From f5612b76bcbc8290b44f0e3deb677ee6ff0a95b8 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Wed, 23 Apr 2003 19:09:22 +0000
Subject: [PATCH] Fix the super obnoxious "cast to pointer from integer of
 different size" warnings

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5881 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/CBackend/CBackend.cpp | 17 +++++++++--------
 lib/Target/CBackend/Writer.cpp   | 17 +++++++++--------
 2 files changed, 18 insertions(+), 16 deletions(-)

diff --git a/lib/Target/CBackend/CBackend.cpp b/lib/Target/CBackend/CBackend.cpp
index dfe5ec2f58a..f9ddc7d8c41 100644
--- a/lib/Target/CBackend/CBackend.cpp
+++ b/lib/Target/CBackend/CBackend.cpp
@@ -946,13 +946,8 @@ void CWriter::visitBranchInst(BranchInst &I) {
 
 void CWriter::visitBinaryOperator(Instruction &I) {
   // binary instructions, shift instructions, setCond instructions.
-  if (isa<PointerType>(I.getType())) {
-    Out << "(";
-    printType(Out, I.getType());
-    Out << ")";
-  }
+  assert(!isa<PointerType>(I.getType()));
       
-  if (isa<PointerType>(I.getType())) Out << "(long long)";
   writeOperand(I.getOperand(0));
 
   switch (I.getOpcode()) {
@@ -975,14 +970,20 @@ void CWriter::visitBinaryOperator(Instruction &I) {
   default: std::cerr << "Invalid operator type!" << I; abort();
   }
 
-  if (isa<PointerType>(I.getType())) Out << "(long long)";
   writeOperand(I.getOperand(1));
 }
 
 void CWriter::visitCastInst(CastInst &I) {
   Out << "(";
-  printType(Out, I.getType(), string(""),/*ignoreName*/false, /*namedContext*/false);
+  printType(Out, I.getType(), string(""),/*ignoreName*/false,
+            /*namedContext*/false);
   Out << ")";
+  if (isa<PointerType>(I.getType())&&I.getOperand(0)->getType()->isIntegral() ||
+      isa<PointerType>(I.getOperand(0)->getType())&&I.getType()->isIntegral()) {
+    // Avoid "cast to pointer from integer of different size" warnings
+    Out << "(long)";  
+  }
+
   writeOperand(I.getOperand(0));
 }
 
diff --git a/lib/Target/CBackend/Writer.cpp b/lib/Target/CBackend/Writer.cpp
index dfe5ec2f58a..f9ddc7d8c41 100644
--- a/lib/Target/CBackend/Writer.cpp
+++ b/lib/Target/CBackend/Writer.cpp
@@ -946,13 +946,8 @@ void CWriter::visitBranchInst(BranchInst &I) {
 
 void CWriter::visitBinaryOperator(Instruction &I) {
   // binary instructions, shift instructions, setCond instructions.
-  if (isa<PointerType>(I.getType())) {
-    Out << "(";
-    printType(Out, I.getType());
-    Out << ")";
-  }
+  assert(!isa<PointerType>(I.getType()));
       
-  if (isa<PointerType>(I.getType())) Out << "(long long)";
   writeOperand(I.getOperand(0));
 
   switch (I.getOpcode()) {
@@ -975,14 +970,20 @@ void CWriter::visitBinaryOperator(Instruction &I) {
   default: std::cerr << "Invalid operator type!" << I; abort();
   }
 
-  if (isa<PointerType>(I.getType())) Out << "(long long)";
   writeOperand(I.getOperand(1));
 }
 
 void CWriter::visitCastInst(CastInst &I) {
   Out << "(";
-  printType(Out, I.getType(), string(""),/*ignoreName*/false, /*namedContext*/false);
+  printType(Out, I.getType(), string(""),/*ignoreName*/false,
+            /*namedContext*/false);
   Out << ")";
+  if (isa<PointerType>(I.getType())&&I.getOperand(0)->getType()->isIntegral() ||
+      isa<PointerType>(I.getOperand(0)->getType())&&I.getType()->isIntegral()) {
+    // Avoid "cast to pointer from integer of different size" warnings
+    Out << "(long)";  
+  }
+
   writeOperand(I.getOperand(0));
 }