[MC] Add parameter `Address` to MCInstPrinter::printInst

printInst prints a branch/call instruction as `b offset` (there are many
variants on various targets) instead of `b address`.

It is a convention to use address instead of offset in most external
symbolizers/disassemblers. This difference makes `llvm-objdump -d`
output unsatisfactory.

Add `uint64_t Address` to printInst(), so that it can pass the argument to
printInstruction(). `raw_ostream &OS` is moved to the last to be
consistent with other print* methods.

The next step is to pass `Address` to printInstruction() (generated by
tablegen from the instruction set description). We can gradually migrate
targets to print addresses instead of offsets.

In any case, downstream projects which don't know `Address` can pass 0 as
the argument.

Reviewed By: jhenderson

Differential Revision: https://reviews.llvm.org/D72172

1 files changed, 3 insertions, 2 deletions

diff --git a/llvm/lib/Target/ARM/MCTargetDesc/ARMInstPrinter.cpp b/llvm/lib/Target/ARM/MCTargetDesc/ARMInstPrinter.cpp
index a1def61b58d..a3c27a56e14 100644
--- a/llvm/lib/Target/ARM/MCTargetDesc/ARMInstPrinter.cpp
+++ b/llvm/lib/Target/ARM/MCTargetDesc/ARMInstPrinter.cpp
@@ -88,8 +88,9 @@ void ARMInstPrinter::printRegName(raw_ostream &OS, unsigned RegNo) const {
   OS << markup("<reg:") << getRegisterName(RegNo, DefaultAltIdx) << markup(">");
 }
 
-void ARMInstPrinter::printInst(const MCInst *MI, raw_ostream &O,
-                               StringRef Annot, const MCSubtargetInfo &STI) {
+void ARMInstPrinter::printInst(const MCInst *MI, uint64_t Address,
+                               StringRef Annot, const MCSubtargetInfo &STI,
+                               raw_ostream &O) {
   unsigned Opcode = MI->getOpcode();
 
   switch (Opcode) {