llvm-project/llvm/test/CodeGen/X86/avx512-skx-insert-subvec.ll
Craig Topper 2eb7951da3 [X86] Teach lower1BitShuffle to recognize padding a subvector with zeros with V2 as the source and V1 as the zero vector.
Shuffle canonicalization can swap the sources so the zero vector
might be V1 and the subvector that's being padded can be V2.

llvm-svn: 369226
2019-08-19 00:39:22 +00:00

216 lines
9.1 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512bw -mattr=+avx512dq -mattr=+avx512vl| FileCheck %s
define <8 x i1> @test(<2 x i1> %a) {
; CHECK-LABEL: test:
; CHECK: # %bb.0:
; CHECK-NEXT: vpsllq $63, %xmm0, %xmm0
; CHECK-NEXT: vpmovq2m %xmm0, %k0
; CHECK-NEXT: kshiftlb $2, %k0, %k0
; CHECK-NEXT: vpmovm2w %k0, %xmm0
; CHECK-NEXT: retq
%res = shufflevector <2 x i1> %a, <2 x i1> undef, <8 x i32> <i32 undef, i32 undef, i32 0, i32 1, i32 undef, i32 undef, i32 undef, i32 undef>
ret <8 x i1> %res
}
define <8 x i1> @test1(<2 x i1> %a) {
; CHECK-LABEL: test1:
; CHECK: # %bb.0:
; CHECK-NEXT: vpsllq $63, %xmm0, %xmm0
; CHECK-NEXT: vpmovq2m %xmm0, %k0
; CHECK-NEXT: kshiftlb $4, %k0, %k0
; CHECK-NEXT: vpmovm2w %k0, %xmm0
; CHECK-NEXT: retq
%res = shufflevector <2 x i1> %a, <2 x i1> undef, <8 x i32> <i32 undef, i32 undef, i32 undef, i32 undef, i32 0, i32 1, i32 undef, i32 undef>
ret <8 x i1> %res
}
define <8 x i1> @test2(<2 x i1> %a) {
; CHECK-LABEL: test2:
; CHECK: # %bb.0:
; CHECK-NEXT: vpsllq $63, %xmm0, %xmm0
; CHECK-NEXT: vpmovq2m %xmm0, %k0
; CHECK-NEXT: kshiftlb $4, %k0, %k0
; CHECK-NEXT: vpmovm2w %k0, %xmm0
; CHECK-NEXT: retq
%res = shufflevector <2 x i1> %a, <2 x i1> zeroinitializer, <8 x i32> <i32 3, i32 3, i32 undef, i32 undef, i32 0, i32 1, i32 undef, i32 undef>
ret <8 x i1> %res
}
define <8 x i1> @test3(<4 x i1> %a) {
; CHECK-LABEL: test3:
; CHECK: # %bb.0:
; CHECK-NEXT: vpslld $31, %xmm0, %xmm0
; CHECK-NEXT: vpmovd2m %xmm0, %k0
; CHECK-NEXT: vpmovm2w %k0, %xmm0
; CHECK-NEXT: retq
%res = shufflevector <4 x i1> %a, <4 x i1> zeroinitializer, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
ret <8 x i1> %res
}
define <8 x i1> @test4(<4 x i1> %a, <4 x i1>%b) {
; CHECK-LABEL: test4:
; CHECK: # %bb.0:
; CHECK-NEXT: vpslld $31, %xmm1, %xmm1
; CHECK-NEXT: vpmovd2m %xmm1, %k0
; CHECK-NEXT: vpslld $31, %xmm0, %xmm0
; CHECK-NEXT: vpmovd2m %xmm0, %k1
; CHECK-NEXT: kshiftlb $4, %k0, %k0
; CHECK-NEXT: korb %k0, %k1, %k0
; CHECK-NEXT: vpmovm2w %k0, %xmm0
; CHECK-NEXT: retq
%res = shufflevector <4 x i1> %a, <4 x i1> %b, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
