From: Eric Christopher <echristo@apple.com>
Date: Tue, 12 Oct 2010 00:43:21 +0000 (+0000)
Subject: Handle a wider arrangement of loads.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5532433a574043b516aec26a4dd4b6c8d7fc551e;p=oota-llvm.git

Handle a wider arrangement of loads.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116284 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/ARM/ARMFastISel.cpp b/lib/Target/ARM/ARMFastISel.cpp
index d29b075ff8f..9110e99d3bf 100644
--- a/lib/Target/ARM/ARMFastISel.cpp
+++ b/lib/Target/ARM/ARMFastISel.cpp
@@ -588,6 +588,22 @@ bool ARMFastISel::ARMComputeRegOffset(const Value *Obj, unsigned &Reg,
   switch (Opcode) {
     default:
     break;
+    case Instruction::BitCast: {
+      // Look through bitcasts.
+      return ARMComputeRegOffset(U->getOperand(0), Reg, Offset);
+    }
+    case Instruction::IntToPtr: {
+      // Look past no-op inttoptrs.
+      if (TLI.getValueType(U->getOperand(0)->getType()) == TLI.getPointerTy())
+        return ARMComputeRegOffset(U->getOperand(0), Reg, Offset);
+      break;
+    }
+    case Instruction::PtrToInt: {
+      // Look past no-op ptrtoints.
+      if (TLI.getValueType(U->getType()) == TLI.getPointerTy())
+        return ARMComputeRegOffset(U->getOperand(0), Reg, Offset);
+      break;
+    }
     case Instruction::Alloca: {
       // Don't handle dynamic allocas.
       assert(!FuncInfo.StaticAllocaMap.count(cast<AllocaInst>(Obj)) &&