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-rw-r--r--lib/Transforms/Utils/LCSSA.cpp27
1 files changed, 14 insertions, 13 deletions
diff --git a/lib/Transforms/Utils/LCSSA.cpp b/lib/Transforms/Utils/LCSSA.cpp
index 546f4b160a..5959324da6 100644
--- a/lib/Transforms/Utils/LCSSA.cpp
+++ b/lib/Transforms/Utils/LCSSA.cpp
@@ -226,6 +226,19 @@ bool llvm::formLCSSA(Loop &L, DominatorTree &DT, ScalarEvolution *SE) {
return Changed;
}
+/// Process a loop nest depth first.
+bool llvm::formLCSSARecursively(Loop &L, DominatorTree &DT,
+ ScalarEvolution *SE) {
+ bool Changed = false;
+
+ // Recurse depth-first through inner loops.
+ for (Loop::iterator LI = L.begin(), LE = L.end(); LI != LE; ++LI)
+ Changed |= formLCSSARecursively(**LI, DT, SE);
+
+ Changed |= formLCSSA(L, DT, SE);
+ return Changed;
+}
+
namespace {
struct LCSSA : public FunctionPass {
static char ID; // Pass identification, replacement for typeid
@@ -278,20 +291,8 @@ bool LCSSA::runOnFunction(Function &F) {
// Simplify each loop nest in the function.
for (LoopInfo::iterator I = LI->begin(), E = LI->end(); I != E; ++I)
- Changed |= processLoop(**I);
-
- return Changed;
-}
-
-/// Process a loop nest depth first.
-bool LCSSA::processLoop(Loop &L) {
- bool Changed = false;
-
- // Recurse depth-first through inner loops.
- for (Loop::iterator LI = L.begin(), LE = L.end(); LI != LE; ++LI)
- Changed |= processLoop(**LI);
+ Changed |= formLCSSARecursively(**I, *DT, SE);
- Changed |= formLCSSA(L, *DT, SE);
return Changed;
}