ARM: .end_data_region mismatch in Thumb2.
32-bit offset jump tables just use real branch instructions and so aren't
marked as data regions. We were still emitting the .end_data_region
marker though, which assert()ed.
rdar://11499158
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157221 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMAsmPrinter.cpp b/lib/Target/ARM/ARMAsmPrinter.cpp
index e781498..2a70a37 100644
--- a/lib/Target/ARM/ARMAsmPrinter.cpp
+++ b/lib/Target/ARM/ARMAsmPrinter.cpp
@@ -1036,8 +1036,11 @@
OutContext);
OutStreamer.EmitValue(Expr, OffsetWidth);
}
- // Mark the end of jump table data-in-code region.
- OutStreamer.EmitDataRegion(MCDR_DataRegionEnd);
+ // Mark the end of jump table data-in-code region. 32-bit offsets use
+ // actual branch instructions here, so we don't mark those as a data-region
+ // at all.
+ if (OffsetWidth != 4)
+ OutStreamer.EmitDataRegion(MCDR_DataRegionEnd);
}
void ARMAsmPrinter::PrintDebugValueComment(const MachineInstr *MI,