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Mar 13, 2025
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[CostModel][X86] getShuffleCost - add fallback (to half vector) for b… #43

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4 changes: 4 additions & 0 deletions llvm/lib/Target/X86/X86TargetTransformInfo.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1456,6 +1456,10 @@ InstructionCost X86TTIImpl::getShuffleCost(TTI::ShuffleKind Kind,
if (Kind == TTI::SK_Broadcast)
LT.first = 1;

// Treat <X x bfloat> shuffles as <X x half>.
if (LT.second.isVector() && LT.second.getScalarType() == MVT::bf16)
LT.second = LT.second.changeVectorElementType(MVT::f16);

// Subvector extractions are free if they start at the beginning of a
// vector and cheap if the subvectors are aligned.
if (Kind == TTI::SK_ExtractSubvector && LT.second.isVector()) {
Expand Down
90 changes: 90 additions & 0 deletions llvm/test/Analysis/CostModel/X86/shuffle-broadcast-codesize.ll
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Original file line number Diff line number Diff line change
Expand Up @@ -150,6 +150,96 @@ define void @test_vXi32(<2 x i32> %src64, <4 x i32> %src128, <8 x i32> %src256,
ret void
}

define void @test_vXf16(<2 x half> %src32, <4 x half> %src64, <8 x half> %src128, <16 x half> %src256, <32 x half> %src512) {
; SSE2-LABEL: 'test_vXf16'
; SSE2-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V32 = shufflevector <2 x half> %src32, <2 x half> undef, <2 x i32> zeroinitializer
; SSE2-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V64 = shufflevector <4 x half> %src64, <4 x half> undef, <4 x i32> zeroinitializer
; SSE2-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %V128 = shufflevector <8 x half> %src128, <8 x half> undef, <8 x i32> zeroinitializer
; SSE2-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %V256 = shufflevector <16 x half> %src256, <16 x half> undef, <16 x i32> zeroinitializer
; SSE2-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %V512 = shufflevector <32 x half> %src512, <32 x half> undef, <32 x i32> zeroinitializer
; SSE2-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
; SSSE3-LABEL: 'test_vXf16'
; SSSE3-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V32 = shufflevector <2 x half> %src32, <2 x half> undef, <2 x i32> zeroinitializer
; SSSE3-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V64 = shufflevector <4 x half> %src64, <4 x half> undef, <4 x i32> zeroinitializer
; SSSE3-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V128 = shufflevector <8 x half> %src128, <8 x half> undef, <8 x i32> zeroinitializer
; SSSE3-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V256 = shufflevector <16 x half> %src256, <16 x half> undef, <16 x i32> zeroinitializer
; SSSE3-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V512 = shufflevector <32 x half> %src512, <32 x half> undef, <32 x i32> zeroinitializer
; SSSE3-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
; SSE42-LABEL: 'test_vXf16'
; SSE42-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V32 = shufflevector <2 x half> %src32, <2 x half> undef, <2 x i32> zeroinitializer
; SSE42-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V64 = shufflevector <4 x half> %src64, <4 x half> undef, <4 x i32> zeroinitializer
; SSE42-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V128 = shufflevector <8 x half> %src128, <8 x half> undef, <8 x i32> zeroinitializer
; SSE42-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V256 = shufflevector <16 x half> %src256, <16 x half> undef, <16 x i32> zeroinitializer
; SSE42-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V512 = shufflevector <32 x half> %src512, <32 x half> undef, <32 x i32> zeroinitializer
; SSE42-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
; AVX2-LABEL: 'test_vXf16'
; AVX2-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V32 = shufflevector <2 x half> %src32, <2 x half> undef, <2 x i32> zeroinitializer
; AVX2-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V64 = shufflevector <4 x half> %src64, <4 x half> undef, <4 x i32> zeroinitializer
; AVX2-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V128 = shufflevector <8 x half> %src128, <8 x half> undef, <8 x i32> zeroinitializer
; AVX2-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V256 = shufflevector <16 x half> %src256, <16 x half> undef, <16 x i32> zeroinitializer
; AVX2-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V512 = shufflevector <32 x half> %src512, <32 x half> undef, <32 x i32> zeroinitializer
; AVX2-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
; AVX512-LABEL: 'test_vXf16'
; AVX512-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V32 = shufflevector <2 x half> %src32, <2 x half> undef, <2 x i32> zeroinitializer
; AVX512-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V64 = shufflevector <4 x half> %src64, <4 x half> undef, <4 x i32> zeroinitializer
; AVX512-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V128 = shufflevector <8 x half> %src128, <8 x half> undef, <8 x i32> zeroinitializer
; AVX512-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V256 = shufflevector <16 x half> %src256, <16 x half> undef, <16 x i32> zeroinitializer
; AVX512-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V512 = shufflevector <32 x half> %src512, <32 x half> undef, <32 x i32> zeroinitializer
; AVX512-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
%V32 = shufflevector <2 x half> %src32, <2 x half> undef, <2 x i32> zeroinitializer
%V64 = shufflevector <4 x half> %src64, <4 x half> undef, <4 x i32> zeroinitializer
%V128 = shufflevector <8 x half> %src128, <8 x half> undef, <8 x i32> zeroinitializer
%V256 = shufflevector <16 x half> %src256, <16 x half> undef, <16 x i32> zeroinitializer
%V512 = shufflevector <32 x half> %src512, <32 x half> undef, <32 x i32> zeroinitializer
ret void
}

