Merge pull request #1228 from lqd/update-cranelift-benchmark

add `cranelift-codegen-0.82.1` benchmark

Author: nnethercote

collector/benchmarks/README.md

@@ -21,6 +21,8 @@ They mostly consist of real-world crates.
   programs.
 - **cranelift-codegen**: The largest crate from a code generator. Used by
   Firefox.
+- **cranelift-codegen-0.82.1**: The largest crate from a code generator. Used by
+  wasmtime.
 - **diesel**: A type safe SQL query builder. Utilizes the type system to
   ensure a lot of invariants. Stresses anything related to resolving
   trait bounds, by having a lot of trait impls for a large number of different

collector/benchmarks/cranelift-codegen-0.82.1/.cargo_vcs_info.json

@@ -0,0 +1,6 @@
+{
+  "git": {
+    "sha1": "5b09b74f4c5e0fd817febd3263947ee3682759bd"
+  },
+  "path_in_vcs": "cranelift/codegen"
+}

collector/benchmarks/cranelift-codegen-0.82.1/0-println.patch

@@ -0,0 +1,12 @@
+diff --git a/src/loop_analysis.rs b/src/loop_analysis.rs
+index 0e8715ae..4e44b2bd 100644
+--- a/src/loop_analysis.rs
++++ b/src/loop_analysis.rs
+@@ -163,6 +163,7 @@ impl LoopAnalysis {
+         domtree: &DominatorTree,
+         layout: &Layout,
+     ) {
++        println!("testing");
+         let mut stack: Vec<Block> = Vec::new();
+         // We handle each loop header in reverse order, corresponding to a pseudo postorder
+         // traversal of the graph.