derek.holloway
7502bf64a4
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120 lines
4.9 KiB
LLVM
120 lines
4.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+sse4.2 | FileCheck %s --check-prefix=X86
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse4.2 | FileCheck %s --check-prefix=X64
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; widening shuffle v3float and then a add
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define void @shuf(ptr %dst.addr, <3 x float> %src1,<3 x float> %src2) nounwind {
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; X86-LABEL: shuf:
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; X86: # %bb.0: # %entry
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: addps %xmm1, %xmm0
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; X86-NEXT: extractps $2, %xmm0, 8(%eax)
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; X86-NEXT: extractps $1, %xmm0, 4(%eax)
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; X86-NEXT: movss %xmm0, (%eax)
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; X86-NEXT: retl
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;
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; X64-LABEL: shuf:
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; X64: # %bb.0: # %entry
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; X64-NEXT: addps %xmm1, %xmm0
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; X64-NEXT: extractps $2, %xmm0, 8(%rdi)
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; X64-NEXT: movlps %xmm0, (%rdi)
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; X64-NEXT: retq
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entry:
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%x = shufflevector <3 x float> %src1, <3 x float> %src2, <3 x i32> < i32 0, i32 1, i32 2>
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%val = fadd <3 x float> %x, %src2
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store <3 x float> %val, ptr %dst.addr
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ret void
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}
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; widening shuffle v3float with a different mask and then a add
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define void @shuf2(ptr %dst.addr, <3 x float> %src1,<3 x float> %src2) nounwind {
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; X86-LABEL: shuf2:
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; X86: # %bb.0: # %entry
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: blendps {{.*#+}} xmm0 = xmm0[0],xmm1[1],xmm0[2,3]
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; X86-NEXT: addps %xmm1, %xmm0
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; X86-NEXT: extractps $2, %xmm0, 8(%eax)
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; X86-NEXT: extractps $1, %xmm0, 4(%eax)
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; X86-NEXT: movss %xmm0, (%eax)
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; X86-NEXT: retl
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;
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; X64-LABEL: shuf2:
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; X64: # %bb.0: # %entry
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; X64-NEXT: blendps {{.*#+}} xmm0 = xmm0[0],xmm1[1],xmm0[2,3]
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; X64-NEXT: addps %xmm1, %xmm0
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; X64-NEXT: extractps $2, %xmm0, 8(%rdi)
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; X64-NEXT: movlps %xmm0, (%rdi)
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; X64-NEXT: retq
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entry:
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%x = shufflevector <3 x float> %src1, <3 x float> %src2, <3 x i32> < i32 0, i32 4, i32 2>
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%val = fadd <3 x float> %x, %src2
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store <3 x float> %val, ptr %dst.addr
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ret void
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}
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; Example of when widening a v3float operation causes the DAG to replace a node
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; with the operation that we are currently widening, i.e. when replacing
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; opA with opB, the DAG will produce new operations with opA.
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define void @shuf3(<4 x float> %tmp10, <4 x float> %vecinit15, ptr %dst) nounwind {
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; X86-LABEL: shuf3:
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; X86: # %bb.0: # %entry
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,0,0,0]
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; X86-NEXT: movaps %xmm1, (%eax)
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; X86-NEXT: retl
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;
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; X64-LABEL: shuf3:
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; X64: # %bb.0: # %entry
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; X64-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,0,0,0]
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; X64-NEXT: movaps %xmm1, (%rdi)
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; X64-NEXT: retq
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entry:
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%shuffle.i.i.i12 = shufflevector <4 x float> %tmp10, <4 x float> %vecinit15, <4 x i32> <i32 0, i32 1, i32 4, i32 5>
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%tmp25.i.i = shufflevector <4 x float> %shuffle.i.i.i12, <4 x float> poison, <3 x i32> <i32 0, i32 1, i32 2>
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%tmp1.i.i = shufflevector <3 x float> %tmp25.i.i, <3 x float> zeroinitializer, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
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%tmp3.i13 = shufflevector <4 x float> %tmp1.i.i, <4 x float> poison, <3 x i32> <i32 0, i32 1, i32 2> ; <<3 x float>>
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%tmp6.i14 = shufflevector <3 x float> %tmp3.i13, <3 x float> zeroinitializer, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
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%tmp97.i = shufflevector <4 x float> %tmp6.i14, <4 x float> poison, <3 x i32> <i32 0, i32 1, i32 2>
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%tmp2.i18 = shufflevector <3 x float> %tmp97.i, <3 x float> poison, <4 x i32> <i32 0, i32 1, i32 2, i32 2>
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%t5 = bitcast <4 x float> %tmp2.i18 to <4 x i32>
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%shr.i.i19 = lshr <4 x i32> %t5, <i32 19, i32 19, i32 19, i32 19>
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%and.i.i20 = and <4 x i32> %shr.i.i19, <i32 4080, i32 4080, i32 4080, i32 4080>
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%shuffle.i.i.i21 = shufflevector <4 x float> %tmp2.i18, <4 x float> poison, <4 x i32> <i32 2, i32 3, i32 2, i32 3>
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store <4 x float> %shuffle.i.i.i21, ptr %dst
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ret void
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}
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; PR10421: make sure we correctly handle extreme widening with CONCAT_VECTORS
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define <8 x i8> @shuf4(<4 x i8> %a, <4 x i8> %b) nounwind readnone {
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; X86-LABEL: shuf4:
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; X86: # %bb.0:
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; X86-NEXT: unpcklps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
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; X86-NEXT: retl
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;
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; X64-LABEL: shuf4:
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; X64: # %bb.0:
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; X64-NEXT: unpcklps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
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; X64-NEXT: retq
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%vshuf = shufflevector <4 x i8> %a, <4 x i8> %b, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
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ret <8 x i8> %vshuf
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}
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; PR11389: another CONCAT_VECTORS case
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define void @shuf5(ptr %p) nounwind {
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; X86-LABEL: shuf5:
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; X86: # %bb.0:
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movsd {{.*#+}} xmm0 = [33,33,u,u,u,u,u,u,0,0,u,u,u,u,u,u]
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; X86-NEXT: movsd %xmm0, (%eax)
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; X86-NEXT: retl
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;
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; X64-LABEL: shuf5:
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; X64: # %bb.0:
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; X64-NEXT: movq $8481, (%rdi) # imm = 0x2121
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; X64-NEXT: retq
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%v = shufflevector <2 x i8> <i8 4, i8 33>, <2 x i8> poison, <8 x i32> <i32 1, i32 1, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
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store <8 x i8> %v, ptr %p, align 8
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ret void
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}
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