Handle ARM constant pool values that need an explicit reference to the '.'
pseudo-label. (TLS stuff).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118609 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMAsmPrinter.cpp b/lib/Target/ARM/ARMAsmPrinter.cpp
index 5672bff..30823d7 100644
--- a/lib/Target/ARM/ARMAsmPrinter.cpp
+++ b/lib/Target/ARM/ARMAsmPrinter.cpp
@@ -666,7 +666,7 @@
Twine Text(DataDirective, OS.str());
OutStreamer.EmitRawText(Text);
} else {
- assert(!ACPV->hasModifier() && !ACPV->mustAddCurrentAddress() &&
+ assert(!ACPV->hasModifier() &&
"ARM binary streamer of non-trivial constant pool value!");
if (ACPV->getPCAdjustment()) {
MCSymbol *PCLabel = getPICLabel(MAI->getPrivateGlobalPrefix(),
@@ -679,6 +679,14 @@
MCConstantExpr::Create(ACPV->getPCAdjustment(),
OutContext),
OutContext);
+ if (ACPV->mustAddCurrentAddress()) {
+ // We want "(<expr> - .)", but MC doesn't have a concept of the '.'
+ // label, so just emit a local label end reference that instead.
+ MCSymbol *DotSym = OutContext.CreateTempSymbol();
+ OutStreamer.EmitLabel(DotSym);
+ const MCExpr *DotExpr = MCSymbolRefExpr::Create(DotSym, OutContext);
+ Expr = MCBinaryExpr::CreateSub(Expr, DotExpr, OutContext);
+ }
Expr = MCBinaryExpr::CreateSub(Expr, PCRelExpr, OutContext);
}
OutStreamer.EmitValue(Expr, Size);