llvm/test/CodeGen/X86/exedeps-movq.ll
James Y Knight 423c686bec Make utils/update_llc_test_checks.py note that the assertions are
autogenerated.

Also update existing test cases which appear to be generated by it and
weren't modified (other than addition of the header) by rerunning it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@253917 91177308-0d34-0410-b5e6-96231b3b80d8
2015-11-23 21:33:58 +00:00

88 lines
2.5 KiB
LLVM

; 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=SSE
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=avx | FileCheck %s --check-prefix=AVX
; Verify that we select the correct version of the instruction that stores the low 64-bits
; of a 128-bit vector. We want to avoid int/fp domain crossing penalties, so ignore the
; bitcast ops and choose:
;
; movlps for floats
; movlpd for doubles
; movq for integers
define void @store_floats(<4 x float> %x, i64* %p) {
; SSE-LABEL: store_floats:
; SSE: # BB#0:
; SSE-NEXT: addps %xmm0, %xmm0
; SSE-NEXT: movlps %xmm0, (%rdi)
; SSE-NEXT: retq
;
; AVX-LABEL: store_floats:
; AVX: # BB#0:
; AVX-NEXT: vaddps %xmm0, %xmm0, %xmm0
; AVX-NEXT: vmovlps %xmm0, (%rdi)
; AVX-NEXT: retq
%a = fadd <4 x float> %x, %x
%b = shufflevector <4 x float> %a, <4 x float> undef, <2 x i32> <i32 0, i32 1>
%c = bitcast <2 x float> %b to i64
store i64 %c, i64* %p
ret void
}
define void @store_double(<2 x double> %x, i64* %p) {
; SSE-LABEL: store_double:
; SSE: # BB#0:
; SSE-NEXT: addpd %xmm0, %xmm0
; SSE-NEXT: movlpd %xmm0, (%rdi)
; SSE-NEXT: retq
;
; AVX-LABEL: store_double:
; AVX: # BB#0:
; AVX-NEXT: vaddpd %xmm0, %xmm0, %xmm0
; AVX-NEXT: vmovlpd %xmm0, (%rdi)
; AVX-NEXT: retq
%a = fadd <2 x double> %x, %x
%b = extractelement <2 x double> %a, i32 0
%c = bitcast double %b to i64
store i64 %c, i64* %p
ret void
}
define void @store_int(<4 x i32> %x, <2 x float>* %p) {
; SSE-LABEL: store_int:
; SSE: # BB#0:
; SSE-NEXT: paddd %xmm0, %xmm0
; SSE-NEXT: movq %xmm0, (%rdi)
; SSE-NEXT: retq
;
; AVX-LABEL: store_int:
; AVX: # BB#0:
; AVX-NEXT: vpaddd %xmm0, %xmm0, %xmm0
; AVX-NEXT: vmovq %xmm0, (%rdi)
; AVX-NEXT: retq
%a = add <4 x i32> %x, %x
%b = shufflevector <4 x i32> %a, <4 x i32> undef, <2 x i32> <i32 0, i32 1>
%c = bitcast <2 x i32> %b to <2 x float>
store <2 x float> %c, <2 x float>* %p
ret void
}
define void @store_h_double(<2 x double> %x, i64* %p) {
; SSE-LABEL: store_h_double:
; SSE: # BB#0:
; SSE-NEXT: addpd %xmm0, %xmm0
; SSE-NEXT: movhpd %xmm0, (%rdi)
; SSE-NEXT: retq
;
; AVX-LABEL: store_h_double:
; AVX: # BB#0:
; AVX-NEXT: vaddpd %xmm0, %xmm0, %xmm0
; AVX-NEXT: vmovhpd %xmm0, (%rdi)
; AVX-NEXT: retq
%a = fadd <2 x double> %x, %x
%b = extractelement <2 x double> %a, i32 1
%c = bitcast double %b to i64
store i64 %c, i64* %p
ret void
}