1; RUN: llc -march=hexagon < %s | FileCheck %s
2
3; Check that a store with a proper addressing mode is selected for various
4; cases of storing an immediate value.
5
6
7@var_i8 = global [10 x i8] zeroinitializer, align 8
8
9; CHECK-LABEL: store_imm_i8:
10; CHECK: memb(r0+#0) = #-1
11define void @store_imm_i8(i8* %p) nounwind {
12  store i8 255, i8* %p, align 4
13  ret void
14}
15
16; CHECK-LABEL: store_rr_i8:
17; CHECK: [[RV:r[0-9]+]] = #255
18; CHECK: memb(r0+r1<<#0) = [[RV]]
19define void @store_rr_i8(i8* %p, i32 %x) nounwind {
20  %t0 = getelementptr i8, i8* %p, i32 %x
21  store i8 255, i8* %t0, align 4
22  ret void
23}
24
25; CHECK-LABEL: store_io_i8:
26; CHECK: [[RV:r[0-9]+]] = #255
27; CHECK: memb(r0+##var_i8) = [[RV]]
28define void @store_io_i8(i32 %x) nounwind {
29  %t0 = getelementptr [10 x i8], [10 x i8]* @var_i8, i32 0, i32 %x
30  store i8 255, i8* %t0, align 4
31  ret void
32}
33
34; CHECK-LABEL: store_ur_i8:
35; CHECK: [[RV:r[0-9]+]] = #255
36; CHECK: memb(r0<<#2+##var_i8) = [[RV]]
37define void @store_ur_i8(i32 %x) nounwind {
38  %t0 = shl i32 %x, 2
39  %t1 = getelementptr [10 x i8], [10 x i8]* @var_i8, i32 0, i32 %t0
40  store i8 255, i8* %t1, align 4
41  ret void
42}
43
44@var_i16 = global [10 x i16] zeroinitializer, align 8
45
46; CHECK-LABEL: store_imm_i16:
47; CHECK: memh(r0+#0) = #-1
48define void @store_imm_i16(i16* %p) nounwind {
49  store i16 65535, i16* %p, align 4
50  ret void
51}
52
53; CHECK-LABEL: store_rr_i16:
54; CHECK: [[RV:r[0-9]+]] = ##65535
55; CHECK: memh(r0+r1<<#1) = [[RV]]
56define void @store_rr_i16(i16* %p, i32 %x) nounwind {
57  %t0 = getelementptr i16, i16* %p, i32 %x
58  store i16 65535, i16* %t0, align 4
59  ret void
60}
61
62; CHECK-LABEL: store_ur_i16:
63; CHECK: [[RV:r[0-9]+]] = ##65535
64; CHECK: memh(r0<<#1+##var_i16) = [[RV]]
65define void @store_ur_i16(i32 %x) nounwind {
66  %t0 = getelementptr [10 x i16], [10 x i16]* @var_i16, i32 0, i32 %x
67  store i16 65535, i16* %t0, align 4
68  ret void
69}
70
71@var_i32 = global [10 x i32] zeroinitializer, align 8
72
73; CHECK-LABEL: store_imm_i32:
74; CHECK: memw(r0+#0) = #-1
75define void @store_imm_i32(i32* %p) nounwind {
76  store i32 4294967295, i32* %p, align 4
77  ret void
78}
79
80; CHECK-LABEL: store_rr_i32:
81; CHECK: [[RV:r[0-9]+]] = #-1
82; CHECK: memw(r0+r1<<#2) = [[RV]]
83define void @store_rr_i32(i32* %p, i32 %x) nounwind {
84  %t0 = getelementptr i32, i32* %p, i32 %x
85  store i32 4294967295, i32* %t0, align 4
86  ret void
87}
88
89; CHECK-LABEL: store_ur_i32:
90; CHECK: [[RV:r[0-9]+]] = #-1
91; CHECK: memw(r0<<#2+##var_i32) = [[RV]]
92define void @store_ur_i32(i32 %x) nounwind {
93  %t0 = getelementptr [10 x i32], [10 x i32]* @var_i32, i32 0, i32 %x
94  store i32 4294967295, i32* %t0, align 4
95  ret void
96}
97
98