1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
2 ; RUN: llc -mtriple aarch64-none-linux-gnu < %s | FileCheck %s --check-prefixes=CHECK-BASE
3 ; RUN: llc -mtriple aarch64-none-linux-gnu -aggressive-machine-cse < %s | FileCheck %s --check-prefixes=CHECK-AGGRESSIVE-CSE
5 define void @foo(ptr %buf, <8 x i16> %a) {
6 ; CHECK-BASE-LABEL: foo:
7 ; CHECK-BASE: // %bb.0: // %entry
8 ; CHECK-BASE-NEXT: movi v2.2d, #0000000000000000
9 ; CHECK-BASE-NEXT: // kill: def $q0 killed $q0 def $q0_q1
10 ; CHECK-BASE-NEXT: zip2 v2.8h, v0.8h, v2.8h
11 ; CHECK-BASE-NEXT: movi v1.2d, #0000000000000000
12 ; CHECK-BASE-NEXT: st2 { v0.4h, v1.4h }, [x0], #16
13 ; CHECK-BASE-NEXT: str q2, [x0]
14 ; CHECK-BASE-NEXT: ret
16 ; CHECK-AGGRESSIVE-CSE-LABEL: foo:
17 ; CHECK-AGGRESSIVE-CSE: // %bb.0: // %entry
18 ; CHECK-AGGRESSIVE-CSE-NEXT: // kill: def $q0 killed $q0 def $q0_q1
19 ; CHECK-AGGRESSIVE-CSE-NEXT: movi v1.2d, #0000000000000000
20 ; CHECK-AGGRESSIVE-CSE-NEXT: st2 { v0.4h, v1.4h }, [x0], #16
21 ; CHECK-AGGRESSIVE-CSE-NEXT: zip2 v0.8h, v0.8h, v1.8h
22 ; CHECK-AGGRESSIVE-CSE-NEXT: str q0, [x0]
23 ; CHECK-AGGRESSIVE-CSE-NEXT: ret
25 %vzip.i = shufflevector <8 x i16> %a, <8 x i16> <i16 0, i16 0, i16 0, i16 0, i16 poison, i16 poison, i16 poison, i16 poison>, <8 x i32> <i32 0, i32 8, i32 1, i32 9, i32 2, i32 10, i32 3, i32 11>
26 %vzip1.i = shufflevector <8 x i16> %a, <8 x i16> <i16 poison, i16 poison, i16 poison, i16 poison, i16 0, i16 0, i16 0, i16 0>, <8 x i32> <i32 4, i32 12, i32 5, i32 13, i32 6, i32 14, i32 7, i32 15>
27 store <8 x i16> %vzip.i, ptr %buf, align 4
28 %add.ptr = getelementptr inbounds i32, ptr %buf, i64 4
29 store <8 x i16> %vzip1.i, ptr %add.ptr, align 4