From e02c5b5930c2c9ba3e5423fe12e2ef0155017297 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 30 May 2024 20:31:36 +0200 Subject: Merging upstream version 1.74.1+dfsg1. Signed-off-by: Daniel Baumann --- tests/codegen/lib-optimizations/iter-sum.rs | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 tests/codegen/lib-optimizations/iter-sum.rs (limited to 'tests/codegen/lib-optimizations') diff --git a/tests/codegen/lib-optimizations/iter-sum.rs b/tests/codegen/lib-optimizations/iter-sum.rs new file mode 100644 index 000000000..ff7ca6ef6 --- /dev/null +++ b/tests/codegen/lib-optimizations/iter-sum.rs @@ -0,0 +1,15 @@ +// ignore-debug: the debug assertions get in the way +// compile-flags: -O +// only-x86_64 (vectorization varies between architectures) +#![crate_type = "lib"] + + +// Ensure that slice + take + sum gets vectorized. +// Currently this relies on the slice::Iter::try_fold implementation +// CHECK-LABEL: @slice_take_sum +#[no_mangle] +pub fn slice_take_sum(s: &[u64], l: usize) -> u64 { + // CHECK: vector.body: + // CHECK: ret + s.iter().take(l).sum() +} -- cgit v1.2.3