From 19444649e7f5c230a22a1a3142003ab91a8b7d86 Mon Sep 17 00:00:00 2001
From: Ujjwal Sharma <usharma1998@gmail.com>
Date: Tue, 1 Oct 2019 14:26:35 +0530
Subject: [PATCH] [codegen] add to_static_str method to IntCC

Add a method to_static_str to objects of type IntCC which consumes the
object to basically do the opposite of IntCC::new.

Refs: https://github.com/CraneStation/cranelift/pull/1081#discussion_r329042331
---
 cranelift/codegen/shared/src/condcodes.rs | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/cranelift/codegen/shared/src/condcodes.rs b/cranelift/codegen/shared/src/condcodes.rs
index 1171eef2f6..d151c49466 100644
--- a/cranelift/codegen/shared/src/condcodes.rs
+++ b/cranelift/codegen/shared/src/condcodes.rs
@@ -95,10 +95,11 @@ impl CondCode for IntCC {
     }
 }
 
-impl Display for IntCC {
-    fn fmt(&self, f: &mut Formatter) -> fmt::Result {
+impl IntCC {
+    /// Get the corresponding string condition code for the IntCC object.
+    pub fn to_static_str(self) -> &'static str {
         use self::IntCC::*;
-        f.write_str(match *self {
+        match self {
             Equal => "eq",
             NotEqual => "ne",
             SignedGreaterThan => "sgt",
@@ -111,7 +112,13 @@ impl Display for IntCC {
             UnsignedLessThanOrEqual => "ule",
             Overflow => "of",
             NotOverflow => "nof",
-        })
+        }
+    }
+}
+
+impl Display for IntCC {
+    fn fmt(&self, f: &mut Formatter) -> fmt::Result {
+        f.write_str(self.to_static_str())
     }
 }