Files
rust/tests/codegen-llvm
Jacob Pratt 4c7e6565ef Rollup merge of #153411 - Sa4dUs:offload-slices, r=ZuseZ4
Offload slice support

This PR allows offload to support slice type arguments.

~NOTE: this is built on top of https://github.com/rust-lang/rust/pull/152283~

r? @ZuseZ4
2026-04-20 20:50:20 -04:00
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The files here use the LLVM FileCheck framework, documented at https://llvm.org/docs/CommandGuide/FileCheck.html.

One extension worth noting is the use of revisions as custom prefixes for FileCheck. If your codegen test has different behavior based on the chosen target or different compiler flags that you want to exercise, you can use a revisions annotation, like so:

// revisions: aaa bbb
// [bbb] compile-flags: --flags-for-bbb

After specifying those variations, you can write different expected, or explicitly unexpected output by using <prefix>-SAME: and <prefix>-NOT:, like so:

// CHECK: expected code
// aaa-SAME: emitted-only-for-aaa
// aaa-NOT:                        emitted-only-for-bbb
// bbb-NOT:  emitted-only-for-aaa
// bbb-SAME:                       emitted-only-for-bbb