2 ; RUN: llc < %s -mtriple=arm64-linux-gnu -mcpu=cortex-a57 -verify-misched -debug-only=machine-scheduler -o - 2>&1 > /dev/null | FileCheck %s
3 ; RUN: llc < %s -mtriple=arm64-linux-gnu -mcpu=exynos-m1 -verify-misched -debug-only=machine-scheduler -o - 2>&1 > /dev/null | FileCheck --check-prefix=EXYNOSM1 %s
4 ; RUN: llc < %s -mtriple=arm64-linux-gnu -mcpu=exynos-m3 -verify-misched -debug-only=machine-scheduler -o - 2>&1 > /dev/null | FileCheck %s
7 ; CHECK: ********** MI Scheduling **********
8 ; CHECK-LABEL: ldr_int:%bb.0
9 ; CHECK: Cluster ld/st SU(1) - SU(2)
10 ; CHECK: SU(1): %{{[0-9]+}}:gpr32 = LDRWui
11 ; CHECK: SU(2): %{{[0-9]+}}:gpr32 = LDRWui
12 ; EXYNOSM1: ********** MI Scheduling **********
13 ; EXYNOSM1-LABEL: ldr_int:%bb.0
14 ; EXYNOSM1: Cluster ld/st SU(1) - SU(2)
15 ; EXYNOSM1: SU(1): %{{[0-9]+}}:gpr32 = LDRWui
16 ; EXYNOSM1: SU(2): %{{[0-9]+}}:gpr32 = LDRWui
17 define i32 @ldr_int(i32* %a) nounwind {
18 %p1 = getelementptr inbounds i32, i32* %a, i32 1
19 %tmp1 = load i32, i32* %p1, align 2
20 %p2 = getelementptr inbounds i32, i32* %a, i32 2
21 %tmp2 = load i32, i32* %p2, align 2
22 %tmp3 = add i32 %tmp1, %tmp2
26 ; Test ldpsw clustering
27 ; CHECK: ********** MI Scheduling **********
28 ; CHECK-LABEL: ldp_sext_int:%bb.0
29 ; CHECK: Cluster ld/st SU(1) - SU(2)
30 ; CHECK: SU(1): %{{[0-9]+}}:gpr64 = LDRSWui
31 ; CHECK: SU(2): %{{[0-9]+}}:gpr64 = LDRSWui
32 ; EXYNOSM1: ********** MI Scheduling **********
33 ; EXYNOSM1-LABEL: ldp_sext_int:%bb.0
34 ; EXYNOSM1: Cluster ld/st SU(1) - SU(2)
35 ; EXYNOSM1: SU(1): %{{[0-9]+}}:gpr64 = LDRSWui
36 ; EXYNOSM1: SU(2): %{{[0-9]+}}:gpr64 = LDRSWui
37 define i64 @ldp_sext_int(i32* %p) nounwind {
38 %tmp = load i32, i32* %p, align 4
39 %add.ptr = getelementptr inbounds i32, i32* %p, i64 1
40 %tmp1 = load i32, i32* %add.ptr, align 4
41 %sexttmp = sext i32 %tmp to i64
42 %sexttmp1 = sext i32 %tmp1 to i64
43 %add = add nsw i64 %sexttmp1, %sexttmp
47 ; Test ldur clustering.
48 ; CHECK: ********** MI Scheduling **********
49 ; CHECK-LABEL: ldur_int:%bb.0
50 ; CHECK: Cluster ld/st SU(2) - SU(1)
51 ; CHECK: SU(1): %{{[0-9]+}}:gpr32 = LDURWi
52 ; CHECK: SU(2): %{{[0-9]+}}:gpr32 = LDURWi
53 ; EXYNOSM1: ********** MI Scheduling **********
54 ; EXYNOSM1-LABEL: ldur_int:%bb.0
55 ; EXYNOSM1: Cluster ld/st SU(2) - SU(1)
56 ; EXYNOSM1: SU(1): %{{[0-9]+}}:gpr32 = LDURWi
57 ; EXYNOSM1: SU(2): %{{[0-9]+}}:gpr32 = LDURWi
58 define i32 @ldur_int(i32* %a) nounwind {
59 %p1 = getelementptr inbounds i32, i32* %a, i32 -1
60 %tmp1 = load i32, i32* %p1, align 2
61 %p2 = getelementptr inbounds i32, i32* %a, i32 -2
62 %tmp2 = load i32, i32* %p2, align 2
63 %tmp3 = add i32 %tmp1, %tmp2
67 ; Test sext + zext clustering.
