[llvm-commits] CVS: llvm/lib/Analysis/LoopInfo.cpp
Chris Lattner
lattner at cs.uiuc.edu
Sun Apr 18 17:46:15 PDT 2004
Changes in directory llvm/lib/Analysis:
LoopInfo.cpp updated: 1.53 -> 1.54
---
Log message:
Add new method
---
Diffs of the changes: (+8 -0)
Index: llvm/lib/Analysis/LoopInfo.cpp
diff -u llvm/lib/Analysis/LoopInfo.cpp:1.53 llvm/lib/Analysis/LoopInfo.cpp:1.54
--- llvm/lib/Analysis/LoopInfo.cpp:1.53 Sun Apr 18 17:21:41 2004
+++ llvm/lib/Analysis/LoopInfo.cpp Sun Apr 18 17:45:27 2004
@@ -56,6 +56,14 @@
return NumBackEdges;
}
+/// isLoopInvariant - Return true if the specified value is loop invariant
+///
+bool Loop::isLoopInvariant(Value *V) const {
+ if (Instruction *I = dyn_cast<Instruction>(V))
+ return !contains(I->getParent());
+ return true; // All non-instructions are loop invariant
+}
+
void Loop::print(std::ostream &OS, unsigned Depth) const {
OS << std::string(Depth*2, ' ') << "Loop Containing: ";
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