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AsmWriterEmitter.cpp assumes that all operands of a printed alias

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will appear after a blank. This assumption does not hold in the ARM
target.

Patch by: Roger Ferrer Ibanez

Differential Revision: http://reviews.llvm.org/D20234


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271666 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Sjoerd Meijer 2016-06-03 13:17:37 +00:00
parent 6762cdb53a
commit d02bd6484d
1 changed files with 4 additions and 3 deletions
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7
utils/TableGen/AsmWriterEmitter.cpp
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@ -1007,13 +1007,14 @@ void AsmWriterEmitter::EmitPrintAliasInstruction(raw_ostream &O) {
// Code that prints the alias, replacing the operands with the ones from the
// MCInst.
O << " unsigned I = 0;\n";
O << " while (AsmString[I] != ' ' && AsmString[I] != '\t' &&\n";
O << " AsmString[I] != '\\0')\n";
O << " while (AsmString[I] != ' ' && AsmString[I] != '\\t' &&\n";
O << " AsmString[I] != '$' && AsmString[I] != '\\0')\n";
O << " ++I;\n";
O << " OS << '\\t' << StringRef(AsmString, I);\n";
O << " if (AsmString[I] != '\\0') {\n";
O << " OS << '\\t';\n";
O << " if (AsmString[I] == ' ' || AsmString[I] == '\\t')";
O << " OS << '\\t';\n";
O << " do {\n";
O << " if (AsmString[I] == '$') {\n";
O << " ++I;\n";