ret <8 x i1> %res
}
define <4 x i1> @test5(<2 x i1> %a, <2 x i1>%b) {
; CHECK-LABEL: test5:
; CHECK: # %bb.0:
; CHECK-NEXT: vpsllq $63, %xmm1, %xmm1
; CHECK-NEXT: vpmovq2m %xmm1, %k0
; CHECK-NEXT: vpsllq $63, %xmm0, %xmm0
; CHECK-NEXT: vpmovq2m %xmm0, %k1
; CHECK-NEXT: kshiftlb $2, %k0, %k0
; CHECK-NEXT: korw %k0, %k1, %k0
; CHECK-NEXT: vpmovm2d %k0, %xmm0
; CHECK-NEXT: retq
%res = shufflevector <2 x i1> %a, <2 x i1> %b, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
ret <4 x i1> %res
}
define <16 x i1> @test6(<2 x i1> %a, <2 x i1>%b) {
; CHECK-LABEL: test6:
; CHECK: # %bb.0:
; CHECK-NEXT: vpsllq $63, %xmm1, %xmm1
; CHECK-NEXT: vpmovq2m %xmm1, %k0
; CHECK-NEXT: vpsllq $63, %xmm0, %xmm0
; CHECK-NEXT: vpmovq2m %xmm0, %k1
; CHECK-NEXT: kshiftlb $2, %k0, %k0
; CHECK-NEXT: korw %k0, %k1, %k0
; CHECK-NEXT: vpmovm2b %k0, %xmm0
; CHECK-NEXT: retq
%res = shufflevector <2 x i1> %a, <2 x i1> %b, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
ret <16 x i1> %res
}
define <32 x i1> @test7(<4 x i1> %a, <4 x i1>%b) {
; CHECK-LABEL: test7:
; CHECK: # %bb.0:
; CHECK-NEXT: vpslld $31, %xmm1, %xmm1
; CHECK-NEXT: vpmovd2m %xmm1, %k0
; CHECK-NEXT: vpslld $31, %xmm0, %xmm0
; CHECK-NEXT: vpmovd2m %xmm0, %k1
; CHECK-NEXT: kshiftlb $4, %k0, %k0
; CHECK-NEXT: korb %k0, %k1, %k0
; CHECK-NEXT: vpmovm2b %k0, %ymm0
; CHECK-NEXT: retq
%res = shufflevector <4 x i1> %a, <4 x i1> %b, <32 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
ret <32 x i1> %res
}
define <64 x i1> @test8(<8 x i1> %a, <8 x i1>%b) {
; CHECK-LABEL: test8:
; CHECK: # %bb.0:
; CHECK-NEXT: vpsllw $15, %xmm1, %xmm1
; CHECK-NEXT: vpmovw2m %xmm1, %k0
; CHECK-NEXT: vpsllw $15, %xmm0, %xmm0
; CHECK-NEXT: vpmovw2m %xmm0, %k1
; CHECK-NEXT: kunpckdq %k1, %k0, %k0
; CHECK-NEXT: vpmovm2b %k0, %zmm0
; CHECK-NEXT: retq
%res = shufflevector <8 x i1> %a, <8 x i1> %b, <64 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
ret <64 x i1> %res
}
define <4 x i1> @test9(<8 x i1> %a, <8 x i1> %b) {
; CHECK-LABEL: test9:
; CHECK: # %bb.0:
; CHECK-NEXT: vpsllw $15, %xmm0, %xmm0
; CHECK-NEXT: vpmovw2m %xmm0, %k0
; CHECK-NEXT: kshiftrb $4, %k0, %k0
; CHECK-NEXT: vpmovm2d %k0, %xmm0
; CHECK-NEXT: retq
%res = shufflevector <8 x i1> %a, <8 x i1> %b, <4 x i32> <i32 4, i32 5, i32 6, i32 7>
ret <4 x i1> %res
}
define <2 x i1> @test10(<4 x i1> %a, <4 x i1> %b) {
; CHECK-LABEL: test10:
; CHECK: # %bb.0:
; CHECK-NEXT: vpslld $31, %xmm0, %xmm0
; CHECK-NEXT: vpmovd2m %xmm0, %k0
; CHECK-NEXT: kshiftrb $2, %k0, %k0
