2 ; RUN: llc < %s -mtriple=aarch64 -mcpu=cyclone -mattr=+slow-misaligned-128store -enable-misched -verify-misched -o - | FileCheck %s
4 ; Tests to check that the scheduler dependencies derived from alias analysis are
5 ; correct when we have loads that have been split up so that they can later be
8 ; Now that overwritten stores are elided in SelectionDAG, dependencies
9 ; are resolved and removed before MISCHED. Check that we have
10 ; equivalent pair of stp calls as a baseline.
12 ; CHECK-LABEL: test_splat
13 ; CHECK: ldr [[REG:w[0-9]+]], [x2]
14 ; CHECK-DAG: stp w0, [[REG]], [x2, #12]
15 ; CHECK-DAG: stp [[REG]], w1, [x2, #4]
16 define void @test_splat(i32 %x, i32 %y, ptr %p) {
18 %val = load i32, ptr %p, align 4
19 %0 = getelementptr inbounds i32, ptr %p, i64 1
20 %1 = getelementptr inbounds i32, ptr %p, i64 2
21 %2 = getelementptr inbounds i32, ptr %p, i64 3
22 %vec0 = insertelement <4 x i32> undef, i32 %val, i32 0
23 %vec1 = insertelement <4 x i32> %vec0, i32 %val, i32 1
24 %vec2 = insertelement <4 x i32> %vec1, i32 %val, i32 2
25 %vec3 = insertelement <4 x i32> %vec2, i32 %val, i32 3
26 store <4 x i32> %vec3, ptr %0, align 4
27 store i32 %x, ptr %2, align 4
28 store i32 %y, ptr %1, align 4
32 declare void @llvm.memset.p0.i64(ptr nocapture, i8, i64, i1)
33 %struct.tree_common = type { ptr, ptr, i32 }
35 ; CHECK-LABEL: test_zero
36 ; CHECK-DAG: stp x2, xzr, [x0, #8]
37 ; CHECK-DAG: str w1, [x0, #16]
38 ; CHECK-DAG: str xzr, [x0]
40 define void @test_zero(ptr %t, i32 %code, ptr %type) {
42 tail call void @llvm.memset.p0.i64(ptr align 8 %t, i8 0, i64 24, i1 false)
43 %code1 = getelementptr inbounds %struct.tree_common, ptr %t, i64 0, i32 2
44 store i32 %code, ptr %code1, align 8
45 %type2 = getelementptr inbounds %struct.tree_common, ptr %t, i64 0, i32 1
46 store ptr %type, ptr %type2, align 8