[PowerPC] Enable printing instructions using aliases
TableGen had been nicely generating code to print a number of instructions using
shorter aliases (and PowerPC has plenty of short mnemonics), but we were not
calling it. For some of the aliases we support in the parser, TableGen can't
infer the "inverse" alias relationship, so there is still more to do.
Thus, after some hours of updating test cases...
llvm-svn: 235616
diff --git a/llvm/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp b/llvm/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp
index 1576544..046682d 100644
--- a/llvm/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp
+++ b/llvm/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp
@@ -31,6 +31,7 @@
FullRegNames("ppc-asm-full-reg-names", cl::Hidden, cl::init(false),
cl::desc("Use full register names when printing assembly"));
+#define PRINT_ALIAS_INSTR
#include "PPCGenAsmWriter.inc"
void PPCInstPrinter::printRegName(raw_ostream &OS, unsigned RegNo) const {
@@ -111,8 +112,9 @@
// precision). FIXME: Is there a better solution?
if (MI->getOpcode() == TargetOpcode::COPY_TO_REGCLASS)
return;
-
- printInstruction(MI, O);
+
+ if (!printAliasInstr(MI, O))
+ printInstruction(MI, O);
printAnnotation(O, Annot);
}
diff --git a/llvm/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.h b/llvm/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.h
index eca37eb..3d83c72 100644
--- a/llvm/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.h
+++ b/llvm/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.h
@@ -39,6 +39,10 @@
void printInstruction(const MCInst *MI, raw_ostream &O);
static const char *getRegisterName(unsigned RegNo);
+ bool printAliasInstr(const MCInst *MI, raw_ostream &OS);
+ void printCustomAliasOperand(const MCInst *MI, unsigned OpIdx,
+ unsigned PrintMethodIdx,
+ raw_ostream &OS);
void printOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
void printPredicateOperand(const MCInst *MI, unsigned OpNo,