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Print out the location of expanded multiclass defs in TableGen errors.

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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),
        ^

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162409 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen
2012-08-22 23:33:58 +00:00
parent 6c6237f8dc
commit 376a8a773e
8 changed files with 41 additions and 22 deletions
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4
utils/TableGen/CodeGenRegisters.cpp
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@ -298,7 +298,7 @@ CodeGenRegister::computeSubRegs(CodeGenRegBank &RegBank) {
for (SubRegMap::const_iterator SI = SubRegs.begin(), SE = SubRegs.end();
SI != SE; ++SI) {
if (SI->second == this) {
SMLoc Loc;
ArrayRef<SMLoc> Loc;
if (TheDef)
Loc = TheDef->getLoc();
throw TGError(Loc, "Register " + getName() +
@ -310,7 +310,7 @@ CodeGenRegister::computeSubRegs(CodeGenRegBank &RegBank) {
if (Ins->second == SI->first)
continue;
// Trouble: Two different names for SI->second.
SMLoc Loc;
ArrayRef<SMLoc> Loc;
if (TheDef)
Loc = TheDef->getLoc();
throw TGError(Loc, "Sub-register can't have two names: " +