From d7b66968f93aa29cb3259c397e21407177f2e468 Mon Sep 17 00:00:00 2001
From: Jakob Stoklund Olesen <stoklund@2pi.dk>
Date: Wed, 22 Aug 2012 23:33:58 +0000
Subject: Print out the location of expanded multiclass defs in TableGen
 errors.

When reporting an error for a defm, we would previously only report the
location of the outer defm, which is not always where the error is.

Now we also print the location of the expanded multiclass defs:

lib/Target/X86/X86InstrSSE.td:2902:12: error: foo
  defm ADD : basic_sse12_fp_binop_s<0x58, "add", fadd, SSE_ALU_ITINS_S>,
             ^
lib/Target/X86/X86InstrSSE.td:2801:11: note: instantiated from multiclass
  defm PD : sse12_fp_packed<opc, !strconcat(OpcodeStr, "pd"), OpNode, VR128,
            ^
lib/Target/X86/X86InstrSSE.td:194:5: note: instantiated from multiclass
    def rm : PI<opc, MRMSrcMem, (outs RC:$dst), (ins RC:$src1, x86memop:$src2),
        ^

llvm-svn: 162409
---
 llvm/utils/TableGen/CodeGenInstruction.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'llvm/utils/TableGen/CodeGenInstruction.cpp')

diff --git a/llvm/utils/TableGen/CodeGenInstruction.cpp b/llvm/utils/TableGen/CodeGenInstruction.cpp
index 12e153a6651..cbfa047e0c2 100644
--- a/llvm/utils/TableGen/CodeGenInstruction.cpp
+++ b/llvm/utils/TableGen/CodeGenInstruction.cpp
@@ -409,7 +409,7 @@ FlattenAsmStringVariants(StringRef Cur, unsigned Variant) {
 /// successful match, with ResOp set to the result operand to be used.
 bool CodeGenInstAlias::tryAliasOpMatch(DagInit *Result, unsigned AliasOpNo,
                                        Record *InstOpRec, bool hasSubOps,
-                                       SMLoc Loc, CodeGenTarget &T,
+                                       ArrayRef<SMLoc> Loc, CodeGenTarget &T,
                                        ResultOperand &ResOp) {
   Init *Arg = Result->getArg(AliasOpNo);
   DefInit *ADI = dynamic_cast<DefInit*>(Arg);
-- 
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