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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc -mtriple=x86_64-linux-gnu < %s | FileCheck %s3 4; Ensure vectorized FPOWs are not widened/unrolled such that they get lowered5; into libcalls on undef elements.6 7define float @test_fpow_v2f32_multiuse(<2 x float> %a0, <2 x float> %a1, ptr%p3) nounwind {8; CHECK-LABEL: test_fpow_v2f32_multiuse:9; CHECK: # %bb.0:10; CHECK-NEXT: pushq %rbx11; CHECK-NEXT: subq $48, %rsp12; CHECK-NEXT: movq %rdi, %rbx13; CHECK-NEXT: movaps %xmm1, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill14; CHECK-NEXT: movaps %xmm0, (%rsp) # 16-byte Spill15; CHECK-NEXT: callq powf@PLT16; CHECK-NEXT: movaps %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill17; CHECK-NEXT: movaps (%rsp), %xmm0 # 16-byte Reload18; CHECK-NEXT: shufps {{.*#+}} xmm0 = xmm0[1,1,1,1]19; CHECK-NEXT: movaps {{[-0-9]+}}(%r{{[sb]}}p), %xmm1 # 16-byte Reload20; CHECK-NEXT: shufps {{.*#+}} xmm1 = xmm1[1,1,1,1]21; CHECK-NEXT: callq powf@PLT22; CHECK-NEXT: movaps {{[-0-9]+}}(%r{{[sb]}}p), %xmm2 # 16-byte Reload23; CHECK-NEXT: movaps %xmm2, %xmm124; CHECK-NEXT: unpcklps {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1]25; CHECK-NEXT: addss %xmm2, %xmm026; CHECK-NEXT: movlps %xmm1, (%rbx)27; CHECK-NEXT: addq $48, %rsp28; CHECK-NEXT: popq %rbx29; CHECK-NEXT: retq30 %fp = call <2 x float> @llvm.pow.v2f32(<2 x float> %a0, <2 x float> %a1)31 %fp0 = extractelement <2 x float> %fp, i32 032 %fp1 = extractelement <2 x float> %fp, i32 133 %res = fadd float %fp0, %fp134 store <2 x float> %fp, ptr%p335 ret float %res36}37declare <2 x float> @llvm.pow.v2f32(<2 x float>, <2 x float>)38 39