Merge pull request rust-lang#46 from theotherphil/dumphir

Explain how to dump HIR
rchaser53 · Feb 8, 2018 · 39bf7d6 · 39bf7d6
2 parents 6ebe10d + 5ba0d6b
commit 39bf7d6
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diff --git a/src/hir.md b/src/hir.md
@@ -9,6 +9,13 @@ are converted into a `loop` and do not appear in the HIR).
 
 This chapter covers the main concepts of the HIR.
 
+You can view the HIR representation of your code by passing the
+`-Zunpretty=hir-tree` flag to rustc:
+
+```
+cargo rustc -- -Zunpretty=hir-tree
+```
+
 ### Out-of-band storage and the `Crate` type
 
 The top-level data-structure in the HIR is the `Crate`, which stores