1; RUN: llc -mtriple thumbv5-none-linux-gnueabi < %s | FileCheck %s
2
3%struct.C = type { [1000 x i8] }
4%struct.S = type { [1000 x i16] }
5%struct.I = type { [1000 x i32] }
6
7;CHECK-LABEL: pass_C:
8;CHECK-NOT: ldrb    r{{[0-9]+}}, [{{.*}}], #1
9;CHECK-NOT: strb    r{{[0-9]+}}, [{{.*}}], #1
10define void @pass_C() #0 {
11entry:
12  %c = alloca %struct.C, align 1
13  %0 = getelementptr inbounds %struct.C, %struct.C* %c, i32 0, i32 0, i32 0
14  call void @llvm.lifetime.start(i64 1000, i8* %0) #1
15  call void @use_C(%struct.C* byval %c) #3
16  call void @llvm.lifetime.end(i64 1000, i8* %0) #1
17  ret void
18}
19
20;CHECK-LABEL: pass_S:
21;CHECK-NOT: ldrh    r{{[0-9]+}}, [{{.*}}], #2
22;CHECK-NOT: strh    r{{[0-9]+}}, [{{.*}}], #2
23define void @pass_S() #0 {
24entry:
25  %s = alloca %struct.S, align 2
26  %0 = bitcast %struct.S* %s to i8*
27  call void @llvm.lifetime.start(i64 2000, i8* %0) #1
28  call void @use_S(%struct.S* byval %s) #3
29  call void @llvm.lifetime.end(i64 2000, i8* %0) #1
30  ret void
31}
32
33;CHECK-LABEL: pass_I:
34;CHECK-NOT: ldr     r{{[0-9]+}}, [{{.*}}], #4
35;CHECK-NOT: str     r{{[0-9]+}}, [{{.*}}], #4
36define void @pass_I() #0 {
37entry:
38  %i = alloca %struct.I, align 4
39  %0 = bitcast %struct.I* %i to i8*
40  call void @llvm.lifetime.start(i64 4000, i8* %0) #1
41  call void @use_I(%struct.I* byval %i) #3
42  call void @llvm.lifetime.end(i64 4000, i8* %0) #1
43  ret void
44}
45
46declare void @use_C(%struct.C* byval) #2
47declare void @use_S(%struct.S* byval) #2
48declare void @use_I(%struct.I* byval) #2
49
50declare void @llvm.lifetime.start(i64, i8* nocapture) #1
51declare void @llvm.lifetime.end(i64, i8* nocapture) #1
52
53
54attributes #0 = { nounwind optsize "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-frame-pointer-elim-non-leaf"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
55attributes #1 = { nounwind }
56attributes #2 = { optsize "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-frame-pointer-elim-non-leaf"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
57attributes #3 = { nounwind optsize }
58