Emit an error for illegal inline asm constraint (which uses illegal type) rather than asserting.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95746 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 8b380c6..24ac34c 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -131,6 +131,17 @@
}
}
+ /// areValueTypesLegal - Return true if types of all the values are legal.
+ bool areValueTypesLegal() {
+ for (unsigned Value = 0, e = ValueVTs.size(); Value != e; ++Value) {
+ EVT RegisterVT = RegVTs[Value];
+ if (!TLI->isTypeLegal(RegisterVT))
+ return false;
+ }
+ return true;
+ }
+
+
/// append - Add the specified values to this one.
void append(const RegsForValue &RHS) {
TLI = RHS.TLI;
@@ -5515,7 +5526,8 @@
"Don't know how to handle indirect register inputs yet!");
// Copy the input into the appropriate registers.
- if (OpInfo.AssignedRegs.Regs.empty()) {
+ if (OpInfo.AssignedRegs.Regs.empty() ||
+ !OpInfo.AssignedRegs.areValueTypesLegal()) {
llvm_report_error("Couldn't allocate input reg for"
" constraint '"+ OpInfo.ConstraintCode +"'!");
}