; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse4.2 | FileCheck %s ; Widen a v5i16 to v8i16 to do a vector sub and multiple define void @update(<5 x i16>* %dst, <5 x i16>* %src, i32 %n) nounwind { ; CHECK-LABEL: update: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: movq %rdi, -{{[0-9]+}}(%rsp) ; CHECK-NEXT: movq %rsi, -{{[0-9]+}}(%rsp) ; CHECK-NEXT: movl %edx, -{{[0-9]+}}(%rsp) ; CHECK-NEXT: movq {{.*}}(%rip), %rax ; CHECK-NEXT: movq %rax, -{{[0-9]+}}(%rsp) ; CHECK-NEXT: movw $0, -{{[0-9]+}}(%rsp) ; CHECK-NEXT: movl $0, -{{[0-9]+}}(%rsp) ; CHECK-NEXT: movdqa {{.*#+}} xmm0 = <271,271,271,271,271,u,u,u> ; CHECK-NEXT: movdqa {{.*#+}} xmm1 = <2,4,2,2,2,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: movq -{{[0-9]+}}(%rsp), %rax ; CHECK-NEXT: movslq -{{[0-9]+}}(%rsp), %rcx ; CHECK-NEXT: shlq $4, %rcx ; CHECK-NEXT: movq -{{[0-9]+}}(%rsp), %rdx ; CHECK-NEXT: movdqa (%rdx,%rcx), %xmm2 ; CHECK-NEXT: psubw %xmm0, %xmm2 ; CHECK-NEXT: pmullw %xmm1, %xmm2 ; CHECK-NEXT: pextrw $4, %xmm2, 8(%rax,%rcx) ; CHECK-NEXT: movq %xmm2, (%rax,%rcx) ; CHECK-NEXT: incl -{{[0-9]+}}(%rsp) ; CHECK-NEXT: .LBB0_1: # %forcond ; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: movl -{{[0-9]+}}(%rsp), %eax ; CHECK-NEXT: cmpl -{{[0-9]+}}(%rsp), %eax ; CHECK-NEXT: jl .LBB0_2 ; CHECK-NEXT: # %bb.3: # %afterfor ; CHECK-NEXT: retq entry: %dst.addr = alloca <5 x i16>* %src.addr = alloca <5 x i16>* %n.addr = alloca i32 %v = alloca <5 x i16>, align 16 %i = alloca i32, align 4 store <5 x i16>* %dst, <5 x i16>** %dst.addr store <5 x i16>* %src, <5 x i16>** %src.addr store i32 %n, i32* %n.addr store <5 x i16> < i16 1, i16 1, i16 1, i16 0, i16 0 >, <5 x i16>* %v 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 <5 x i16>*, <5 x i16>** %dst.addr %arrayidx = getelementptr <5 x i16>, <5 x i16>* %tmp3, i32 %tmp2 %tmp4 = load i32, i32* %i %tmp5 = load <5 x i16>*, <5 x i16>** %src.addr %arrayidx6 = getelementptr <5 x i16>, <5 x i16>* %tmp5, i32 %tmp4 %tmp7 = load <5 x i16>, <5 x i16>* %arrayidx6 %sub = sub <5 x i16> %tmp7, < i16 271, i16 271, i16 271, i16 271, i16 271 > %mul = mul <5 x i16> %sub, < i16 2, i16 4, i16 2, i16 2, i16 2 > store <5 x i16> %mul, <5 x i16>* %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 }