Emit diagnostic if an inline asm constraint requires an immediate
Summary:
An inline asm call can result in an immediate after inlining. Therefore emit a
diagnostic here if constraint requires an immediate but one isn't supplied.
Reviewers: joerg, mgorny, efriedma, rsmith
Reviewed By: joerg
Subscribers: asb, rbar, johnrusso, simoncook, apazos, sabuasal, niosHD, zzheng, edward-jones, rogfer01, MartinMosbeck, brucehoult, the_o, PkmX, jocewei, s.egerton, MaskRay, jyknight, dylanmckay, javed.absar, fedor.sergeev, jrtc27, Jim, krytarowski, eraman, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D60942
llvm-svn: 367750
diff --git a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
index 62c6ba8..dfedbba 100644
--- a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
+++ b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
@@ -2407,6 +2407,10 @@
break;
case 'f':
return C_RegisterClass;
+ case 'I':
+ case 'J':
+ case 'K':
+ return C_Immediate;
}
}
return TargetLowering::getConstraintType(Constraint);