From 17fd7bda5ac08f873c063c64e1456f8960a0c765 Mon Sep 17 00:00:00 2001
From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Fri, 19 Nov 2010 07:41:23 +0000
Subject: Add a MCLineSectionOrder vector so that we produce the line tables in
 a deterministic order.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119795 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/MC/MCContext.h | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

(limited to 'include/llvm/MC/MCContext.h')

diff --git a/include/llvm/MC/MCContext.h b/include/llvm/MC/MCContext.h
index cec29fa..7d5258f 100644
--- a/include/llvm/MC/MCContext.h
+++ b/include/llvm/MC/MCContext.h
@@ -80,6 +80,9 @@ namespace llvm {
     /// The dwarf line information from the .loc directives for the sections
     /// with assembled machine instructions have after seeing .loc directives.
     DenseMap<const MCSection *, MCLineSection *> MCLineSections;
+    /// We need a deterministic iteration order, so we remember the order
+    /// the elements were added.
+    std::vector<const MCSection *> MCLineSectionOrder;
 
     /// Allocator - Allocator object used for creating machine code objects.
     ///
@@ -177,9 +180,18 @@ namespace llvm {
     const std::vector<StringRef> &getMCDwarfDirs() {
       return MCDwarfDirs;
     }
-    DenseMap<const MCSection *, MCLineSection *> &getMCLineSections() {
+
+    const DenseMap<const MCSection *, MCLineSection *>
+    &getMCLineSections() const {
       return MCLineSections;
     }
+    const std::vector<const MCSection *> &getMCLineSectionOrder() const {
+      return MCLineSectionOrder;
+    }
+    void addMCLineSection(const MCSection *Sec, MCLineSection *Line) {
+      MCLineSections[Sec] = Line;
+      MCLineSectionOrder.push_back(Sec);
+    }
 
     /// setCurrentDwarfLoc - saves the information from the currently parsed
     /// dwarf .loc directive and sets DwarfLocSeen.  When the next instruction
-- 
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