Add support for referencing global variables/functions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4907 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/InstSelectSimple.cpp b/lib/Target/X86/InstSelectSimple.cpp
index 04827f0..56ce189 100644
--- a/lib/Target/X86/InstSelectSimple.cpp
+++ b/lib/Target/X86/InstSelectSimple.cpp
@@ -133,8 +133,14 @@
// If this operand is a constant, emit the code to copy the constant into
// the register here...
//
- if (Constant *C = dyn_cast<Constant>(V))
+ if (Constant *C = dyn_cast<Constant>(V)) {
copyConstantToRegister(C, Reg);
+ } else if (GlobalValue *GV = dyn_cast<GlobalValue>(V)) {
+ // Move the address of the global into the register
+ BuildMI(BB, X86::MOVir32, 1, Reg).addReg(GV);
+ } else {
+ assert(0 && "Don't know how to handle a value of this type!");
+ }
return Reg;
}