2017-02-03 01:23:57 +08:00
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+sse4.1 | FileCheck %s --check-prefix=X86
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse4.1 | FileCheck %s --check-prefix=X64
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%v4_varying_complex = type { <4 x float>, <4 x float> }
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define void @FFT(%v4_varying_complex* noalias nocapture %destination, float* noalias %re, <4 x i32>* noalias nocapture %ptr_cast_for_load) nounwind {
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; X86-LABEL: FFT:
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; X86: # BB#0: # %begin
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; X86-NEXT: pushl %ebx
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; X86-NEXT: pushl %edi
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; X86-NEXT: pushl %esi
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: movl {{[0-9]+}}(%esp), %edx
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; X86-NEXT: movdqu (%edx), %xmm0
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; X86-NEXT: pslld $4, %xmm0
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; X86-NEXT: movd %xmm0, %edx
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; X86-NEXT: pextrd $1, %xmm0, %esi
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; X86-NEXT: pextrd $2, %xmm0, %edi
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; X86-NEXT: pextrd $3, %xmm0, %ebx
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; X86-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
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; X86-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
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; X86-NEXT: movss {{.*#+}} xmm2 = mem[0],zero,zero,zero
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; X86-NEXT: movss {{.*#+}} xmm3 = mem[0],zero,zero,zero
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; X86-NEXT: movss %xmm0, 128(%eax)
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; X86-NEXT: movss %xmm1, 164(%eax)
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; X86-NEXT: movss %xmm2, 200(%eax)
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; X86-NEXT: movss %xmm3, 236(%eax)
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; X86-NEXT: popl %esi
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; X86-NEXT: popl %edi
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; X86-NEXT: popl %ebx
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; X86-NEXT: retl
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;
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; X64-LABEL: FFT:
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; X64: # BB#0: # %begin
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; X64-NEXT: movdqu (%rdx), %xmm0
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; X64-NEXT: pslld $4, %xmm0
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2017-04-26 15:08:44 +08:00
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; X64-NEXT: movq %xmm0, %rax
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2017-02-03 01:23:57 +08:00
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; X64-NEXT: movslq %eax, %r8
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; X64-NEXT: sarq $32, %rax
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; X64-NEXT: pextrq $1, %xmm0, %rdx
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; X64-NEXT: movslq %edx, %rcx
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; X64-NEXT: sarq $32, %rdx
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; X64-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
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; X64-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
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; X64-NEXT: movss {{.*#+}} xmm2 = mem[0],zero,zero,zero
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; X64-NEXT: movss {{.*#+}} xmm3 = mem[0],zero,zero,zero
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; X64-NEXT: movss %xmm0, 128(%rdi)
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; X64-NEXT: movss %xmm1, 164(%rdi)
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; X64-NEXT: movss %xmm2, 200(%rdi)
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; X64-NEXT: movss %xmm3, 236(%rdi)
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; X64-NEXT: retq
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begin:
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%ptr_masked_load79 = load <4 x i32>, <4 x i32>* %ptr_cast_for_load, align 4
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%mul__bitReversedProgramIndex_load = shl <4 x i32> %ptr_masked_load79, <i32 4, i32 4, i32 4, i32 4>
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%offset32_1 = extractelement <4 x i32> %mul__bitReversedProgramIndex_load, i32 0
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%ptroffset_1 = sext i32 %offset32_1 to i64
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%offset32_2 = extractelement <4 x i32> %mul__bitReversedProgramIndex_load, i32 1
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%ptroffset_2 = sext i32 %offset32_2 to i64
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%offset32_3 = extractelement <4 x i32> %mul__bitReversedProgramIndex_load, i32 2
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%ptroffset_3 = sext i32 %offset32_3 to i64
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%offset32_4 = extractelement <4 x i32> %mul__bitReversedProgramIndex_load, i32 3
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%ptroffset_4 = sext i32 %offset32_4 to i64
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%ptrcast_1 = getelementptr float, float* %re, i64 %ptroffset_1
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%val_1 = load float, float* %ptrcast_1, align 4
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%ptrcast_2 = getelementptr float, float* %re, i64 %ptroffset_2
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%val_2 = load float, float* %ptrcast_2, align 4
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%ptrcast_3 = getelementptr float, float* %re, i64 %ptroffset_3
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%val_3 = load float, float* %ptrcast_3, align 4
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%ptrcast_4 = getelementptr float, float* %re, i64 %ptroffset_4
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%val_4 = load float, float* %ptrcast_4, align 4
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%destination_load_ptr2int_2void = bitcast %v4_varying_complex* %destination to i8*
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%ptrcast1_1 = getelementptr inbounds %v4_varying_complex, %v4_varying_complex* %destination, i64 4, i32 0, i64 0
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store float %val_1, float* %ptrcast1_1, align 4
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%finalptr_2 = getelementptr i8, i8* %destination_load_ptr2int_2void, i64 164
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%ptrcast1_2 = bitcast i8* %finalptr_2 to float*
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store float %val_2, float* %ptrcast1_2, align 4
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%finalptr_3 = getelementptr i8, i8* %destination_load_ptr2int_2void, i64 200
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%ptrcast1_3 = bitcast i8* %finalptr_3 to float*
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store float %val_3, float* %ptrcast1_3, align 4
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%finalptr_4 = getelementptr i8, i8* %destination_load_ptr2int_2void, i64 236
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%ptrcast1_4 = bitcast i8* %finalptr_4 to float*
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store float %val_4, float* %ptrcast1_4, align 4
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ret void
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}
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