This is a linear search. Try to use the const_succ_iterator version when
- // possible.
- return getEdgeWeight(Src, std::find(Src->succ_begin(), Src->succ_end(), Dst));
-}
-
BranchProbability MachineBranchProbabilityInfo::getEdgeProbability(
const MachineBasicBlock *Src,
MachineBasicBlock::const_succ_iterator Dst) const {
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