1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
; RUN: llc -mtriple thumbv5-none-linux-gnueabi < %s | FileCheck %s
%struct.C = type { [1000 x i8] }
%struct.S = type { [1000 x i16] }
%struct.I = type { [1000 x i32] }
;CHECK-LABEL: pass_C:
;CHECK-NOT: ldrb r{{[0-9]+}}, [{{.*}}], #1
;CHECK-NOT: strb r{{[0-9]+}}, [{{.*}}], #1
define void @pass_C() #0 {
entry:
%c = alloca %struct.C, align 1
call void @llvm.lifetime.start.p0(i64 1000, ptr %c) #1
call void @use_C(ptr byval(%struct.C) %c) #3
call void @llvm.lifetime.end.p0(i64 1000, ptr %c) #1
ret void
}
;CHECK-LABEL: pass_S:
;CHECK-NOT: ldrh r{{[0-9]+}}, [{{.*}}], #2
;CHECK-NOT: strh r{{[0-9]+}}, [{{.*}}], #2
define void @pass_S() #0 {
entry:
%s = alloca %struct.S, align 2
call void @llvm.lifetime.start.p0(i64 2000, ptr %s) #1
call void @use_S(ptr byval(%struct.S) %s) #3
call void @llvm.lifetime.end.p0(i64 2000, ptr %s) #1
ret void
}
;CHECK-LABEL: pass_I:
;CHECK-NOT: ldr r{{[0-9]+}}, [{{.*}}], #4
;CHECK-NOT: str r{{[0-9]+}}, [{{.*}}], #4
define void @pass_I() #0 {
entry:
%i = alloca %struct.I, align 4
call void @llvm.lifetime.start.p0(i64 4000, ptr %i) #1
call void @use_I(ptr byval(%struct.I) %i) #3
call void @llvm.lifetime.end.p0(i64 4000, ptr %i) #1
ret void
}
declare void @use_C(ptr byval(%struct.C)) #2
declare void @use_S(ptr byval(%struct.S)) #2
declare void @use_I(ptr byval(%struct.I)) #2
declare void @llvm.lifetime.start.p0(i64, ptr nocapture) #1
declare void @llvm.lifetime.end.p0(i64, ptr nocapture) #1
attributes #0 = { nounwind optsize "less-precise-fpmad"="false" "frame-pointer"="non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { nounwind }
attributes #2 = { optsize "less-precise-fpmad"="false" "frame-pointer"="non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #3 = { nounwind optsize }
|
