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authorLzu Tao <taolzu@gmail.com>2024-05-20 21:33:53 +0000
committerLzu Tao <taolzu@gmail.com>2024-06-09 07:35:24 +0000
commit5f527eb562ff670cf9545817575ff6a7f6088bc7 (patch)
tree7f40051e377683ee3a24a855b10e0c2b6a1adbb7 /tests/codegen/issues/issue-68667-unwrap-combinators.rs
parentbf178187c7d7f671d233b012e6ebcd53e3d60a62 (diff)
downloadrust-5f527eb562ff670cf9545817575ff6a7f6088bc7.tar.gz
rust-5f527eb562ff670cf9545817575ff6a7f6088bc7.zip
add codegen test for #68667
Diffstat (limited to 'tests/codegen/issues/issue-68667-unwrap-combinators.rs')
-rw-r--r--tests/codegen/issues/issue-68667-unwrap-combinators.rs17
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/codegen/issues/issue-68667-unwrap-combinators.rs b/tests/codegen/issues/issue-68667-unwrap-combinators.rs
new file mode 100644
index 00000000000..05760dc9b55
--- /dev/null
+++ b/tests/codegen/issues/issue-68667-unwrap-combinators.rs
@@ -0,0 +1,17 @@
+#![crate_type = "lib"]
+
+//@ compile-flags: -O
+
+// MIR inlining now optimizes this code.
+
+// CHECK-LABEL: @unwrap_combinators
+// CHECK: icmp
+// CHECK-NEXT: icmp
+// CHECK-NEXT: select i1
+// CHECK-NEXT: ret i1
+#[no_mangle]
+pub fn unwrap_combinators(a: Option<i32>, b: i32) -> bool {
+    a.map(|t| t >= b)
+     .unwrap_or(false)
+}
+