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