Remove FreeInst.

Remove LowerAllocations pass.
Update some more passes to treate free calls just like they were treating FreeInst.

llvm-svn: 85176

1 files changed, 4 insertions, 3 deletions

diff --git a/llvm/lib/Analysis/CaptureTracking.cpp b/llvm/lib/Analysis/CaptureTracking.cpp
index b30ac719ae0..649b760b706 100644
--- a/llvm/lib/Analysis/CaptureTracking.cpp
+++ b/llvm/lib/Analysis/CaptureTracking.cpp
@@ -17,6 +17,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Analysis/CaptureTracking.h"
+#include "llvm/Analysis/MallocHelper.h"
 #include "llvm/Instructions.h"
 #include "llvm/Value.h"
 #include "llvm/ADT/SmallSet.h"
@@ -48,6 +49,9 @@ bool llvm::PointerMayBeCaptured(const Value *V, bool ReturnCaptures) {
 
     switch (I->getOpcode()) {
     case Instruction::Call:
+      if (isFreeCall(I))
+        // Freeing a pointer does not cause it to be captured.
+        break;
     case Instruction::Invoke: {
       CallSite CS = CallSite::get(I);
       // Not captured if the callee is readonly, doesn't return a copy through
@@ -73,9 +77,6 @@ bool llvm::PointerMayBeCaptured(const Value *V, bool ReturnCaptures) {
       // captured.
       break;
     }
-    case Instruction::Free:
-      // Freeing a pointer does not cause it to be captured.
-      break;
     case Instruction::Load:
       // Loading from a pointer does not cause it to be captured.
       break;