1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2 ; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+sse4.2 | FileCheck %s 3 4 define void @update(<3 x i8>* %dst, <3 x i8>* %src, i32 %n) nounwind { 5 ; CHECK-LABEL: update: 6 ; CHECK: # %bb.0: # %entry 7 ; CHECK-NEXT: subl $12, %esp 8 ; CHECK-NEXT: movl $0, (%esp) 9 ; CHECK-NEXT: pcmpeqd %xmm0, %xmm0 10 ; CHECK-NEXT: movdqa {{.*#+}} xmm1 = <0,4,8,12,u,u,u,u,u,u,u,u,u,u,u,u> 11 ; CHECK-NEXT: jmp .LBB0_1 12 ; CHECK-NEXT: .p2align 4, 0x90 13 ; CHECK-NEXT: .LBB0_2: # %forbody 14 ; CHECK-NEXT: # in Loop: Header=BB0_1 Depth=1 15 ; CHECK-NEXT: movl (%esp), %eax 16 ; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx 17 ; CHECK-NEXT: movl {{[0-9]+}}(%esp), %edx 18 ; CHECK-NEXT: pmovzxbd {{.*#+}} xmm2 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero 19 ; CHECK-NEXT: psubd %xmm0, %xmm2 20 ; CHECK-NEXT: pextrb $8, %xmm2, 2(%ecx,%eax,4) 21 ; CHECK-NEXT: pshufb %xmm1, %xmm2 22 ; CHECK-NEXT: pextrw $0, %xmm2, (%ecx,%eax,4) 23 ; CHECK-NEXT: incl (%esp) 24 ; CHECK-NEXT: .LBB0_1: # %forcond 25 ; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 26 ; CHECK-NEXT: movl (%esp), %eax 27 ; CHECK-NEXT: cmpl {{[0-9]+}}(%esp), %eax 28 ; CHECK-NEXT: jl .LBB0_2 29 ; CHECK-NEXT: # %bb.3: # %afterfor 30 ; CHECK-NEXT: addl $12, %esp 31 ; CHECK-NEXT: retl 32 entry: 33 %dst.addr = alloca <3 x i8>* 34 %src.addr = alloca <3 x i8>* 35 %n.addr = alloca i32 36 %i = alloca i32, align 4 37 store <3 x i8>* %dst, <3 x i8>** %dst.addr 38 store <3 x i8>* %src, <3 x i8>** %src.addr 39 store i32 %n, i32* %n.addr 40 store i32 0, i32* %i 41 br label %forcond 42 43 forcond: 44 %tmp = load i32, i32* %i 45 %tmp1 = load i32, i32* %n.addr 46 %cmp = icmp slt i32 %tmp, %tmp1 47 br i1 %cmp, label %forbody, label %afterfor 48 49 forbody: 50 %tmp2 = load i32, i32* %i 51 %tmp3 = load <3 x i8>*, <3 x i8>** %dst.addr 52 %arrayidx = getelementptr <3 x i8>, <3 x i8>* %tmp3, i32 %tmp2 53 %tmp4 = load i32, i32* %i 54 %tmp5 = load <3 x i8>*, <3 x i8>** %src.addr 55 %arrayidx6 = getelementptr <3 x i8>, <3 x i8>* %tmp5, i32 %tmp4 56 %tmp7 = load <3 x i8>, <3 x i8>* %arrayidx6 57 %add = add <3 x i8> %tmp7, < i8 1, i8 1, i8 1 > 58 store <3 x i8> %add, <3 x i8>* %arrayidx 59 br label %forinc 60 61 forinc: 62 %tmp8 = load i32, i32* %i 63 %inc = add i32 %tmp8, 1 64 store i32 %inc, i32* %i 65 br label %forcond 66 67 afterfor: 68 ret void 69 } 70 71