; CHECK-NEXT: vpmovm2q %k0, %xmm0
; CHECK-NEXT: retq
%res = shufflevector <4 x i1> %a, <4 x i1> %b, <2 x i32> <i32 2, i32 3>
ret <2 x i1> %res
}
define <8 x i1> @test11(<4 x i1> %a, <4 x i1>%b) {
; CHECK-LABEL: test11:
; CHECK: # %bb.0:
; CHECK-NEXT: vpslld $31, %xmm0, %xmm0
; CHECK-NEXT: vpmovd2m %xmm0, %k0
; CHECK-NEXT: kshiftlb $4, %k0, %k0
; CHECK-NEXT: vpmovm2w %k0, %xmm0
; CHECK-NEXT: retq
%res = shufflevector <4 x i1> %a, <4 x i1> undef, <8 x i32> <i32 undef, i32 undef, i32 undef, i32 undef, i32 0, i32 1, i32 2, i32 3>
ret <8 x i1> %res
}
define <16 x i1> @test12(<2 x i1> %a) {
; CHECK-LABEL: test12:
; CHECK: # %bb.0:
; CHECK-NEXT: vpsllq $63, %xmm0, %xmm0
; CHECK-NEXT: vpmovq2m %xmm0, %k0
; CHECK-NEXT: kshiftlw $10, %k0, %k0
; CHECK-NEXT: vpmovm2b %k0, %xmm0
; CHECK-NEXT: retq
%res = shufflevector <2 x i1> %a, <2 x i1> zeroinitializer, <16 x i32> <i32 2, i32 3, i32 2, i32 3, i32 2, i32 3, i32 2, i32 3, i32 2, i32 3, i32 0, i32 1, i32 undef, i32 undef, i32 undef, i32 undef>
ret <16 x i1> %res
}
define <32 x i1> @test13(<2 x i1> %a) {
; CHECK-LABEL: test13:
; CHECK: # %bb.0:
; CHECK-NEXT: vpsllq $63, %xmm0, %xmm0
; CHECK-NEXT: vpmovq2m %xmm0, %k0
; CHECK-NEXT: kshiftld $10, %k0, %k0
; CHECK-NEXT: vpmovm2b %k0, %ymm0
; CHECK-NEXT: retq
%res = shufflevector <2 x i1> %a, <2 x i1> zeroinitializer, <32 x i32> <i32 2, i32 3, i32 2, i32 3, i32 2, i32 3, i32 2, i32 3, i32 2, i32 3, i32 0, i32 1, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
ret <32 x i1> %res
}
define <64 x i1> @test14(<2 x i1> %a) {
; CHECK-LABEL: test14:
; CHECK: # %bb.0:
; CHECK-NEXT: vpsllq $63, %xmm0, %xmm0
; CHECK-NEXT: vpmovq2m %xmm0, %k0
; CHECK-NEXT: kshiftlq $10, %k0, %k0
; CHECK-NEXT: vpmovm2b %k0, %zmm0
; CHECK-NEXT: retq
%res = shufflevector <2 x i1> %a, <2 x i1> zeroinitializer, <64 x i32> <i32 2, i32 3, i32 2, i32 3, i32 2, i32 3, i32 2, i32 3, i32 2, i32 3, i32 0, i32 1, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
ret <64 x i1> %res
}
; Make sure we can recognize this shuffle as an insertion in to a zero vector.
define i8 @test15(<2 x i64> %x) {
; CHECK-LABEL: test15:
; CHECK: # %bb.0:
; CHECK-NEXT: vptestnmq %xmm0, %xmm0, %k0
; CHECK-NEXT: kmovd %k0, %eax
; CHECK-NEXT: # kill: def $al killed $al killed $eax
; CHECK-NEXT: retq
%a = icmp eq <2 x i64> %x, zeroinitializer
%b = shufflevector <2 x i1> %a, <2 x i1> <i1 false, i1 undef>, <8 x i32> <i32 0, i32 1, i32 2, i32 2, i32 2, i32 2, i32 2, i32 2>
%c = bitcast <8 x i1> %b to i8
ret i8 %c
}