; 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> %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> %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 }