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-rw-r--r--tests/codegen/issues/issue-101048.rs13
1 files changed, 13 insertions, 0 deletions
diff --git a/tests/codegen/issues/issue-101048.rs b/tests/codegen/issues/issue-101048.rs
new file mode 100644
index 000000000..efa4db93e
--- /dev/null
+++ b/tests/codegen/issues/issue-101048.rs
@@ -0,0 +1,13 @@
+// compile-flags: -O
+// min-llvm-version: 16
+
+#![crate_type = "lib"]
+
+#[no_mangle]
+pub fn all_zero(data: &[u64]) -> bool {
+ // CHECK-LABEL: @all_zero(
+ // CHECK: [[PHI:%.*]] = phi i1
+ // CHECK-NOT: phi i8
+ // CHECK-NOT: zext
+ data.iter().copied().fold(true, |acc, x| acc & (x == 0))
+}