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Diffstat (limited to 'tests/codegen/move-operands.rs')
| -rw-r--r-- | tests/codegen/move-operands.rs | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/tests/codegen/move-operands.rs b/tests/codegen/move-operands.rs new file mode 100644 index 000000000..6c51324a3 --- /dev/null +++ b/tests/codegen/move-operands.rs @@ -0,0 +1,12 @@ +// compile-flags: -C no-prepopulate-passes -Zmir-enable-passes=+DestinationPropagation + +#![crate_type = "lib"] + +type T = [u8; 256]; + +#[no_mangle] +pub fn f(a: T, b: fn(_: T, _: T)) { + // CHECK: call void @llvm.memcpy.{{.*}}({{i8\*|ptr}} align 1 %{{.*}}, {{i8\*|ptr}} align 1 %{{.*}}, {{.*}} 256, i1 false) + // CHECK-NOT: call void @llvm.memcpy.{{.*}}({{i8\*|ptr}} align 1 %{{.*}}, {{i8\*|ptr}} align 1 %{{.*}}, {{.*}} 256, i1 false) + b(a, a) +} |