1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse4.2 | FileCheck %s 3 4 ; widen a v3i32 to v4i32 to do a vector multiple and a subtraction 5 6 define void @update(<3 x i32>* %dst, <3 x i32>* %src, i32 %n) nounwind { 7 ; CHECK-LABEL: update: 8 ; CHECK: # %bb.0: # %entry 9 ; CHECK-NEXT: movq %rdi, -{{[0-9]+}}(%rsp) 10 ; CHECK-NEXT: movq %rsi, -{{[0-9]+}}(%rsp) 11 ; CHECK-NEXT: movl %edx, -{{[0-9]+}}(%rsp) 12 ; CHECK-NEXT: movq {{.*}}(%rip), %rax 13 ; CHECK-NEXT: movq %rax, -{{[0-9]+}}(%rsp) 14 ; CHECK-NEXT: movl $1, -{{[0-9]+}}(%rsp) 15 ; CHECK-NEXT: movl $0, -{{[0-9]+}}(%rsp) 16 ; CHECK-NEXT: movdqa {{.*#+}} xmm0 = <3,3,3,u> 17 ; CHECK-NEXT: jmp .LBB0_1 18 ; CHECK-NEXT: .p2align 4, 0x90 19 ; CHECK-NEXT: .LBB0_2: # %forbody 20 ; CHECK-NEXT: # in Loop: Header=BB0_1 Depth=1 21 ; CHECK-NEXT: movslq -{{[0-9]+}}(%rsp), %rax 22 ; CHECK-NEXT: movq -{{[0-9]+}}(%rsp), %rcx 23 ; CHECK-NEXT: shlq $4, %rax 24 ; CHECK-NEXT: movq -{{[0-9]+}}(%rsp), %rdx 25 ; CHECK-NEXT: movdqa (%rdx,%rax), %xmm1 26 ; CHECK-NEXT: pslld $2, %xmm1 27 ; CHECK-NEXT: psubd %xmm0, %xmm1 28 ; CHECK-NEXT: pextrd $2, %xmm1, 8(%rcx,%rax) 29 ; CHECK-NEXT: movq %xmm1, (%rcx,%rax) 30 ; CHECK-NEXT: incl -{{[0-9]+}}(%rsp) 31 ; CHECK-NEXT: .LBB0_1: # %forcond 32 ; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 33 ; CHECK-NEXT: movl -{{[0-9]+}}(%rsp), %eax 34 ; CHECK-NEXT: cmpl -{{[0-9]+}}(%rsp), %eax 35 ; CHECK-NEXT: jl .LBB0_2 36 ; CHECK-NEXT: # %bb.3: # %afterfor 37 ; CHECK-NEXT: retq 38 entry: 39 %dst.addr = alloca <3 x i32>* 40 %src.addr = alloca <3 x i32>* 41 %n.addr = alloca i32 42 %v = alloca <3 x i32>, align 16 43 %i = alloca i32, align 4 44 store <3 x i32>* %dst, <3 x i32>** %dst.addr 45 store <3 x i32>* %src, <3 x i32>** %src.addr 46 store i32 %n, i32* %n.addr 47 store <3 x i32> < i32 1, i32 1, i32 1 >, <3 x i32>* %v 48 store i32 0, i32* %i 49 br label %forcond 50 51 forcond: 52 %tmp = load i32, i32* %i 53 %tmp1 = load i32, i32* %n.addr 54 %cmp = icmp slt i32 %tmp, %tmp1 55 br i1 %cmp, label %forbody, label %afterfor 56 57 forbody: 58 %tmp2 = load i32, i32* %i 59 %tmp3 = load <3 x i32>*, <3 x i32>** %dst.addr 60 %arrayidx = getelementptr <3 x i32>, <3 x i32>* %tmp3, i32 %tmp2 61 %tmp4 = load i32, i32* %i 62 %tmp5 = load <3 x i32>*, <3 x i32>** %src.addr 63 %arrayidx6 = getelementptr <3 x i32>, <3 x i32>* %tmp5, i32 %tmp4 64 %tmp7 = load <3 x i32>, <3 x i32>* %arrayidx6 65 %mul = mul <3 x i32> %tmp7, < i32 4, i32 4, i32 4 > 66 %sub = sub <3 x i32> %mul, < i32 3, i32 3, i32 3 > 67 store <3 x i32> %sub, <3 x i32>* %arrayidx 68 br label %forinc 69 70 forinc: 71 %tmp8 = load i32, i32* %i 72 %inc = add i32 %tmp8, 1 73 store i32 %inc, i32* %i 74 br label %forcond 75 76 afterfor: 77 ret void 78 } 79 80
