Implement indirect function calls
llvm-svn: 5024
diff --git a/llvm/lib/Target/X86/InstSelectSimple.cpp b/llvm/lib/Target/X86/InstSelectSimple.cpp
index d9759c4..4a44dbf 100644
--- a/llvm/lib/Target/X86/InstSelectSimple.cpp
+++ b/llvm/lib/Target/X86/InstSelectSimple.cpp
@@ -577,8 +577,14 @@
break;
}
}
- // Emit a CALL instruction with PC-relative displacement.
- BuildMI (BB, X86::CALLpcrel32, 1).addPCDisp (CI.getCalledValue ());
+
+ if (Function *F = CI.getCalledFunction()) {
+ // Emit a CALL instruction with PC-relative displacement.
+ BuildMI(BB, X86::CALLpcrel32, 1).addPCDisp(F);
+ } else {
+ unsigned Reg = getReg(CI.getCalledValue());
+ BuildMI(BB, X86::CALLr32, 1).addReg(Reg);
+ }
// Adjust the stack by `bytesPushed' amount if non-zero
if (bytesPushed > 0)