Support DWARF discriminators in object streamer.
Summary:
This adds support for emitting DWARF path discriminator values in
the object streamer. It also changes the DWARF dumper to show
discriminator values in the line table output.
Reviewers: echristo
CC: llvm-commits
Differential Revision: http://llvm-reviews.chandlerc.com/D2794
llvm-svn: 201427
diff --git a/llvm/lib/DebugInfo/DWARFDebugLine.h b/llvm/lib/DebugInfo/DWARFDebugLine.h
index 2990756..9e93cc8 100644
--- a/llvm/lib/DebugInfo/DWARFDebugLine.h
+++ b/llvm/lib/DebugInfo/DWARFDebugLine.h
@@ -112,6 +112,9 @@
// An unsigned integer whose value encodes the applicable instruction set
// architecture for the current instruction.
uint8_t Isa;
+ // An unsigned integer representing the DWARF path discriminator value
+ // for this location.
+ uint32_t Discriminator;
// A boolean indicating that the current instruction is the beginning of a
// statement.
uint8_t IsStmt:1,