From c903735ea8ad9a13bf2b91eb0e5bf2e34eb48d96 Mon Sep 17 00:00:00 2001
From: "Nicolas B. Pierron" <nicolas.b.pierron@nbp.name>
Date: Thu, 1 Aug 2019 15:08:06 +0200
Subject: [PATCH] Shrink: Factor accesses of instruction data

---
 cranelift/codegen/src/binemit/shrink.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/cranelift/codegen/src/binemit/shrink.rs b/cranelift/codegen/src/binemit/shrink.rs
index 281a93ae31..0f9838c8ab 100644
--- a/cranelift/codegen/src/binemit/shrink.rs
+++ b/cranelift/codegen/src/binemit/shrink.rs
@@ -33,11 +33,12 @@ pub fn shrink_instructions(func: &mut Function, isa: &dyn TargetIsa) {
                 //
                 // TODO: Eventually, we want the register allocator to avoid leaving these special
                 // instructions behind, but for now, just temporarily avoid trying to shrink them.
-                match func.dfg[inst] {
+                let inst_data = &func.dfg[inst];
+                match inst_data {
                     InstructionData::RegMove { .. }
                     | InstructionData::RegFill { .. }
                     | InstructionData::RegSpill { .. } => {
-                        divert.apply(&func.dfg[inst]);
+                        divert.apply(inst_data);
                         continue;
                     }
                     _ => (),