From 1c5711c12bc0ae250a20f4ae84d35373f021e280 Mon Sep 17 00:00:00 2001
From: "Nicolas B. Pierron" <nicolas.b.pierron@nbp.name>
Date: Fri, 6 Sep 2019 22:27:02 +0200
Subject: [PATCH] Basic Block: Fix IR builder library example. (#989)

---
 cranelift/frontend/src/lib.rs | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/cranelift/frontend/src/lib.rs b/cranelift/frontend/src/lib.rs
index 5b426d608f..eff5c655fd 100644
--- a/cranelift/frontend/src/lib.rs
+++ b/cranelift/frontend/src/lib.rs
@@ -50,10 +50,12 @@
 //!    jump block1
 //! block1:
 //!    z = z + y;
-//!    brnz y, block2;
+//!    brnz y, block3;
+//!    jump block2
+//! block2:
 //!    z = z - x;
 //!    return y
-//! block2:
+//! block3:
 //!    y = y - x
 //!    jump block1
 //! }
@@ -85,6 +87,7 @@
 //!         let block0 = builder.create_ebb();
 //!         let block1 = builder.create_ebb();
 //!         let block2 = builder.create_ebb();
+//!         let block3 = builder.create_ebb();
 //!         let x = Variable::new(0);
 //!         let y = Variable::new(1);
 //!         let z = Variable::new(2);
@@ -120,8 +123,12 @@
 //!         }
 //!         {
 //!             let arg = builder.use_var(y);
-//!             builder.ins().brnz(arg, block2, &[]);
+//!             builder.ins().brnz(arg, block3, &[]);
 //!         }
+//!         builder.ins().jump(block2, &[]);
+//!
+//!         builder.switch_to_block(block2);
+//!         builder.seal_block(block2);
 //!         {
 //!             let arg1 = builder.use_var(z);
 //!             let arg2 = builder.use_var(x);
@@ -133,8 +140,8 @@
 //!             builder.ins().return_(&[arg]);
 //!         }
 //!
-//!         builder.switch_to_block(block2);
-//!         builder.seal_block(block2);
+//!         builder.switch_to_block(block3);
+//!         builder.seal_block(block3);
 //!
 //!         {
 //!             let arg1 = builder.use_var(y);