emit jump table an alias ".set" directives through MCStreamer as
assignments.
.set x, a-b
is the same as:
x = a-b
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94596 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index d2c1721..50e8877 100644
--- a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -336,7 +336,9 @@
printVisibility(Name, I->getVisibility());
- O << "\t.set\t" << *Name << ", " << *Target << '\n';
+ // Emit the directives as assignments aka .set:
+ OutStreamer.EmitAssignment(Name,
+ MCSymbolRefExpr::Create(Target, OutContext));
}
}
@@ -525,9 +527,11 @@
const MachineBasicBlock *MBB = JTBBs[ii];
if (!EmittedSets.insert(MBB)) continue;
- O << "\t.set\t"
- << *GetJTSetSymbol(JTI, MBB->getNumber()) << ','
- << *MBB->getSymbol(OutContext) << '-' << *Base << '\n';
+ // .set LJTSet, LBB32-base
+ const MCExpr *LHS =
+ MCSymbolRefExpr::Create(MBB->getSymbol(OutContext), OutContext);
+ OutStreamer.EmitAssignment(GetJTSetSymbol(JTI, MBB->getNumber()),
+ MCBinaryExpr::CreateSub(LHS, Base, OutContext));
}
}