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[x86] add signed compare variant test for PR50055; NFC

This commit is contained in:
Sanjay Patel 2021-06-02 14:14:29 -04:00
parent 644f722b36
commit cfe32dd03f
1 changed files with 40 additions and 0 deletions
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40
llvm/test/CodeGen/X86/sext-vsetcc.ll
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@ -548,3 +548,43 @@ define <8 x i32> @multi_use_wider_size(<8 x i8>* %src, <8 x i16>* %dst) nounwind
store <8 x i16> %sext, <8 x i16>* %dst
ret <8 x i32> %zext
}
define <4 x i64> @PR50055_signed(<2 x i64>* %src, <4 x i64>* %dst) {
; SSE-LABEL: PR50055_signed:
; SSE: # %bb.0:
; SSE-NEXT: movq {{.*#+}} xmm2 = mem[0],zero
; SSE-NEXT: punpcklbw {{.*#+}} xmm1 = xmm1[0],xmm2[0],xmm1[1],xmm2[1],xmm1[2],xmm2[2],xmm1[3],xmm2[3],xmm1[4],xmm2[4],xmm1[5],xmm2[5],xmm1[6],xmm2[6],xmm1[7],xmm2[7]
; SSE-NEXT: punpcklwd {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3]
; SSE-NEXT: psrad $24, %xmm0
; SSE-NEXT: punpckhwd {{.*#+}} xmm1 = xmm1[4,4,5,5,6,6,7,7]
; SSE-NEXT: psrad $24, %xmm1
; SSE-NEXT: pxor %xmm3, %xmm3
; SSE-NEXT: pcmpgtb %xmm3, %xmm2
; SSE-NEXT: punpcklbw {{.*#+}} xmm2 = xmm2[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
; SSE-NEXT: punpcklwd {{.*#+}} xmm3 = xmm3[0],xmm2[0],xmm3[1],xmm2[1],xmm3[2],xmm2[2],xmm3[3],xmm2[3]
; SSE-NEXT: psrad $24, %xmm3
; SSE-NEXT: punpckhwd {{.*#+}} xmm2 = xmm2[4,4,5,5,6,6,7,7]
; SSE-NEXT: psrad $24, %xmm2
; SSE-NEXT: movdqa %xmm2, 16(%rsi)
; SSE-NEXT: movdqa %xmm3, (%rsi)
; SSE-NEXT: retq
;
; AVX-LABEL: PR50055_signed:
; AVX: # %bb.0:
; AVX-NEXT: vmovq {{.*#+}} xmm1 = mem[0],zero
; AVX-NEXT: vpmovsxbd %xmm1, %ymm0
; AVX-NEXT: vpxor %xmm2, %xmm2, %xmm2
; AVX-NEXT: vpcmpgtb %xmm2, %xmm1, %xmm1
; AVX-NEXT: vpmovsxbd %xmm1, %ymm1
; AVX-NEXT: vmovdqa %ymm1, (%rsi)
; AVX-NEXT: retq
%t0 = bitcast <2 x i64>* %src to <8 x i8>*
%t1 = load <8 x i8>, <8 x i8>* %t0, align 1
%conv = sext <8 x i8> %t1 to <8 x i32>
%t2 = bitcast <8 x i32> %conv to <4 x i64>
%cmp = icmp sgt <8 x i8> %t1, zeroinitializer
%sext = sext <8 x i1> %cmp to <8 x i32>
%t3 = bitcast <4 x i64>* %dst to <8 x i32>*
store <8 x i32> %sext, <8 x i32>* %t3, align 32
ret <4 x i64> %t2
}