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| author | Eduard-Mihai Burtescu <edy.burt@gmail.com> | 2017-12-01 18:36:58 +0200 |
|---|---|---|
| committer | Eduard-Mihai Burtescu <edy.burt@gmail.com> | 2017-12-02 00:29:56 +0200 |
| commit | d4559554454e8dc6eff2b7002baff2a5372e3dda (patch) | |
| tree | 1d0f56f323cb8c8a191e439e2e80f19547010d32 /src/test/codegen/packed.rs | |
| parent | bb42071f63830a984c4983f6fbdf982916857f72 (diff) | |
| download | rust-d4559554454e8dc6eff2b7002baff2a5372e3dda.tar.gz rust-d4559554454e8dc6eff2b7002baff2a5372e3dda.zip | |
rustc: don't unpack newtypes of scalar-pairs with mismatched alignment.
Diffstat (limited to 'src/test/codegen/packed.rs')
| -rw-r--r-- | src/test/codegen/packed.rs | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/test/codegen/packed.rs b/src/test/codegen/packed.rs index dd530cf03cd..022f581278c 100644 --- a/src/test/codegen/packed.rs +++ b/src/test/codegen/packed.rs @@ -57,3 +57,14 @@ pub fn pkd_pair(pair1: &mut PackedPair, pair2: &mut PackedPair) { // CHECK: call void @llvm.memcpy.{{.*}}(i8* %{{.*}}, i8* %{{.*}}, i{{[0-9]+}} 5, i32 1, i1 false) *pair2 = *pair1; } + +#[repr(packed)] +#[derive(Copy, Clone)] +pub struct PackedNestedPair((u32, u32)); + +// CHECK-LABEL: @pkd_nested_pair +#[no_mangle] +pub fn pkd_nested_pair(pair1: &mut PackedNestedPair, pair2: &mut PackedNestedPair) { +// CHECK: call void @llvm.memcpy.{{.*}}(i8* %{{.*}}, i8* %{{.*}}, i{{[0-9]+}} 8, i32 1, i1 false) + *pair2 = *pair1; +} |