1 ; RUN: llc -mtriple=thumbv6m-eabi -verify-machineinstrs %s -o - | \
2 ; RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CHECKV6
3 ; RUN: llc -mtriple=thumbv6m-eabi -O=0 -verify-machineinstrs %s -o - | \
4 ; RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CHECKV6
5 ; RUN: llc -mtriple=thumbv7a-eabi -mattr=-neon -verify-machineinstrs %s -o - | \
6 ; RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CHECKV7
7 ; RUN: llc -mtriple=armv7a-eabi -mattr=-neon -verify-machineinstrs %s -o - | \
8 ; RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CHECKV7
10 @d = external global [64 x i32]
11 @s = external global [64 x i32]
13 ; Function Attrs: nounwind
14 define void @t1() #0 {
17 ; CHECKV6: ldr [[LB:r[0-7]]],
18 ; CHECKV6-NEXT: ldr [[SB:r[0-7]]],
19 ; We use '[rl0-9]+' to allow 'r0'..'r12', 'lr'
20 ; CHECKV7: movt [[LB:[rl0-9]+]], :upper16:d
21 ; CHECKV7-NEXT: movt [[SB:[rl0-9]+]], :upper16:s
22 ; CHECK-NEXT: ldm{{(\.w)?}} [[LB]]!,
23 ; CHECK-NEXT: stm{{(\.w)?}} [[SB]]!,
24 ; Think of the monstrosity '[[[LB]]]' as '[ [[LB]] ]' without the spaces.
25 ; CHECK-NEXT: ldrb{{(\.w)?}} {{.*}}, [[[LB]]]
26 ; CHECK-NEXT: strb{{(\.w)?}} {{.*}}, [[[SB]]]
27 tail call void @llvm.memcpy.p0.p0.i32(ptr align 4 @s, ptr align 4 @d, i32 17, i1 false)
31 ; Function Attrs: nounwind
32 define void @t2() #0 {
35 ; CHECKV6: ldr [[LB:r[0-7]]],
36 ; CHECKV6-NEXT: ldr [[SB:r[0-7]]],
37 ; CHECKV6-NEXT: ldm{{(\.w)?}} [[LB]]!,
38 ; CHECKV6-NEXT: stm{{(\.w)?}} [[SB]]!,
39 ; CHECKV6-DAG: ldrh{{(\.w)?}} {{.*}}, [[[LB]]]
40 ; CHECKV6-DAG: ldrb{{(\.w)?}} {{.*}}, [[[LB]], #2]
41 ; CHECKV6-DAG: strb{{(\.w)?}} {{.*}}, [[[SB]], #2]
42 ; CHECKV6-DAG: strh{{(\.w)?}} {{.*}}, [[[SB]]]
43 ; CHECKV7: movt [[LB:[rl0-9]+]], :upper16:d
44 ; CHECKV7-NEXT: movt [[SB:[rl0-9]+]], :upper16:s
45 ; CHECKV7: ldr{{(\.w)?}} {{.*}}, [[[LB]], #11]
46 ; CHECKV7-NEXT: str{{(\.w)?}} {{.*}}, [[[SB]], #11]
47 tail call void @llvm.memcpy.p0.p0.i32(ptr align 4 @s, ptr align 4 @d, i32 15, i1 false)
52 %struct.T = type { i8, i64, i8 }
54 @copy = external global %struct.T, align 8
55 @etest = external global %struct.T, align 8
58 call void @llvm.memcpy.p0.p0.i32(
62 call void @llvm.memcpy.p0.p0.i32(
69 %struct.S = type { [12 x i32] }
72 define void @test3(ptr %d, ptr %s) #0 {
73 tail call void @llvm.memcpy.p0.p0.i32(ptr align 4 %d, ptr align 4 %s, i32 48, i1 false)
74 ; 3 ldm/stm pairs in v6; 2 in v7
75 ; CHECK: ldm{{(\.w)?}} {{[rl0-9]+!?}}, [[REGLIST1:{.*}]]
76 ; CHECK: stm{{(\.w)?}} {{[rl0-9]+!?}}, [[REGLIST1]]
77 ; CHECK: ldm{{(\.w)?}} {{[rl0-9]+!?}}, [[REGLIST2:{.*}]]
78 ; CHECK: stm{{(\.w)?}} {{[rl0-9]+!?}}, [[REGLIST2]]
79 ; CHECKV6: ldm {{r[0-7]!?}}, [[REGLIST3:{.*}]]
80 ; CHECKV6: stm {{r[0-7]!?}}, [[REGLIST3]]
83 %arrayidx = getelementptr inbounds %struct.S, ptr %s, i32 0, i32 0, i32 1
84 tail call void @g(ptr %arrayidx) #3
90 ; Set "frame-pointer"="all" to increase register pressure
91 attributes #0 = { "frame-pointer"="all" }
93 ; Function Attrs: nounwind
94 declare void @llvm.memcpy.p0.p0.i32(ptr nocapture, ptr nocapture readonly, i32, i1) #1