define void @test_vXbf16(<2 x bfloat> %src32, <4 x bfloat> %src64, <8 x bfloat> %src128, <16 x bfloat> %src256, <32 x bfloat> %src512) {
; SSE-LABEL: 'test_vXbf16'
; SSE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V32 = shufflevector <2 x bfloat> %src32, <2 x bfloat> undef, <2 x i32> zeroinitializer
; SSE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V64 = shufflevector <4 x bfloat> %src64, <4 x bfloat> undef, <4 x i32> zeroinitializer
; SSE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V128 = shufflevector <8 x bfloat> %src128, <8 x bfloat> undef, <8 x i32> zeroinitializer
; SSE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V256 = shufflevector <16 x bfloat> %src256, <16 x bfloat> undef, <16 x i32> zeroinitializer
; SSE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V512 = shufflevector <32 x bfloat> %src512, <32 x bfloat> undef, <32 x i32> zeroinitializer
; SSE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
; AVX1-LABEL: 'test_vXbf16'
; AVX1-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V32 = shufflevector <2 x bfloat> %src32, <2 x bfloat> undef, <2 x i32> zeroinitializer
; AVX1-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V64 = shufflevector <4 x bfloat> %src64, <4 x bfloat> undef, <4 x i32> zeroinitializer
; AVX1-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V128 = shufflevector <8 x bfloat> %src128, <8 x bfloat> undef, <8 x i32> zeroinitializer
; AVX1-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V256 = shufflevector <16 x bfloat> %src256, <16 x bfloat> undef, <16 x i32> zeroinitializer
; AVX1-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V512 = shufflevector <32 x bfloat> %src512, <32 x bfloat> undef, <32 x i32> zeroinitializer
; AVX1-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
; AVX2-LABEL: 'test_vXbf16'
; AVX2-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V32 = shufflevector <2 x bfloat> %src32, <2 x bfloat> undef, <2 x i32> zeroinitializer
; AVX2-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V64 = shufflevector <4 x bfloat> %src64, <4 x bfloat> undef, <4 x i32> zeroinitializer
; AVX2-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V128 = shufflevector <8 x bfloat> %src128, <8 x bfloat> undef, <8 x i32> zeroinitializer
; AVX2-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V256 = shufflevector <16 x bfloat> %src256, <16 x bfloat> undef, <16 x i32> zeroinitializer
; AVX2-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V512 = shufflevector <32 x bfloat> %src512, <32 x bfloat> undef, <32 x i32> zeroinitializer
; AVX2-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
; AVX512-LABEL: 'test_vXbf16'
; AVX512-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V32 = shufflevector <2 x bfloat> %src32, <2 x bfloat> undef, <2 x i32> zeroinitializer
; AVX512-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V64 = shufflevector <4 x bfloat> %src64, <4 x bfloat> undef, <4 x i32> zeroinitializer
; AVX512-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V128 = shufflevector <8 x bfloat> %src128, <8 x bfloat> undef, <8 x i32> zeroinitializer
; AVX512-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V256 = shufflevector <16 x bfloat> %src256, <16 x bfloat> undef, <16 x i32> zeroinitializer
; AVX512-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V512 = shufflevector <32 x bfloat> %src512, <32 x bfloat> undef, <32 x i32> zeroinitializer
; AVX512-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
%V32 = shufflevector <2 x bfloat> %src32, <2 x bfloat> undef, <2 x i32> zeroinitializer
%V64 = shufflevector <4 x bfloat> %src64, <4 x bfloat> undef, <4 x i32> zeroinitializer
%V128 = shufflevector <8 x bfloat> %src128, <8 x bfloat> undef, <8 x i32> zeroinitializer
%V256 = shufflevector <16 x bfloat> %src256, <16 x bfloat> undef, <16 x i32> zeroinitializer
%V512 = shufflevector <32 x bfloat> %src512, <32 x bfloat> undef, <32 x i32> zeroinitializer
ret void
}

