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Two small enhancements for the JIT.

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When JITting a large project such as Boost it's quite hard to figure out the problematic inline asm without debug location. This patch provides debug location printout before the JIT aborts due to inline asm. printDebugLoc() was exposed from MachineInstr.cpp and reused here.

If the JIT run with debug info, don't bomb on DBG_VALUE but ignore them.

http://reviews.llvm.org/D3416

llvm-svn: 210201
This commit is contained in:
Yaron Keren 2014-06-04 17:35:28 +00:00
parent 7c97aca0c1
commit 9921f8bf3f
1 changed files with 6 additions and 1 deletions
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7
lib/Target/X86/X86CodeEmitter.cpp
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@ -1113,9 +1113,14 @@ void Emitter<CodeEmitter>::emitInstruction(MachineInstr &MI,
case TargetOpcode::INLINEASM:
// We allow inline assembler nodes with empty bodies - they can
// implicitly define registers, which is ok for JIT.
if (MI.getOperand(0).getSymbolName()[0])
if (MI.getOperand(0).getSymbolName()[0]) {
DebugLoc DL = MI.getDebugLoc();
DL.print(MI.getParent()->getParent()->getFunction()->getContext(),
llvm::errs());
report_fatal_error("JIT does not support inline asm!");
}
break;
case TargetOpcode::DBG_VALUE:
case TargetOpcode::CFI_INSTRUCTION:
break;
case TargetOpcode::GC_LABEL: