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| author | Albert Larsan <74931857+albertlarsan68@users.noreply.github.com> | 2023-01-05 09:13:28 +0100 |
|---|---|---|
| committer | Albert Larsan <74931857+albertlarsan68@users.noreply.github.com> | 2023-01-11 09:32:08 +0000 |
| commit | cf2dff2b1e3fa55fa5415d524200070d0d7aacfe (patch) | |
| tree | 40a88d9a46aaf3e8870676eb2538378b75a263eb /tests/codegen/slice-as_chunks.rs | |
| parent | ca855e6e42787ecd062d81d53336fe6788ef51a9 (diff) | |
| download | rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.tar.gz rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.zip | |
Move /src/test to /tests
Diffstat (limited to 'tests/codegen/slice-as_chunks.rs')
| -rw-r--r-- | tests/codegen/slice-as_chunks.rs | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/tests/codegen/slice-as_chunks.rs b/tests/codegen/slice-as_chunks.rs new file mode 100644 index 00000000000..48e3f73fc86 --- /dev/null +++ b/tests/codegen/slice-as_chunks.rs @@ -0,0 +1,33 @@ +// no-system-llvm +// compile-flags: -O +// only-64bit (because the LLVM type of i64 for usize shows up) +// ignore-debug: the debug assertions get in the way + +#![crate_type = "lib"] +#![feature(slice_as_chunks)] + +// CHECK-LABEL: @chunks4 +#[no_mangle] +pub fn chunks4(x: &[u8]) -> &[[u8; 4]] { + // CHECK-NEXT: start: + // CHECK-NEXT: lshr i64 %x.1, 2 + // CHECK-NOT: shl + // CHECK-NOT: mul + // CHECK-NOT: udiv + // CHECK-NOT: urem + // CHECK: ret + x.as_chunks().0 +} + +// CHECK-LABEL: @chunks4_with_remainder +#[no_mangle] +pub fn chunks4_with_remainder(x: &[u8]) -> (&[[u8; 4]], &[u8]) { + // CHECK: and i64 %x.1, -4 + // CHECK: and i64 %x.1, 3 + // CHECK: lshr exact + // CHECK-NOT: mul + // CHECK-NOT: udiv + // CHECK-NOT: urem + // CHECK: ret + x.as_chunks() +} |