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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:20:39 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:20:39 +0000 |
| commit | 1376c5a617be5c25655d0d7cb63e3beaa5a6e026 (patch) | |
| tree | 3bb8d61aee02bc7a15eab3f36e3b921afc2075d0 /tests/codegen/issues/issue-105386-ub-in-debuginfo.rs | |
| parent | Releasing progress-linux version 1.69.0+dfsg1-1~progress7.99u1. (diff) | |
| download | rustc-1376c5a617be5c25655d0d7cb63e3beaa5a6e026.tar.xz rustc-1376c5a617be5c25655d0d7cb63e3beaa5a6e026.zip | |
Merging upstream version 1.70.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/codegen/issues/issue-105386-ub-in-debuginfo.rs')
| -rw-r--r-- | tests/codegen/issues/issue-105386-ub-in-debuginfo.rs | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/tests/codegen/issues/issue-105386-ub-in-debuginfo.rs b/tests/codegen/issues/issue-105386-ub-in-debuginfo.rs new file mode 100644 index 000000000..d54ac9e33 --- /dev/null +++ b/tests/codegen/issues/issue-105386-ub-in-debuginfo.rs @@ -0,0 +1,22 @@ +// compile-flags: --crate-type=lib -O -Cdebuginfo=2 -Cno-prepopulate-passes +// min-llvm-version: 15.0 # this test uses opaque pointer notation +#![feature(stmt_expr_attributes)] + +pub struct S([usize; 8]); + +#[no_mangle] +pub fn outer_function(x: S, y: S) -> usize { + (#[inline(always)]|| { + let _z = x; + y.0[0] + })() +} + +// Check that we do not attempt to load from the spilled arg before it is assigned to +// when generating debuginfo. +// CHECK-LABEL: @outer_function +// CHECK: [[spill:%.*]] = alloca %"[closure@{{.*.rs}}:9:23: 9:25]" +// CHECK-NOT: [[ptr_tmp:%.*]] = getelementptr inbounds %"[closure@{{.*.rs}}:9:23: 9:25]", ptr [[spill]] +// CHECK-NOT: [[load:%.*]] = load ptr, ptr +// CHECK: call void @llvm.lifetime.start{{.*}}({{.*}}, ptr [[spill]]) +// CHECK: call void @llvm.memcpy{{.*}}(ptr {{align .*}} [[spill]], ptr {{align .*}} %x |