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[X86] Add another gather test with v8i8 sign extended indices. 

This requires the indices to be legalized and sign extended.

llvm-svn: 318597
This commit is contained in:
Craig Topper 2017-11-18 19:25:35 +00:00
parent 5d404f58dd
commit 65b8a2c9e1
1 changed files with 48 additions and 0 deletions
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48
llvm/test/CodeGen/X86/masked_gather_scatter.ll
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@ -2602,3 +2602,51 @@ define <16 x float> @sext_i8_index(float* %base, <16 x i8> %ind) {
%res = call <16 x float> @llvm.masked.gather.v16f32.v16p0f32(<16 x float*> %gep.random, i32 4, <16 x i1> <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true>, <16 x float> undef)
ret <16 x float>%res
}
; Make sure we allow index to be sign extended from a smaller than i32 element size.
define <8 x float> @sext_v8i8_index(float* %base, <8 x i8> %ind) {
; KNL_64-LABEL: sext_v8i8_index:
; KNL_64: # BB#0:
; KNL_64-NEXT: vpmovzxwq {{.*#+}} zmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero
; KNL_64-NEXT: vpsllq $56, %zmm0, %zmm0
; KNL_64-NEXT: vpsraq $56, %zmm0, %zmm1
; KNL_64-NEXT: kxnorw %k0, %k0, %k1
; KNL_64-NEXT: vgatherqps (%rdi,%zmm1,4), %ymm0 {%k1}
; KNL_64-NEXT: retq
;
; KNL_32-LABEL: sext_v8i8_index:
; KNL_32: # BB#0:
; KNL_32-NEXT: vpmovzxwq {{.*#+}} zmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero
; KNL_32-NEXT: movl {{[0-9]+}}(%esp), %eax
; KNL_32-NEXT: vpsllq $56, %zmm0, %zmm0
; KNL_32-NEXT: vpsraq $56, %zmm0, %zmm1
; KNL_32-NEXT: kxnorw %k0, %k0, %k1
; KNL_32-NEXT: vgatherqps (%eax,%zmm1,4), %ymm0 {%k1}
; KNL_32-NEXT: retl
;
; SKX-LABEL: sext_v8i8_index:
; SKX: # BB#0:
; SKX-NEXT: vpmovzxwq {{.*#+}} zmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero
; SKX-NEXT: vpsllq $56, %zmm0, %zmm0
; SKX-NEXT: vpsraq $56, %zmm0, %zmm1
; SKX-NEXT: kxnorw %k0, %k0, %k1
; SKX-NEXT: vgatherqps (%rdi,%zmm1,4), %ymm0 {%k1}
; SKX-NEXT: retq
;
; SKX_32-LABEL: sext_v8i8_index:
; SKX_32: # BB#0:
; SKX_32-NEXT: vpmovzxwq {{.*#+}} zmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero
; SKX_32-NEXT: movl {{[0-9]+}}(%esp), %eax
; SKX_32-NEXT: vpsllq $56, %zmm0, %zmm0
; SKX_32-NEXT: vpsraq $56, %zmm0, %zmm1
; SKX_32-NEXT: kxnorw %k0, %k0, %k1
; SKX_32-NEXT: vgatherqps (%eax,%zmm1,4), %ymm0 {%k1}
; SKX_32-NEXT: retl
%sext_ind = sext <8 x i8> %ind to <8 x i64>
%gep.random = getelementptr float, float *%base, <8 x i64> %sext_ind
%res = call <8 x float> @llvm.masked.gather.v8f32.v8p0f32(<8 x float*> %gep.random, i32 4, <8 x i1> <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true>, <8 x float> undef)
ret <8 x float>%res
}
declare <8 x float> @llvm.masked.gather.v8f32.v8p0f32(<8 x float*>, i32, <8 x i1>, <8 x float>)