[msp430] Only support the 'm' inline assembly memory constraint. NFC.

Summary:
MSP430 doesn't seem to have any additional constraints. Therefore remove
the target hook.

No functional change intended.

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D8208


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235003 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Sanders 2015-04-15 12:51:28 +00:00
parent 97bf08c212
commit 8232560496

View File

@ -102,12 +102,6 @@ namespace llvm {
const std::string &Constraint,
MVT VT) const override;
unsigned getInlineAsmMemConstraint(
const std::string &ConstraintCode) const override {
// FIXME: Map different constraints differently.
return InlineAsm::Constraint_m;
}
/// isTruncateFree - Return true if it's free to truncate a value of type
/// Ty1 to type Ty2. e.g. On msp430 it's free to truncate a i16 value in
/// register R15W to i8 by referencing its sub-register R15B.