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      1 ; RUN: llc -mtriple=thumbv6m-eabi -verify-machineinstrs %s -o - | FileCheck %s
      2 @d = external global [64 x i32]
      3 @s = external global [64 x i32]
      4 
      5 ; Function Attrs: nounwind
      6 define void @t1() #0 {
      7 entry:
      8 ; CHECK-LABEL: t1:
      9 ; CHECK: ldr r[[LB:[0-9]]],
     10 ; CHECK-NEXT: ldm r[[LB]]!,
     11 ; CHECK-NEXT: ldr r[[SB:[0-9]]],
     12 ; CHECK-NEXT: stm r[[SB]]!,
     13 ; CHECK-NEXT: ldrb {{.*}}, [r[[LB]]]
     14 ; CHECK-NEXT: strb {{.*}}, [r[[SB]]]
     15     tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* bitcast ([64 x i32]* @s to i8*), i8* bitcast ([64 x i32]* @d to i8*), i32 17, i32 4, i1 false)
     16     ret void
     17 }
     18 
     19 ; Function Attrs: nounwind
     20 define void @t2() #0 {
     21 entry:
     22 ; CHECK-LABEL: t2:
     23 ; CHECK: ldr r[[LB:[0-9]]],
     24 ; CHECK-NEXT: ldm r[[LB]]!,
     25 ; CHECK-NEXT: ldr r[[SB:[0-9]]],
     26 ; CHECK-NEXT: stm r[[SB]]!,
     27 ; CHECK-NEXT: ldrh {{.*}}, [r[[LB]]]
     28 ; CHECK-NEXT: ldrb {{.*}}, [r[[LB]], #2]
     29 ; CHECK-NEXT: strb {{.*}}, [r[[SB]], #2]
     30 ; CHECK-NEXT: strh {{.*}}, [r[[SB]]]
     31     tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* bitcast ([64 x i32]* @s to i8*), i8* bitcast ([64 x i32]* @d to i8*), i32 15, i32 4, i1 false)
     32     ret void
     33 }
     34 
     35 ; Function Attrs: nounwind
     36 declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i32, i1) #1
     37