Revert "[Acc] Fix for PR33208"

This reverts commit r326643. Fix didn't really fix anything.

llvm-svn: 326656

1 files changed, 9 insertions, 5 deletions

diff --git a/polly/lib/CodeGen/PPCGCodeGeneration.cpp b/polly/lib/CodeGen/PPCGCodeGeneration.cpp
index 2366b5ec2f8..5bf31e60e92 100644
--- a/polly/lib/CodeGen/PPCGCodeGeneration.cpp
+++ b/polly/lib/CodeGen/PPCGCodeGeneration.cpp
@@ -1555,16 +1555,20 @@ void GPUNodeBuilder::clearDominators(Function *F) {
 }
 
 void GPUNodeBuilder::clearScalarEvolution(Function *F) {
-  for (auto *L : LI)
+  for (BasicBlock &BB : *F) {
+    Loop *L = LI.getLoopFor(&BB);
     if (L)
       SE.forgetLoop(L);
+  }
 }
 
 void GPUNodeBuilder::clearLoops(Function *F) {
-  clearScalarEvolution(F);
-  SmallVector<Loop *, 1> Loops(LI.begin(), LI.end());
-  for (auto *L : Loops)
-    LI.erase(L);
+  for (BasicBlock &BB : *F) {
+    Loop *L = LI.getLoopFor(&BB);
+    if (L)
+      SE.forgetLoop(L);
+    LI.removeBlock(&BB);
+  }
 }
 
 std::tuple<Value *, Value *> GPUNodeBuilder::getGridSizes(ppcg_kernel *Kernel) {