Better diagnostics when inline asm fails to allocate.
asm.c:2:7: error: ran out of registers during register allocation
asm(""::"r"(0), "r"(1), "r"(2), "r"(3), "r"(4), "r"(5), "r"(6), "r"(7), "r"(8), "r"(9));
^
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134310 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/RegAllocFast.cpp b/lib/CodeGen/RegAllocFast.cpp
index ee23194..b36a445 100644
--- a/lib/CodeGen/RegAllocFast.cpp
+++ b/lib/CodeGen/RegAllocFast.cpp
@@ -530,16 +530,10 @@
return assignVirtToPhysReg(LRE, BestReg);
}
- // Nothing we can do.
- std::string msg;
- raw_string_ostream Msg(msg);
- Msg << "Ran out of registers during register allocation!";
- if (MI->isInlineAsm()) {
- Msg << "\nPlease check your inline asm statement for "
- << "invalid constraints:\n";
- MI->print(Msg, TM);
- }
- report_fatal_error(Msg.str());
+ // Nothing we can do. Report an error and keep going with a bad allocation.
+ MI->emitError("ran out of registers during register allocation");
+ definePhysReg(MI, *AO.begin(), regFree);
+ assignVirtToPhysReg(LRE, *AO.begin());
}
/// defineVirtReg - Allocate a register for VirtReg and mark it as dirty.