From edd2bf12fdd7be176634aa68957a99493a999a48 Mon Sep 17 00:00:00 2001
From: bjorn3 <bjorn3@users.noreply.github.com>
Date: Tue, 14 May 2019 15:54:04 +0200
Subject: [PATCH] Export ValueLocRange and
 DisplayFunctionAnnotations::default()

---
 cranelift/codegen/src/ir/function.rs | 3 ++-
 cranelift/codegen/src/lib.rs         | 2 +-
 cranelift/codegen/src/value_label.rs | 3 +++
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/cranelift/codegen/src/ir/function.rs b/cranelift/codegen/src/ir/function.rs
index a07b0318df..6a1d4cdd0d 100644
--- a/cranelift/codegen/src/ir/function.rs
+++ b/cranelift/codegen/src/ir/function.rs
@@ -228,7 +228,8 @@ pub struct DisplayFunctionAnnotations<'a> {
 }
 
 impl<'a> DisplayFunctionAnnotations<'a> {
-    fn default() -> Self {
+    /// Create a DisplayFunctionAnnotations with all fields set to None.
+    pub fn default() -> Self {
         DisplayFunctionAnnotations {
             isa: None,
             value_ranges: None,
diff --git a/cranelift/codegen/src/lib.rs b/cranelift/codegen/src/lib.rs
index 46ab39d971..5b809460cf 100644
--- a/cranelift/codegen/src/lib.rs
+++ b/cranelift/codegen/src/lib.rs
@@ -57,7 +57,7 @@ use std::collections::{hash_map, HashMap, HashSet};
 
 pub use crate::context::Context;
 pub use crate::legalizer::legalize_function;
-pub use crate::value_label::ValueLabelsRanges;
+pub use crate::value_label::{ValueLabelsRanges, ValueLocRange};
 pub use crate::verifier::verify_function;
 pub use crate::write::write_function;
 
diff --git a/cranelift/codegen/src/value_label.rs b/cranelift/codegen/src/value_label.rs
index f8efca7996..d70d6258fa 100644
--- a/cranelift/codegen/src/value_label.rs
+++ b/cranelift/codegen/src/value_label.rs
@@ -11,8 +11,11 @@ use std::vec::Vec;
 /// Value location range.
 #[derive(Debug, Clone, Copy)]
 pub struct ValueLocRange {
+    /// The ValueLoc containing a ValueLabel during this range.
     pub loc: ValueLoc,
+    /// The start of the range.
     pub start: u32,
+    /// The end of the range.
     pub end: u32,
 }