i64-mem-copy.ll
5.56 KB
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=sse2 | FileCheck %s --check-prefix=X64
; RUN: llc < %s -mtriple=i386-unknown-unknown -mattr=sse2 | FileCheck %s --check-prefix=X32
; RUN: llc < %s -mtriple=i386-unknown-unknown -mattr=avx2 | FileCheck %s --check-prefix=X32AVX
; Use movq or movsd to load / store i64 values if sse2 is available.
; rdar://6659858
define void @foo(i64* %x, i64* %y) {
; X64-LABEL: foo:
; X64: # %bb.0:
; X64-NEXT: movq (%rsi), %rax
; X64-NEXT: movq %rax, (%rdi)
; X64-NEXT: retq
;
; X32-LABEL: foo:
; X32: # %bb.0:
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
; X32-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero
; X32-NEXT: movsd %xmm0, (%eax)
; X32-NEXT: retl
;
; X32AVX-LABEL: foo:
; X32AVX: # %bb.0:
; X32AVX-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32AVX-NEXT: movl {{[0-9]+}}(%esp), %ecx
; X32AVX-NEXT: vmovsd {{.*#+}} xmm0 = mem[0],zero
; X32AVX-NEXT: vmovsd %xmm0, (%eax)
; X32AVX-NEXT: retl
%tmp1 = load i64, i64* %y, align 8
store i64 %tmp1, i64* %x, align 8
ret void
}
; Verify that a 64-bit chunk extracted from a vector is stored with a movq
; regardless of whether the system is 64-bit.
define void @store_i64_from_vector(<8 x i16> %x, <8 x i16> %y, i64* %i) {
; X64-LABEL: store_i64_from_vector:
; X64: # %bb.0:
; X64-NEXT: paddw %xmm1, %xmm0
; X64-NEXT: movq %xmm0, (%rdi)
; X64-NEXT: retq
;
; X32-LABEL: store_i64_from_vector:
; X32: # %bb.0:
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: paddw %xmm1, %xmm0
; X32-NEXT: movq %xmm0, (%eax)
; X32-NEXT: retl
;
; X32AVX-LABEL: store_i64_from_vector:
; X32AVX: # %bb.0:
; X32AVX-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32AVX-NEXT: vpaddw %xmm1, %xmm0, %xmm0
; X32AVX-NEXT: vmovq %xmm0, (%eax)
; X32AVX-NEXT: retl
%z = add <8 x i16> %x, %y ; force execution domain
%bc = bitcast <8 x i16> %z to <2 x i64>
%vecext = extractelement <2 x i64> %bc, i32 0
store i64 %vecext, i64* %i, align 8
ret void
}
define void @store_i64_from_vector256(<16 x i16> %x, <16 x i16> %y, i64* %i) {
; X64-LABEL: store_i64_from_vector256:
; X64: # %bb.0:
; X64-NEXT: paddw %xmm3, %xmm1
; X64-NEXT: movq %xmm1, (%rdi)
; X64-NEXT: retq
;
; X32-LABEL: store_i64_from_vector256:
; X32: # %bb.0:
; X32-NEXT: pushl %ebp
; X32-NEXT: .cfi_def_cfa_offset 8
; X32-NEXT: .cfi_offset %ebp, -8
; X32-NEXT: movl %esp, %ebp
; X32-NEXT: .cfi_def_cfa_register %ebp
; X32-NEXT: andl $-16, %esp
; X32-NEXT: subl $16, %esp
; X32-NEXT: movl 24(%ebp), %eax
; X32-NEXT: paddw 8(%ebp), %xmm1
; X32-NEXT: movq %xmm1, (%eax)
; X32-NEXT: movl %ebp, %esp
; X32-NEXT: popl %ebp
; X32-NEXT: .cfi_def_cfa %esp, 4
; X32-NEXT: retl
;
; X32AVX-LABEL: store_i64_from_vector256:
; X32AVX: # %bb.0:
; X32AVX-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32AVX-NEXT: vextracti128 $1, %ymm1, %xmm1
; X32AVX-NEXT: vextracti128 $1, %ymm0, %xmm0
; X32AVX-NEXT: vpaddw %xmm1, %xmm0, %xmm0
; X32AVX-NEXT: vmovq %xmm0, (%eax)
; X32AVX-NEXT: vzeroupper
; X32AVX-NEXT: retl
%z = add <16 x i16> %x, %y ; force execution domain
%bc = bitcast <16 x i16> %z to <4 x i64>
%vecext = extractelement <4 x i64> %bc, i32 2
store i64 %vecext, i64* %i, align 8
ret void
}
; PR23476
; Handle extraction from a non-simple / pre-legalization type.
