Allow inline asm nodes with empty bodies inside JIT.
This unbreaks explicit reg vars inside JIT, which are
implemented in such hacky way :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55128 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86CodeEmitter.cpp b/lib/Target/X86/X86CodeEmitter.cpp
index ec93eb4..c3a1ed9 100644
--- a/lib/Target/X86/X86CodeEmitter.cpp
+++ b/lib/Target/X86/X86CodeEmitter.cpp
@@ -486,9 +486,13 @@
default:
assert(0 && "psuedo instructions should be removed before code emission");
break;
- case TargetInstrInfo::INLINEASM:
- assert(0 && "JIT does not support inline asm!\n");
+ case TargetInstrInfo::INLINEASM: {
+ const char* Value = MI.getOperand(0).getSymbolName();
+ /* We allow inline assembler nodes with empty bodies - they can
+ implicitly define registers, which is ok for JIT. */
+ assert((Value[0] == 0) && "JIT does not support inline asm!\n");
break;
+ }
case TargetInstrInfo::DBG_LABEL:
case TargetInstrInfo::EH_LABEL:
MCE.emitLabel(MI.getOperand(0).getImm());