68 ; CHECK: ********** MI Scheduling **********
69 ; CHECK-LABEL: ldp_half_sext_zext_int:%bb.0
70 ; CHECK: Cluster ld/st SU(3) - SU(4)
71 ; CHECK: SU(3): %{{[0-9]+}}:gpr64 = LDRSWui
72 ; CHECK: SU(4): undef %{{[0-9]+}}.sub_32:gpr64 = LDRWui
73 ; EXYNOSM1: ********** MI Scheduling **********
74 ; EXYNOSM1-LABEL: ldp_half_sext_zext_int:%bb.0
75 ; EXYNOSM1: Cluster ld/st SU(3) - SU(4)
76 ; EXYNOSM1: SU(3): %{{[0-9]+}}:gpr64 = LDRSWui
77 ; EXYNOSM1: SU(4): undef %{{[0-9]+}}.sub_32:gpr64 = LDRWui
78 define i64 @ldp_half_sext_zext_int(i64* %q, i32* %p) nounwind {
79 %tmp0 = load i64, i64* %q, align 4
80 %tmp = load i32, i32* %p, align 4
81 %add.ptr = getelementptr inbounds i32, i32* %p, i64 1
82 %tmp1 = load i32, i32* %add.ptr, align 4
83 %sexttmp = sext i32 %tmp to i64
84 %sexttmp1 = zext i32 %tmp1 to i64
85 %add = add nsw i64 %sexttmp1, %sexttmp
86 %add1 = add nsw i64 %add, %tmp0
90 ; Test zext + sext clustering.
91 ; CHECK: ********** MI Scheduling **********
92 ; CHECK-LABEL: ldp_half_zext_sext_int:%bb.0
93 ; CHECK: Cluster ld/st SU(3) - SU(4)
94 ; CHECK: SU(3): undef %{{[0-9]+}}.sub_32:gpr64 = LDRWui
95 ; CHECK: SU(4): %{{[0-9]+}}:gpr64 = LDRSWui
96 ; EXYNOSM1: ********** MI Scheduling **********
97 ; EXYNOSM1-LABEL: ldp_half_zext_sext_int:%bb.0
98 ; EXYNOSM1: Cluster ld/st SU(3) - SU(4)
99 ; EXYNOSM1: SU(3): undef %{{[0-9]+}}.sub_32:gpr64 = LDRWui
100 ; EXYNOSM1: SU(4): %{{[0-9]+}}:gpr64 = LDRSWui
101 define i64 @ldp_half_zext_sext_int(i64* %q, i32* %p) nounwind {
102 %tmp0 = load i64, i64* %q, align 4
103 %tmp = load i32, i32* %p, align 4
104 %add.ptr = getelementptr inbounds i32, i32* %p, i64 1
105 %tmp1 = load i32, i32* %add.ptr, align 4
106 %sexttmp = zext i32 %tmp to i64
107 %sexttmp1 = sext i32 %tmp1 to i64
108 %add = add nsw i64 %sexttmp1, %sexttmp
109 %add1 = add nsw i64 %add, %tmp0
113 ; Verify we don't cluster volatile loads.
114 ; CHECK: ********** MI Scheduling **********
115 ; CHECK-LABEL: ldr_int_volatile:%bb.0
116 ; CHECK-NOT: Cluster ld/st
117 ; CHECK: SU(1): %{{[0-9]+}}:gpr32 = LDRWui
118 ; CHECK: SU(2): %{{[0-9]+}}:gpr32 = LDRWui
119 ; EXYNOSM1: ********** MI Scheduling **********
120 ; EXYNOSM1-LABEL: ldr_int_volatile:%bb.0
121 ; EXYNOSM1-NOT: Cluster ld/st
122 ; EXYNOSM1: SU(1): %{{[0-9]+}}:gpr32 = LDRWui
123 ; EXYNOSM1: SU(2): %{{[0-9]+}}:gpr32 = LDRWui
124 define i32 @ldr_int_volatile(i32* %a) nounwind {
125 %p1 = getelementptr inbounds i32, i32* %a, i32 1
126 %tmp1 = load volatile i32, i32* %p1, align 2
127 %p2 = getelementptr inbounds i32, i32* %a, i32 2
128 %tmp2 = load volatile i32, i32* %p2, align 2
129 %tmp3 = add i32 %tmp1, %tmp2
133 ; Test ldq clustering (no clustering for Exynos).
134 ; CHECK: ********** MI Scheduling **********
135 ; CHECK-LABEL: ldq_cluster:%bb.0
136 ; CHECK: Cluster ld/st SU(1) - SU(3)
137 ; CHECK: SU(1): %{{[0-9]+}}:fpr128 = LDRQui
138 ; CHECK: SU(3): %{{[0-9]+}}:fpr128 = LDRQui
139 ; EXYNOSM1: ********** MI Scheduling **********
140 ; EXYNOSM1-LABEL: ldq_cluster:%bb.0
141 ; EXYNOSM1-NOT: Cluster ld/st
142 define <2 x i64> @ldq_cluster(i64* %p) {
143 %a1 = bitcast i64* %p to <2 x i64>*
144 %tmp1 = load <2 x i64>, < 2 x i64>* %a1, align 8
145 %add.ptr2 = getelementptr inbounds i64, i64* %p, i64 2
146 %a2 = bitcast i64* %add.ptr2 to <2 x i64>*
147 %tmp2 = add nsw <2 x i64> %tmp1, %tmp1
148 %tmp3 = load <2 x i64>, <2 x i64>* %a2, align 8
149 %res = mul nsw <2 x i64> %tmp2, %tmp3