Move Alpha from getRegClassForInlineAsmConstraint to
getRegForInlineAsmConstraint.
Part of rdar://9643582
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134088 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Alpha/AlphaISelLowering.cpp b/lib/Target/Alpha/AlphaISelLowering.cpp
index 0875cfd..54433a4 100644
--- a/lib/Target/Alpha/AlphaISelLowering.cpp
+++ b/lib/Target/Alpha/AlphaISelLowering.cpp
@@ -824,41 +824,23 @@
return weight;
}
-std::vector<unsigned> AlphaTargetLowering::
-getRegClassForInlineAsmConstraint(const std::string &Constraint,
- EVT VT) const {
+/// Given a register class constraint, like 'r', if this corresponds directly
+/// to an LLVM register class, return a register of 0 and the register class
+/// pointer.
+std::pair<unsigned, const TargetRegisterClass*> AlphaTargetLowering::
+getRegForInlineAsmConstraint(const std::string &Constraint, EVT VT) const
+{
if (Constraint.size() == 1) {
switch (Constraint[0]) {
- default: break; // Unknown constriant letter
- case 'f':
- return make_vector<unsigned>(Alpha::F0 , Alpha::F1 , Alpha::F2 ,
- Alpha::F3 , Alpha::F4 , Alpha::F5 ,
- Alpha::F6 , Alpha::F7 , Alpha::F8 ,
- Alpha::F9 , Alpha::F10, Alpha::F11,
- Alpha::F12, Alpha::F13, Alpha::F14,
- Alpha::F15, Alpha::F16, Alpha::F17,
- Alpha::F18, Alpha::F19, Alpha::F20,
- Alpha::F21, Alpha::F22, Alpha::F23,
- Alpha::F24, Alpha::F25, Alpha::F26,
- Alpha::F27, Alpha::F28, Alpha::F29,
- Alpha::F30, Alpha::F31, 0);
case 'r':
- return make_vector<unsigned>(Alpha::R0 , Alpha::R1 , Alpha::R2 ,
- Alpha::R3 , Alpha::R4 , Alpha::R5 ,
- Alpha::R6 , Alpha::R7 , Alpha::R8 ,
- Alpha::R9 , Alpha::R10, Alpha::R11,
- Alpha::R12, Alpha::R13, Alpha::R14,
- Alpha::R15, Alpha::R16, Alpha::R17,
- Alpha::R18, Alpha::R19, Alpha::R20,
- Alpha::R21, Alpha::R22, Alpha::R23,
- Alpha::R24, Alpha::R25, Alpha::R26,
- Alpha::R27, Alpha::R28, Alpha::R29,
- Alpha::R30, Alpha::R31, 0);
+ return std::make_pair(0U, Alpha::GPRCRegisterClass);
+ case 'f':
+ return std::make_pair(0U, Alpha::F4RCRegisterClass);
}
}
-
- return std::vector<unsigned>();
+ return TargetLowering::getRegForInlineAsmConstraint(Constraint, VT);
}
+
//===----------------------------------------------------------------------===//
// Other Lowering Code
//===----------------------------------------------------------------------===//