x86 CPU detection and proper subtarget support
llvm-svn: 25679
diff --git a/llvm/lib/Target/X86/X86ISelLowering.h b/llvm/lib/Target/X86/X86ISelLowering.h
index 9c61bc8..5787962 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.h
+++ b/llvm/lib/Target/X86/X86ISelLowering.h
@@ -15,6 +15,7 @@
#ifndef X86ISELLOWERING_H
#define X86ISELLOWERING_H
+#include "X86Subtarget.h"
#include "llvm/Target/TargetLowering.h"
#include "llvm/CodeGen/SelectionDAG.h"
@@ -227,6 +228,13 @@
std::pair<SDOperand, SDOperand>
LowerFastCCCallTo(SDOperand Chain, const Type *RetTy, bool isTailCall,
SDOperand Callee, ArgListTy &Args, SelectionDAG &DAG);
+
+ /// Subtarget - Keep a pointer to the X86Subtarget around so that we can
+ /// make the right decision when generating code for different targets.
+ const X86Subtarget *Subtarget;
+
+ /// X86ScalarSSE - Select between SSE2 or x87 floating point ops.
+ bool X86ScalarSSE;
};
}