define void @PR23476(<5 x i64> %in, i64* %out, i32 %index) nounwind {
; X64-LABEL: PR23476:
; X64: # %bb.0:
; X64-NEXT: movq %rsi, %xmm0
; X64-NEXT: movq %rdi, %xmm1
; X64-NEXT: punpcklqdq {{.*#+}} xmm1 = xmm1[0],xmm0[0]
; X64-NEXT: movq %rcx, %xmm0
; X64-NEXT: movq %rdx, %xmm2
; X64-NEXT: punpcklqdq {{.*#+}} xmm2 = xmm2[0],xmm0[0]
; X64-NEXT: movl {{[0-9]+}}(%rsp), %eax
; X64-NEXT: andl $7, %eax
; X64-NEXT: movq %r8, %xmm0
; X64-NEXT: movdqa %xmm0, -{{[0-9]+}}(%rsp)
; X64-NEXT: movdqa %xmm2, -{{[0-9]+}}(%rsp)
; X64-NEXT: movdqa %xmm1, -{{[0-9]+}}(%rsp)
; X64-NEXT: movq -72(%rsp,%rax,8), %rax
; X64-NEXT: movq %rax, (%r9)
; X64-NEXT: retq
;
; X32-LABEL: PR23476:
; X32: # %bb.0:
; X32-NEXT: pushl %ebp
; X32-NEXT: movl %esp, %ebp
; X32-NEXT: andl $-16, %esp
; X32-NEXT: subl $80, %esp
; X32-NEXT: movl 52(%ebp), %eax
; X32-NEXT: andl $7, %eax
; X32-NEXT: movl 48(%ebp), %ecx
; X32-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero
; X32-NEXT: movups 8(%ebp), %xmm1
; X32-NEXT: movups 24(%ebp), %xmm2
; X32-NEXT: movaps %xmm2, {{[0-9]+}}(%esp)
; X32-NEXT: movaps %xmm1, (%esp)
; X32-NEXT: movaps %xmm0, {{[0-9]+}}(%esp)
; X32-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero
; X32-NEXT: movsd %xmm0, (%ecx)
; X32-NEXT: movl %ebp, %esp
; X32-NEXT: popl %ebp
; X32-NEXT: retl
;
; X32AVX-LABEL: PR23476:
; X32AVX: # %bb.0:
; X32AVX-NEXT: pushl %ebp
; X32AVX-NEXT: movl %esp, %ebp
; X32AVX-NEXT: andl $-32, %esp
; X32AVX-NEXT: subl $96, %esp
; X32AVX-NEXT: vmovsd {{.*#+}} xmm0 = mem[0],zero
; X32AVX-NEXT: movl 52(%ebp), %eax
; X32AVX-NEXT: andl $7, %eax
; X32AVX-NEXT: movl 48(%ebp), %ecx
; X32AVX-NEXT: vmovups 8(%ebp), %ymm1
; X32AVX-NEXT: vmovaps %ymm1, (%esp)
; X32AVX-NEXT: vmovaps %ymm0, {{[0-9]+}}(%esp)
; X32AVX-NEXT: vmovsd {{.*#+}} xmm0 = mem[0],zero
; X32AVX-NEXT: vmovsd %xmm0, (%ecx)
; X32AVX-NEXT: movl %ebp, %esp
; X32AVX-NEXT: popl %ebp
; X32AVX-NEXT: vzeroupper
; X32AVX-NEXT: retl
%ext = extractelement <5 x i64> %in, i32 %index
store i64 %ext, i64* %out, align 8
ret void
}