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authorOwen Anderson <resistor@mac.com>2009-08-25 17:42:07 +0000
committerOwen Anderson <resistor@mac.com>2009-08-25 17:42:07 +0000
commit4e9ac2a34bb2a0d098fcd95b5f7d0213e4cdb85c (patch)
treee0b573fe8fe7c1367d881efe5fc660a2679bcb91 /llvm/lib/Transforms/Utils/CodeExtractor.cpp
parentf18cae497988c8c4a839892c45b43b936d1a5602 (diff)
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Comment-ify.
llvm-svn: 80009
Diffstat (limited to 'llvm/lib/Transforms/Utils/CodeExtractor.cpp')
-rw-r--r--llvm/lib/Transforms/Utils/CodeExtractor.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Utils/CodeExtractor.cpp b/llvm/lib/Transforms/Utils/CodeExtractor.cpp
index db523daa4f5..c39ccf7d3f4 100644
--- a/llvm/lib/Transforms/Utils/CodeExtractor.cpp
+++ b/llvm/lib/Transforms/Utils/CodeExtractor.cpp
@@ -361,6 +361,9 @@ Function *CodeExtractor::constructFunction(const Values &inputs,
return newFunction;
}
+/// FindPhiPredForUseInBlock - Given a value and a basic block, find a PHI
+/// that uses the value within the basic block, and return the predecessor
+/// block associated with that use, or return 0 if none is found.
static BasicBlock* FindPhiPredForUseInBlock(Value* Used, BasicBlock* BB) {
for (Value::use_iterator UI = Used->use_begin(),
UE = Used->use_end(); UI != UE; ++UI) {
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