| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+sse4.2 | FileCheck %s |
| |
| define void @update(<3 x i8>* %dst, <3 x i8>* %src, i32 %n) nounwind { |
| ; CHECK-LABEL: update: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: subl $12, %esp |
| ; CHECK-NEXT: movl $0, (%esp) |
| ; CHECK-NEXT: pcmpeqd %xmm0, %xmm0 |
| ; CHECK-NEXT: movdqa {{.*#+}} xmm1 = <0,4,8,12,u,u,u,u,u,u,u,u,u,u,u,u> |
| ; CHECK-NEXT: jmp .LBB0_1 |
| ; CHECK-NEXT: .p2align 4, 0x90 |
| ; CHECK-NEXT: .LBB0_2: # %forbody |
| ; CHECK-NEXT: # in Loop: Header=BB0_1 Depth=1 |
| ; CHECK-NEXT: movl (%esp), %eax |
| ; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; CHECK-NEXT: movl {{[0-9]+}}(%esp), %edx |
| ; CHECK-NEXT: pmovzxbd {{.*#+}} xmm2 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero |
| ; CHECK-NEXT: psubd %xmm0, %xmm2 |
| ; CHECK-NEXT: pextrb $8, %xmm2, 2(%ecx,%eax,4) |
| ; CHECK-NEXT: pshufb %xmm1, %xmm2 |
| ; CHECK-NEXT: pextrw $0, %xmm2, (%ecx,%eax,4) |
| ; CHECK-NEXT: incl (%esp) |
| ; CHECK-NEXT: .LBB0_1: # %forcond |
| ; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 |
| ; CHECK-NEXT: movl (%esp), %eax |
| ; CHECK-NEXT: cmpl {{[0-9]+}}(%esp), %eax |
| ; CHECK-NEXT: jl .LBB0_2 |
| ; CHECK-NEXT: # %bb.3: # %afterfor |
| ; CHECK-NEXT: addl $12, %esp |
| ; CHECK-NEXT: retl |
| entry: |
| %dst.addr = alloca <3 x i8>* |
| %src.addr = alloca <3 x i8>* |
| %n.addr = alloca i32 |
| %i = alloca i32, align 4 |
| store <3 x i8>* %dst, <3 x i8>** %dst.addr |
| store <3 x i8>* %src, <3 x i8>** %src.addr |
| store i32 %n, i32* %n.addr |
| store i32 0, i32* %i |
| br label %forcond |
| |
| forcond: |
| %tmp = load i32, i32* %i |
| %tmp1 = load i32, i32* %n.addr |
| %cmp = icmp slt i32 %tmp, %tmp1 |
| br i1 %cmp, label %forbody, label %afterfor |
| |
| forbody: |
| %tmp2 = load i32, i32* %i |
| %tmp3 = load <3 x i8>*, <3 x i8>** %dst.addr |
| %arrayidx = getelementptr <3 x i8>, <3 x i8>* %tmp3, i32 %tmp2 |
| %tmp4 = load i32, i32* %i |
| %tmp5 = load <3 x i8>*, <3 x i8>** %src.addr |
| %arrayidx6 = getelementptr <3 x i8>, <3 x i8>* %tmp5, i32 %tmp4 |
| %tmp7 = load <3 x i8>, <3 x i8>* %arrayidx6 |
| %add = add <3 x i8> %tmp7, < i8 1, i8 1, i8 1 > |
| store <3 x i8> %add, <3 x i8>* %arrayidx |
| br label %forinc |
| |
| forinc: |
| %tmp8 = load i32, i32* %i |
| %inc = add i32 %tmp8, 1 |
| store i32 %inc, i32* %i |
| br label %forcond |
| |
| afterfor: |
| ret void |
| } |
| |