define void @test_vXi16(<2 x i16> %src32, <4 x i16> %src64, <8 x i16> %src128, <16 x i16> %src256, <32 x i16> %src512) {
; SSE2-LABEL: 'test_vXi16'
; SSE2-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V32 = shufflevector <2 x i16> %src32, <2 x i16> undef, <2 x i32> zeroinitializer
Expand Down
90 changes: 90 additions & 0 deletions llvm/test/Analysis/CostModel/X86/shuffle-broadcast-latency.ll
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Original file line number Diff line number Diff line change
Expand Up @@ -150,6 +150,96 @@ define void @test_vXi32(<2 x i32> %src64, <4 x i32> %src128, <8 x i32> %src256,
ret void
}

define void @test_vXf16(<2 x half> %src32, <4 x half> %src64, <8 x half> %src128, <16 x half> %src256, <32 x half> %src512) {
; SSE2-LABEL: 'test_vXf16'
; SSE2-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V32 = shufflevector <2 x half> %src32, <2 x half> undef, <2 x i32> zeroinitializer
; SSE2-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V64 = shufflevector <4 x half> %src64, <4 x half> undef, <4 x i32> zeroinitializer
; SSE2-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %V128 = shufflevector <8 x half> %src128, <8 x half> undef, <8 x i32> zeroinitializer
; SSE2-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %V256 = shufflevector <16 x half> %src256, <16 x half> undef, <16 x i32> zeroinitializer
; SSE2-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %V512 = shufflevector <32 x half> %src512, <32 x half> undef, <32 x i32> zeroinitializer
; SSE2-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
; SSSE3-LABEL: 'test_vXf16'
; SSSE3-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V32 = shufflevector <2 x half> %src32, <2 x half> undef, <2 x i32> zeroinitializer
; SSSE3-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V64 = shufflevector <4 x half> %src64, <4 x half> undef, <4 x i32> zeroinitializer
; SSSE3-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V128 = shufflevector <8 x half> %src128, <8 x half> undef, <8 x i32> zeroinitializer
; SSSE3-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V256 = shufflevector <16 x half> %src256, <16 x half> undef, <16 x i32> zeroinitializer
; SSSE3-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V512 = shufflevector <32 x half> %src512, <32 x half> undef, <32 x i32> zeroinitializer
; SSSE3-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
; SSE42-LABEL: 'test_vXf16'
; SSE42-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V32 = shufflevector <2 x half> %src32, <2 x half> undef, <2 x i32> zeroinitializer
; SSE42-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V64 = shufflevector <4 x half> %src64, <4 x half> undef, <4 x i32> zeroinitializer
; SSE42-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V128 = shufflevector <8 x half> %src128, <8 x half> undef, <8 x i32> zeroinitializer
; SSE42-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V256 = shufflevector <16 x half> %src256, <16 x half> undef, <16 x i32> zeroinitializer
; SSE42-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V512 = shufflevector <32 x half> %src512, <32 x half> undef, <32 x i32> zeroinitializer
; SSE42-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
; AVX2-LABEL: 'test_vXf16'
; AVX2-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V32 = shufflevector <2 x half> %src32, <2 x half> undef, <2 x i32> zeroinitializer
; AVX2-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V64 = shufflevector <4 x half> %src64, <4 x half> undef, <4 x i32> zeroinitializer
; AVX2-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V128 = shufflevector <8 x half> %src128, <8 x half> undef, <8 x i32> zeroinitializer
; AVX2-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V256 = shufflevector <16 x half> %src256, <16 x half> undef, <16 x i32> zeroinitializer
; AVX2-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V512 = shufflevector <32 x half> %src512, <32 x half> undef, <32 x i32> zeroinitializer
; AVX2-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
; AVX512-LABEL: 'test_vXf16'
; AVX512-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V32 = shufflevector <2 x half> %src32, <2 x half> undef, <2 x i32> zeroinitializer
; AVX512-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V64 = shufflevector <4 x half> %src64, <4 x half> undef, <4 x i32> zeroinitializer
; AVX512-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V128 = shufflevector <8 x half> %src128, <8 x half> undef, <8 x i32> zeroinitializer
; AVX512-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V256 = shufflevector <16 x half> %src256, <16 x half> undef, <16 x i32> zeroinitializer
; AVX512-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V512 = shufflevector <32 x half> %src512, <32 x half> undef, <32 x i32> zeroinitializer
; AVX512-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
%V32 = shufflevector <2 x half> %src32, <2 x half> undef, <2 x i32> zeroinitializer
%V64 = shufflevector <4 x half> %src64, <4 x half> undef, <4 x i32> zeroinitializer
%V128 = shufflevector <8 x half> %src128, <8 x half> undef, <8 x i32> zeroinitializer
%V256 = shufflevector <16 x half> %src256, <16 x half> undef, <16 x i32> zeroinitializer
%V512 = shufflevector <32 x half> %src512, <32 x half> undef, <32 x i32> zeroinitializer
ret void
}

