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llvm-mirror/test/CodeGen/X86/widen_shuffle-1.ll
James Y Knight f0ca422f64 Make utils/update_llc_test_checks.py note that the assertions are
autogenerated.

Also update existing test cases which appear to be generated by it and
weren't modified (other than addition of the header) by rerunning it.

llvm-svn: 253917
2015-11-23 21:33:58 +00:00

94 lines
4.3 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -march=x86 -mattr=+sse4.2 | FileCheck %s
target triple = "x86_64-unknown-unknown"
; widening shuffle v3float and then a add
define void @shuf(<3 x float>* %dst.addr, <3 x float> %src1,<3 x float> %src2) nounwind {
; CHECK-LABEL: shuf:
; CHECK: # BB#0: # %entry
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: addps %xmm1, %xmm0
; CHECK-NEXT: extractps $2, %xmm0, 8(%eax)
; CHECK-NEXT: extractps $1, %xmm0, 4(%eax)
; CHECK-NEXT: movss %xmm0, (%eax)
; CHECK-NEXT: retl
entry:
%x = shufflevector <3 x float> %src1, <3 x float> %src2, <3 x i32> < i32 0, i32 1, i32 2>
%val = fadd <3 x float> %x, %src2
store <3 x float> %val, <3 x float>* %dst.addr
ret void
}
; widening shuffle v3float with a different mask and then a add
define void @shuf2(<3 x float>* %dst.addr, <3 x float> %src1,<3 x float> %src2) nounwind {
; CHECK-LABEL: shuf2:
; CHECK: # BB#0: # %entry
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: blendps {{.*#+}} xmm0 = xmm0[0],xmm1[1],xmm0[2,3]
; CHECK-NEXT: addps %xmm1, %xmm0
; CHECK-NEXT: extractps $2, %xmm0, 8(%eax)
; CHECK-NEXT: extractps $1, %xmm0, 4(%eax)
; CHECK-NEXT: movss %xmm0, (%eax)
; CHECK-NEXT: retl
entry:
%x = shufflevector <3 x float> %src1, <3 x float> %src2, <3 x i32> < i32 0, i32 4, i32 2>
%val = fadd <3 x float> %x, %src2
store <3 x float> %val, <3 x float>* %dst.addr
ret void
}
; Example of when widening a v3float operation causes the DAG to replace a node
; with the operation that we are currently widening, i.e. when replacing
; opA with opB, the DAG will produce new operations with opA.
define void @shuf3(<4 x float> %tmp10, <4 x float> %vecinit15, <4 x float>* %dst) nounwind {
; CHECK-LABEL: shuf3:
; CHECK: # BB#0: # %entry
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,0,0,0]
; CHECK-NEXT: movaps %xmm1, (%eax)
; CHECK-NEXT: retl
entry:
%shuffle.i.i.i12 = shufflevector <4 x float> %tmp10, <4 x float> %vecinit15, <4 x i32> <i32 0, i32 1, i32 4, i32 5>
%tmp25.i.i = shufflevector <4 x float> %shuffle.i.i.i12, <4 x float> undef, <3 x i32> <i32 0, i32 1, i32 2>
%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>
%tmp3.i13 = shufflevector <4 x float> %tmp1.i.i, <4 x float> undef, <3 x i32> <i32 0, i32 1, i32 2> ; <<3 x float>>
%tmp6.i14 = shufflevector <3 x float> %tmp3.i13, <3 x float> zeroinitializer, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
%tmp97.i = shufflevector <4 x float> %tmp6.i14, <4 x float> undef, <3 x i32> <i32 0, i32 1, i32 2>
%tmp2.i18 = shufflevector <3 x float> %tmp97.i, <3 x float> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 2>
%t5 = bitcast <4 x float> %tmp2.i18 to <4 x i32>
%shr.i.i19 = lshr <4 x i32> %t5, <i32 19, i32 19, i32 19, i32 19>
%and.i.i20 = and <4 x i32> %shr.i.i19, <i32 4080, i32 4080, i32 4080, i32 4080>
%shuffle.i.i.i21 = shufflevector <4 x float> %tmp2.i18, <4 x float> undef, <4 x i32> <i32 2, i32 3, i32 2, i32 3>
store <4 x float> %shuffle.i.i.i21, <4 x float>* %dst
ret void
}
; PR10421: make sure we correctly handle extreme widening with CONCAT_VECTORS
define <8 x i8> @shuf4(<4 x i8> %a, <4 x i8> %b) nounwind readnone {
; CHECK-LABEL: shuf4:
; CHECK: # BB#0:
; CHECK-NEXT: movdqa {{.*#+}} xmm2 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
; CHECK-NEXT: pshufb %xmm2, %xmm1
; CHECK-NEXT: pshufb %xmm2, %xmm0
; CHECK-NEXT: punpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
; CHECK-NEXT: retl
%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>
ret <8 x i8> %vshuf
}
; PR11389: another CONCAT_VECTORS case
define void @shuf5(<8 x i8>* %p) nounwind {
; CHECK-LABEL: shuf5:
; CHECK: # BB#0:
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: movdqa {{.*#+}} xmm0 = [33,33,33,33,33,33,33,33]
; CHECK-NEXT: pshufb {{.*#+}} xmm0 = xmm0[0,2,4,6,8,10,12,14,u,u,u,u,u,u,u,u]
; CHECK-NEXT: movq %xmm0, (%eax)
; CHECK-NEXT: retl
%v = shufflevector <2 x i8> <i8 4, i8 33>, <2 x i8> undef, <8 x i32> <i32 1, i32 1, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
store <8 x i8> %v, <8 x i8>* %p, align 8
ret void
}