Define target value types in a form usable by target-independent code

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7375 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/CodeGen/ValueTypes.h b/include/llvm/CodeGen/ValueTypes.h
new file mode 100644 (file)
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--- /dev/null
+++ b/include/llvm/CodeGen/ValueTypes.h
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+//===- CodeGen/ValueTypes.h - Low-Level Target independ. types --*- C++ -*-===//
+//
+// This file defines the set of low-level target independent types which various
+// values in the code generator are.  This allows the target specific behavior
+// of instructions to be described to target independent passes.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CODEGEN_VALUETYPES_H
+#define LLVM_CODEGEN_VALUETYPES_H
+
+/// MVT namespace - This namespace defines the ValueType enum, which contains
+/// the various low-level value types.
+///
+namespace MVT {  // MRF = Machine Register Flags
+  enum ValueType {
+    Other          =   0 << 0,   // This is a non-standard value
+    i1             =   1 << 0,   // This is a 1 bit integer value
+    i8             =   1 << 1,   // This is an 8 bit integer value
+    i16            =   1 << 2,   // This is a 16 bit integer value
+    i32            =   1 << 3,   // This is a 32 bit integer value
+    i64            =   1 << 4,   // This is a 64 bit integer value
+    i128           =   1 << 5,   // This is a 128 bit integer value
+
+    f32             =   1 << 6,   // This is a 32 bit floating point value
+    f64             =   1 << 7,   // This is a 64 bit floating point value
+    f80             =   1 << 8,   // This is a 80 bit floating point value
+    f128            =   1 << 9,   // This is a 128 bit floating point value
+  };
+};
+
+#endif
+