llvm/test/CodeGen/X86/widen_arith-5.ll
2017-06-18 21:48:44 +00:00

80 lines
2.6 KiB
LLVM

; 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 v3i32 to v4i32 to do a vector multiple and a subtraction
define void @update(<3 x i32>* %dst, <3 x i32>* %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: movl $1, -{{[0-9]+}}(%rsp)
; CHECK-NEXT: movl $0, -{{[0-9]+}}(%rsp)
; CHECK-NEXT: movdqa {{.*#+}} xmm0 = <3,3,3,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), %xmm1
; CHECK-NEXT: pslld $2, %xmm1
; CHECK-NEXT: psubd %xmm0, %xmm1
; CHECK-NEXT: pextrd $2, %xmm1, 8(%rax,%rcx)
; CHECK-NEXT: movq %xmm1, (%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 <3 x i32>*
%src.addr = alloca <3 x i32>*
%n.addr = alloca i32
%v = alloca <3 x i32>, align 16
%i = alloca i32, align 4
store <3 x i32>* %dst, <3 x i32>** %dst.addr
store <3 x i32>* %src, <3 x i32>** %src.addr
store i32 %n, i32* %n.addr
store <3 x i32> < i32 1, i32 1, i32 1 >, <3 x i32>* %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 <3 x i32>*, <3 x i32>** %dst.addr
%arrayidx = getelementptr <3 x i32>, <3 x i32>* %tmp3, i32 %tmp2
%tmp4 = load i32, i32* %i
%tmp5 = load <3 x i32>*, <3 x i32>** %src.addr
%arrayidx6 = getelementptr <3 x i32>, <3 x i32>* %tmp5, i32 %tmp4
%tmp7 = load <3 x i32>, <3 x i32>* %arrayidx6
%mul = mul <3 x i32> %tmp7, < i32 4, i32 4, i32 4 >
%sub = sub <3 x i32> %mul, < i32 3, i32 3, i32 3 >
store <3 x i32> %sub, <3 x i32>* %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
}