[ARM] Introduce subtarget features per ARM architecture.
This allows for accurate architecture targeting as well as removing
duplicate information (hardcoded feature strings) from MCTargetDesc.
llvm-svn: 253196
diff --git a/llvm/lib/Target/ARM/ARMSubtarget.h b/llvm/lib/Target/ARM/ARMSubtarget.h
index 530aa63..cfba6d7 100644
--- a/llvm/lib/Target/ARM/ARMSubtarget.h
+++ b/llvm/lib/Target/ARM/ARMSubtarget.h
@@ -43,11 +43,17 @@
protected:
enum ARMProcFamilyEnum {
Others, CortexA5, CortexA7, CortexA8, CortexA9, CortexA12, CortexA15,
- CortexA17, CortexR4, CortexR4F, CortexR5, Swift, CortexA53, CortexA57, Krait,
+ CortexA17, CortexR4, CortexR4F, CortexR5, CortexR7, CortexA53, CortexA57,
+ CortexA72, Krait, Swift
};
enum ARMProcClassEnum {
None, AClass, RClass, MClass
};
+ enum ARMArchEnum {
+ ARMv2, ARMv2a, ARMv3, ARMv3m, ARMv4, ARMv4t, ARMv5, ARMv5t, ARMv5te,
+ ARMv5tej, ARMv6, ARMv6k, ARMv6z, ARMv6t2, ARMv6m, ARMv6sm, ARMv7a, ARMv7r,
+ ARMv7m, ARMv7em, ARMv8a, ARMv81a
+ };
/// ARMProcFamily - ARM processor family: Cortex-A8, Cortex-A9, and others.
ARMProcFamilyEnum ARMProcFamily;
@@ -55,6 +61,9 @@
/// ARMProcClass - ARM processor class: None, AClass, RClass or MClass.
ARMProcClassEnum ARMProcClass;
+ /// ARMArch - ARM architecture
+ ARMArchEnum ARMArch;
+
/// HasV4TOps, HasV5TOps, HasV5TEOps,
/// HasV6Ops, HasV6MOps, HasV6KOps, HasV6T2Ops, HasV7Ops, HasV8Ops -
/// Specify whether target support specific ARM ISA variants.