From 1438102576b94d6dac9bb18e8df291c4d632572d Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Wed, 31 Mar 2004 02:58:28 +0000
Subject: [PATCH] Fix linking of constant expr casts due to type resolution
 changes.  With this and the other patches 253.perlbmk links again.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12565 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Linker/LinkModules.cpp      | 8 ++++++++
 lib/Transforms/Utils/Linker.cpp | 8 ++++++++
 lib/VMCore/Linker.cpp           | 8 ++++++++
 3 files changed, 24 insertions(+)

diff --git a/lib/Linker/LinkModules.cpp b/lib/Linker/LinkModules.cpp
index 529fb771489..c113ca1a0ff 100644
--- a/lib/Linker/LinkModules.cpp
+++ b/lib/Linker/LinkModules.cpp
@@ -325,6 +325,14 @@ static Value *RemapOperand(const Value *In,
         assert(CE->getOpcode() == Instruction::Cast);
         Value *V = RemapOperand(CE->getOperand(0), LocalMap, GlobalMap);
         Result = ConstantExpr::getCast(cast<Constant>(V), CE->getType());
+      } else if (CE->getNumOperands() == 3) {
+        // Select instruction
+        assert(CE->getOpcode() == Instruction::Select);
+        Value *V1 = RemapOperand(CE->getOperand(0), LocalMap, GlobalMap);
+        Value *V2 = RemapOperand(CE->getOperand(1), LocalMap, GlobalMap);
+        Value *V3 = RemapOperand(CE->getOperand(2), LocalMap, GlobalMap);
+        Result = ConstantExpr::getSelect(cast<Constant>(V1), cast<Constant>(V2),
+                                         cast<Constant>(V3));
       } else if (CE->getNumOperands() == 2) {
         // Binary operator...
         Value *V1 = RemapOperand(CE->getOperand(0), LocalMap, GlobalMap);
diff --git a/lib/Transforms/Utils/Linker.cpp b/lib/Transforms/Utils/Linker.cpp
index 529fb771489..c113ca1a0ff 100644
--- a/lib/Transforms/Utils/Linker.cpp
+++ b/lib/Transforms/Utils/Linker.cpp
@@ -325,6 +325,14 @@ static Value *RemapOperand(const Value *In,
         assert(CE->getOpcode() == Instruction::Cast);
         Value *V = RemapOperand(CE->getOperand(0), LocalMap, GlobalMap);
         Result = ConstantExpr::getCast(cast<Constant>(V), CE->getType());
+      } else if (CE->getNumOperands() == 3) {
+        // Select instruction
+        assert(CE->getOpcode() == Instruction::Select);
+        Value *V1 = RemapOperand(CE->getOperand(0), LocalMap, GlobalMap);
+        Value *V2 = RemapOperand(CE->getOperand(1), LocalMap, GlobalMap);
+        Value *V3 = RemapOperand(CE->getOperand(2), LocalMap, GlobalMap);
+        Result = ConstantExpr::getSelect(cast<Constant>(V1), cast<Constant>(V2),
+                                         cast<Constant>(V3));
       } else if (CE->getNumOperands() == 2) {
         // Binary operator...
         Value *V1 = RemapOperand(CE->getOperand(0), LocalMap, GlobalMap);
diff --git a/lib/VMCore/Linker.cpp b/lib/VMCore/Linker.cpp
index 529fb771489..c113ca1a0ff 100644
--- a/lib/VMCore/Linker.cpp
+++ b/lib/VMCore/Linker.cpp
@@ -325,6 +325,14 @@ static Value *RemapOperand(const Value *In,
         assert(CE->getOpcode() == Instruction::Cast);
         Value *V = RemapOperand(CE->getOperand(0), LocalMap, GlobalMap);
         Result = ConstantExpr::getCast(cast<Constant>(V), CE->getType());
+      } else if (CE->getNumOperands() == 3) {
+        // Select instruction
+        assert(CE->getOpcode() == Instruction::Select);
+        Value *V1 = RemapOperand(CE->getOperand(0), LocalMap, GlobalMap);
+        Value *V2 = RemapOperand(CE->getOperand(1), LocalMap, GlobalMap);
+        Value *V3 = RemapOperand(CE->getOperand(2), LocalMap, GlobalMap);
+        Result = ConstantExpr::getSelect(cast<Constant>(V1), cast<Constant>(V2),
+                                         cast<Constant>(V3));
       } else if (CE->getNumOperands() == 2) {
         // Binary operator...
         Value *V1 = RemapOperand(CE->getOperand(0), LocalMap, GlobalMap);