Revert the patch that adds Function* for each 64-bit libc div/mul/rem that we

want to do; instead, we can use MachineInstr::addExternalSymbol(char*, bool) and
thus we don't have to modify the Module as we are code generating for it


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18025 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 0 insertions, 46 deletions

diff --git a/lib/Target/Sparc/SparcV8ISelSimple.cpp b/lib/Target/Sparc/SparcV8ISelSimple.cpp
index 2786c13f67..8c448fcad3 100644
--- a/lib/Target/Sparc/SparcV8ISelSimple.cpp
+++ b/lib/Target/Sparc/SparcV8ISelSimple.cpp
@@ -36,10 +36,6 @@ namespace {
     MachineBasicBlock *BB;              // The current MBB we are compiling
     int VarArgsOffset;                  // Offset from fp for start of varargs area
 
-    // External functions we may use in compiling the Module
-    Function *__div64Fn, *__mul64Fn, *__rem64Fn,
-      *__udiv64Fn, *__umul64Fn, *__urem64Fn;
-
     std::map<Value*, unsigned> RegMap;  // Mapping between Val's and SSA Regs
 
     // MBBMap - Mapping between LLVM BB -> Machine BB
@@ -47,25 +43,6 @@ namespace {
 
     V8ISel(TargetMachine &tm) : TM(tm), F(0), BB(0) {}
 
-    bool doInitialization(Module &M) {
-      // Add external functions that we may call
-      Type *l = Type::LongTy;
-      Type *ul = Type::ULongTy;
-      // long __div64(long, long);
-      __div64Fn = M.getOrInsertFunction("__div64", l, l, l, 0);
-      // long __div64(long, long);
-      __mul64Fn = M.getOrInsertFunction("__mul64", l, l, l, 0);
-      // long __div64(long, long);
-      __rem64Fn = M.getOrInsertFunction("__rem64", l, l, l, 0);
-      // unsigned long __udiv64(unsigned long, unsigned long);
-      __udiv64Fn = M.getOrInsertFunction("__udiv64", ul, ul, ul, 0);
-      // unsigned long __umul64(unsigned long, unsigned long);
-      __umul64Fn = M.getOrInsertFunction("__umul64", ul, ul, ul, 0);
-      // unsigned long __urem64(unsigned long, unsigned long);
-      __urem64Fn = M.getOrInsertFunction("__urem64", ul, ul, ul, 0);
-      return true;
-    }
-
     /// runOnFunction - Top level implementation of instruction selection for
     /// the entire function.
     ///
diff --git a/lib/Target/SparcV8/SparcV8ISelSimple.cpp b/lib/Target/SparcV8/SparcV8ISelSimple.cpp
index 2786c13f67..8c448fcad3 100644
--- a/lib/Target/SparcV8/SparcV8ISelSimple.cpp
+++ b/lib/Target/SparcV8/SparcV8ISelSimple.cpp
@@ -36,10 +36,6 @@ namespace {
     MachineBasicBlock *BB;              // The current MBB we are compiling
     int VarArgsOffset;                  // Offset from fp for start of varargs area
 
-    // External functions we may use in compiling the Module
-    Function *__div64Fn, *__mul64Fn, *__rem64Fn,
-      *__udiv64Fn, *__umul64Fn, *__urem64Fn;
-
     std::map<Value*, unsigned> RegMap;  // Mapping between Val's and SSA Regs
 
     // MBBMap - Mapping between LLVM BB -> Machine BB
@@ -47,25 +43,6 @@ namespace {
 
     V8ISel(TargetMachine &tm) : TM(tm), F(0), BB(0) {}
 
-    bool doInitialization(Module &M) {
-      // Add external functions that we may call
-      Type *l = Type::LongTy;
-      Type *ul = Type::ULongTy;
-      // long __div64(long, long);
-      __div64Fn = M.getOrInsertFunction("__div64", l, l, l, 0);
-      // long __div64(long, long);
-      __mul64Fn = M.getOrInsertFunction("__mul64", l, l, l, 0);
-      // long __div64(long, long);
-      __rem64Fn = M.getOrInsertFunction("__rem64", l, l, l, 0);
-      // unsigned long __udiv64(unsigned long, unsigned long);
-      __udiv64Fn = M.getOrInsertFunction("__udiv64", ul, ul, ul, 0);
-      // unsigned long __umul64(unsigned long, unsigned long);
-      __umul64Fn = M.getOrInsertFunction("__umul64", ul, ul, ul, 0);
-      // unsigned long __urem64(unsigned long, unsigned long);
-      __urem64Fn = M.getOrInsertFunction("__urem64", ul, ul, ul, 0);
-      return true;
-    }
-
     /// runOnFunction - Top level implementation of instruction selection for
     /// the entire function.
     ///