commit aa76e9e2cf50af190de90bc778b7f7e42ef9ceff
author Micah Villmow <villmow@gmail.com> Wed Oct 24 15:52:52 2012 +0000
committer Micah Villmow <villmow@gmail.com> Wed Oct 24 15:52:52 2012 +0000
tree 5206b0fb0ac695e3ab1c9cf434b5a85195abf336
parent 3575222175b4982f380ff291bb17be67aadc0966

Add in support for getIntPtrType to get the pointer type based on the address space.
This checkin also adds in some tests that utilize these paths and updates some of the
clients.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166578 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/Utils/SimplifyCFG.cpp

diff --git a/lib/Transforms/Utils/SimplifyCFG.cpp b/lib/Transforms/Utils/SimplifyCFG.cpp
index a008da6..870e2b2 100644
--- a/lib/Transforms/Utils/SimplifyCFG.cpp
+++ b/lib/Transforms/Utils/SimplifyCFG.cpp
@@ -392,7 +392,7 @@
 
   // This is some kind of pointer constant. Turn it into a pointer-sized
   // ConstantInt if possible.
-  IntegerType *PtrTy = TD->getIntPtrType(V->getContext());
+  IntegerType *PtrTy = TD->getIntPtrType(V->getType());
 
   // Null pointer means 0, see SelectionDAGBuilder::getValue(const Value*).
   if (isa<ConstantPointerNull>(V))
@@ -532,9 +532,13 @@
           CV = ICI->getOperand(0);
 
   // Unwrap any lossless ptrtoint cast.
-  if (TD && CV && CV->getType() == TD->getIntPtrType(CV->getContext()))
-    if (PtrToIntInst *PTII = dyn_cast<PtrToIntInst>(CV))
+  if (TD && CV) {
+    PtrToIntInst *PTII = NULL;
+    if ((PTII = dyn_cast<PtrToIntInst>(CV)) &&
+        CV->getType() == TD->getIntPtrType(CV->getContext(),
+          PTII->getPointerAddressSpace()))
       CV = PTII->getOperand(0);
+  }
   return CV;
 }
 
@@ -981,7 +985,7 @@
       // Convert pointer to int before we switch.
       if (CV->getType()->isPointerTy()) {
         assert(TD && "Cannot switch on pointer without DataLayout");
-        CV = Builder.CreatePtrToInt(CV, TD->getIntPtrType(CV->getContext()),
+        CV = Builder.CreatePtrToInt(CV, TD->getIntPtrType(CV->getType()),
                                     "magicptr");
       }
 
@@ -2709,7 +2713,7 @@
   if (CompVal->getType()->isPointerTy()) {
     assert(TD && "Cannot switch on pointer without DataLayout");
     CompVal = Builder.CreatePtrToInt(CompVal,
-                                     TD->getIntPtrType(CompVal->getContext()),
+                                     TD->getIntPtrType(CompVal->getType()),
                                      "magicptr");
   }