define void @test_vXbf16(<2 x bfloat> %src32, <4 x bfloat> %src64, <8 x bfloat> %src128, <16 x bfloat> %src256, <32 x bfloat> %src512) {
; SSE-LABEL: 'test_vXbf16'
; SSE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V32 = shufflevector <2 x bfloat> %src32, <2 x bfloat> undef, <2 x i32> zeroinitializer
; SSE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V64 = shufflevector <4 x bfloat> %src64, <4 x bfloat> undef, <4 x i32> zeroinitializer
; SSE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V128 = shufflevector <8 x bfloat> %src128, <8 x bfloat> undef, <8 x i32> zeroinitializer
; SSE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V256 = shufflevector <16 x bfloat> %src256, <16 x bfloat> undef, <16 x i32> zeroinitializer
; SSE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V512 = shufflevector <32 x bfloat> %src512, <32 x bfloat> undef, <32 x i32> zeroinitializer
; SSE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
; AVX1-LABEL: 'test_vXbf16'
; AVX1-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V32 = shufflevector <2 x bfloat> %src32, <2 x bfloat> undef, <2 x i32> zeroinitializer
; AVX1-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V64 = shufflevector <4 x bfloat> %src64, <4 x bfloat> undef, <4 x i32> zeroinitializer
; AVX1-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V128 = shufflevector <8 x bfloat> %src128, <8 x bfloat> undef, <8 x i32> zeroinitializer
; AVX1-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V256 = shufflevector <16 x bfloat> %src256, <16 x bfloat> undef, <16 x i32> zeroinitializer
; AVX1-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V512 = shufflevector <32 x bfloat> %src512, <32 x bfloat> undef, <32 x i32> zeroinitializer
; AVX1-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
; AVX2-LABEL: 'test_vXbf16'
; AVX2-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V32 = shufflevector <2 x bfloat> %src32, <2 x bfloat> undef, <2 x i32> zeroinitializer
; AVX2-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V64 = shufflevector <4 x bfloat> %src64, <4 x bfloat> undef, <4 x i32> zeroinitializer
; AVX2-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V128 = shufflevector <8 x bfloat> %src128, <8 x bfloat> undef, <8 x i32> zeroinitializer
; AVX2-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V256 = shufflevector <16 x bfloat> %src256, <16 x bfloat> undef, <16 x i32> zeroinitializer
; AVX2-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V512 = shufflevector <32 x bfloat> %src512, <32 x bfloat> undef, <32 x i32> zeroinitializer
; AVX2-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
; AVX512-LABEL: 'test_vXbf16'
; AVX512-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V32 = shufflevector <2 x bfloat> %src32, <2 x bfloat> undef, <2 x i32> zeroinitializer
; AVX512-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V64 = shufflevector <4 x bfloat> %src64, <4 x bfloat> undef, <4 x i32> zeroinitializer
; AVX512-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V128 = shufflevector <8 x bfloat> %src128, <8 x bfloat> undef, <8 x i32> zeroinitializer
; AVX512-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V256 = shufflevector <16 x bfloat> %src256, <16 x bfloat> undef, <16 x i32> zeroinitializer
; AVX512-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %V512 = shufflevector <32 x bfloat> %src512, <32 x bfloat> undef, <32 x i32> zeroinitializer
; AVX512-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
;
%V32 = shufflevector <2 x bfloat> %src32, <2 x bfloat> undef, <2 x i32> zeroinitializer
%V64 = shufflevector <4 x bfloat> %src64, <4 x bfloat> undef, <4 x i32> zeroinitializer
%V128 = shufflevector <8 x bfloat> %src128, <8 x bfloat> undef, <8 x i32> zeroinitializer
%V256 = shufflevector <16 x bfloat> %src256, <16 x bfloat> undef, <16 x i32> zeroinitializer
%V512 = shufflevector <32 x bfloat> %src512, <32 x bfloat> undef, <32 x i32> zeroinitializer
ret void
}

define void @test_vXi16(<2 x i16> %src32, <4 x i16> %src64, <8 x i16> %src128, <16 x i16> %src256, <32 x i16> %src512) {
; SSE2-LABEL: 'test_vXi16'
; SSE2-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V32 = shufflevector <2 x i16> %src32, <2 x i16> undef, <2 x i32> zeroinitializer
Expand Down
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