1; RUN: llc -mattr=-neon < %s -verify-machineinstrs -o - | FileCheck %s 2 3target triple = "thumbv7a-none--eabi" 4 5@a = external global ptr 6@b = external global ptr 7 8; Function Attrs: nounwind 9define void @foo24() #0 { 10entry: 11; CHECK-LABEL: foo24: 12; We use 'ptr' to allow 'r0'..'r12', 'lr' 13; CHECK: movt [[LB:[rl0-9]+]], :upper16:b 14; CHECK: movt [[SB:[rl0-9]+]], :upper16:a 15; CHECK: add{{s?}}{{(\.w)?}} [[NLB:[rl0-9]+]], [[LB]], #4 16; CHECK: adds [[SB]], #4 17; CHECK-NEXT: ldm{{(\.w)?}} [[NLB]], {[[R1:[rl0-9]+]], [[R2:[rl0-9]+]], [[R3:[rl0-9]+]], [[R4:[rl0-9]+]], [[R5:[rl0-9]+]], [[R6:[rl0-9]+]]} 18; CHECK-NEXT: stm{{(\.w)?}} [[SB]], {[[R1]], [[R2]], [[R3]], [[R4]], [[R5]], [[R6]]} 19 %0 = load ptr, ptr @a, align 4 20 %arrayidx = getelementptr inbounds i32, ptr %0, i32 1 21 %1 = load ptr, ptr @b, align 4 22 %arrayidx1 = getelementptr inbounds i32, ptr %1, i32 1 23 tail call void @llvm.memcpy.p0.p0.i32(ptr align 4 %arrayidx, ptr align 4 %arrayidx1, i32 24, i1 false) 24 ret void 25} 26 27define void @foo28() #0 { 28entry: 29; CHECK-LABEL: foo28: 30; CHECK: movt [[LB:[rl0-9]+]], :upper16:b 31; CHECK: movt [[SB:[rl0-9]+]], :upper16:a 32; CHECK: add{{(\.w)?}} [[NLB:[rl0-9]+]], [[LB]], #4 33; CHECK: adds [[SB]], #4 34; CHECK-NEXT: ldm{{(\.w)?}} [[NLB]]!, {[[R1:[rl0-9]+]], [[R2:[rl0-9]+]], [[R3:[rl0-9]+]]} 35; CHECK-NEXT: stm{{(\.w)?}} [[SB]]!, {[[R1]], [[R2]], [[R3]]} 36; CHECK-NEXT: ldm{{(\.w)?}} [[NLB]], {[[R1:[rl0-9]+]], [[R2:[rl0-9]+]], [[R3:[rl0-9]+]], [[R4:[rl0-9]+]]} 37; CHECK-NEXT: stm{{(\.w)?}} [[SB]], {[[R1]], [[R2]], [[R3]], [[R4]]} 38 %0 = load ptr, ptr @a, align 4 39 %arrayidx = getelementptr inbounds i32, ptr %0, i32 1 40 %1 = load ptr, ptr @b, align 4 41 %arrayidx1 = getelementptr inbounds i32, ptr %1, i32 1 42 tail call void @llvm.memcpy.p0.p0.i32(ptr align 4 %arrayidx, ptr align 4 %arrayidx1, i32 28, i1 false) 43 ret void 44} 45 46define void @foo32() #0 { 47entry: 48; CHECK-LABEL: foo32: 49; CHECK: movt [[LB:[rl0-9]+]], :upper16:b 50; CHECK: movt [[SB:[rl0-9]+]], :upper16:a 51; CHECK: add{{(\.w)?}} [[NLB:[rl0-9]+]], [[LB]], #4 52; CHECK: adds [[SB]], #4 53; CHECK-NEXT: ldm{{(\.w)?}} [[NLB]]!, {[[R1:[rl0-9]+]], [[R2:[rl0-9]+]], [[R3:[rl0-9]+]], [[R4:[rl0-9]+]]} 54; CHECK-NEXT: stm{{(\.w)?}} [[SB]]!, {[[R1]], [[R2]], [[R3]], [[R4]]} 55; CHECK-NEXT: ldm{{(\.w)?}} [[NLB]], {[[R1:[rl0-9]+]], [[R2:[rl0-9]+]], [[R3:[rl0-9]+]], [[R4:[rl0-9]+]]} 56; CHECK-NEXT: stm{{(\.w)?}} [[SB]], {[[R1]], [[R2]], [[R3]], [[R4]]} 57 %0 = load ptr, ptr @a, align 4 58 %arrayidx = getelementptr inbounds i32, ptr %0, i32 1 59 %1 = load ptr, ptr @b, align 4 60 %arrayidx1 = getelementptr inbounds i32, ptr %1, i32 1 61 tail call void @llvm.memcpy.p0.p0.i32(ptr align 4 %arrayidx, ptr align 4 %arrayidx1, i32 32, i1 false) 62 ret void 63} 64 65define void @foo36() #0 { 66entry: 67; CHECK-LABEL: foo36: 68; CHECK: movt [[LB:[rl0-9]+]], :upper16:b 69; CHECK: movt [[SB:[rl0-9]+]], :upper16:a 70; CHECK: add{{(\.w)?}} [[NLB:[rl0-9]+]], [[LB]], #4 71; CHECK: adds [[SB]], #4 72; CHECK-NEXT: ldm{{(\.w)?}} [[NLB]]!, {[[R1:[rl0-9]+]], [[R2:[rl0-9]+]], [[R3:[rl0-9]+]], [[R4:[rl0-9]+]]} 73; CHECK-NEXT: stm{{(\.w)?}} [[SB]]!, {[[R1]], [[R2]], [[R3]], [[R4]]} 74; CHECK-NEXT: ldm{{(\.w)?}} [[NLB]], {[[R1:[rl0-9]+]], [[R2:[rl0-9]+]], [[R3:[rl0-9]+]], [[R4:[rl0-9]+]], [[R5:[rl0-9]+]]} 75; CHECK-NEXT: stm{{(\.w)?}} [[SB]], {[[R1]], [[R2]], [[R3]], [[R4]], [[R5]]} 76 %0 = load ptr, ptr @a, align 4 77 %arrayidx = getelementptr inbounds i32, ptr %0, i32 1 78 %1 = load ptr, ptr @b, align 4 79 %arrayidx1 = getelementptr inbounds i32, ptr %1, i32 1 80 tail call void @llvm.memcpy.p0.p0.i32(ptr align 4 %arrayidx, ptr align 4 %arrayidx1, i32 36, i1 false) 81 ret void 82} 83 84; Function Attrs: nounwind 85declare void @llvm.memcpy.p0.p0.i32(ptr nocapture, ptr nocapture readonly, i32, i1) #1 86