| //@ compile-flags: -Copt-level=3 -C no-prepopulate-passes |
| //@ only-x86_64 (it's using arch-specific types) |
| |
| #![crate_type = "lib"] |
| |
| use std::arch::x86_64::{__m128, __m128i, __m256i}; |
| use std::mem::transmute; |
| |
| // CHECK-LABEL: @check_sse_pair_to_avx( |
| #[no_mangle] |
| pub unsafe fn check_sse_pair_to_avx(x: (__m128i, __m128i)) -> __m256i { |
| // CHECK: start: |
| // CHECK-NOT: alloca |
| // CHECK-NEXT: call void @llvm.memcpy.p0.p0.i64(ptr align 32 %_0, ptr align 16 %x, i64 32, i1 false) |
| // CHECK-NEXT: ret void |
| transmute(x) |
| } |
| |
| // CHECK-LABEL: @check_sse_pair_from_avx( |
| #[no_mangle] |
| pub unsafe fn check_sse_pair_from_avx(x: __m256i) -> (__m128i, __m128i) { |
| // CHECK: start: |
| // CHECK-NOT: alloca |
| // CHECK-NEXT: %[[TEMP:.+]] = load <4 x i64>, ptr %x, align 32 |
| // CHECK-NEXT: store <4 x i64> %[[TEMP]], ptr %_0, align 16 |
| // CHECK-NEXT: ret void |
| transmute(x) |
| } |
