Remove getRegClassForInlineAsmConstraint from MBlaze. Add a TODO comment
for the port.
Part of rdar://9643582
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134085 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/MBlaze/MBlazeISelLowering.cpp b/lib/Target/MBlaze/MBlazeISelLowering.cpp
index c5e0a89..ba2de40 100644
--- a/lib/Target/MBlaze/MBlazeISelLowering.cpp
+++ b/lib/Target/MBlaze/MBlazeISelLowering.cpp
@@ -1114,15 +1114,19 @@
return weight;
}
-/// getRegClassForInlineAsmConstraint - Given a constraint letter (e.g. "r"),
-/// return a list of registers that can be used to satisfy the constraint.
-/// This should only be used for C_RegisterClass constraints.
+/// 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*> MBlazeTargetLowering::
getRegForInlineAsmConstraint(const std::string &Constraint, EVT VT) const {
if (Constraint.size() == 1) {
switch (Constraint[0]) {
case 'r':
return std::make_pair(0U, MBlaze::GPRRegisterClass);
+ // TODO: These can't possibly be right, but match what was in
+ // getRegClassForInlineAsmConstraint.
+ case 'd':
+ case 'y':
case 'f':
if (VT == MVT::f32)
return std::make_pair(0U, MBlaze::GPRRegisterClass);
@@ -1131,32 +1135,6 @@
return TargetLowering::getRegForInlineAsmConstraint(Constraint, VT);
}
-/// 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::vector<unsigned> MBlazeTargetLowering::
-getRegClassForInlineAsmConstraint(const std::string &Constraint, EVT VT) const {
- if (Constraint.size() != 1)
- return std::vector<unsigned>();
-
- switch (Constraint[0]) {
- default : break;
- case 'r':
- // GCC MBlaze Constraint Letters
- case 'd':
- case 'y':
- case 'f':
- return make_vector<unsigned>(
- MBlaze::R3, MBlaze::R4, MBlaze::R5, MBlaze::R6,
- MBlaze::R7, MBlaze::R9, MBlaze::R10, MBlaze::R11,
- MBlaze::R12, MBlaze::R19, MBlaze::R20, MBlaze::R21,
- MBlaze::R22, MBlaze::R23, MBlaze::R24, MBlaze::R25,
- MBlaze::R26, MBlaze::R27, MBlaze::R28, MBlaze::R29,
- MBlaze::R30, MBlaze::R31, 0);
- }
- return std::vector<unsigned>();
-}
-
bool MBlazeTargetLowering::
isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const {
// The MBlaze target isn't yet aware of offsets.