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[X86][SSE] Add mulhu/mulhs constant folding tests

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These should be folded by D103323
This commit is contained in:
Simon Pilgrim 2021-07-03 17:01:59 +01:00
parent ed92aa4a26
commit a3140ba7ba
1 changed files with 34 additions and 0 deletions
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34
test/CodeGen/X86/pmulh.ll
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@ -2186,3 +2186,37 @@ define <8 x i64> @sext_mulhsw_v8i16_ashr_i64(<8 x i16> %a, <8 x i16> %b) {
%d = ashr <8 x i64> %c, <i64 16, i64 16, i64 16, i64 16, i64 16, i64 16, i64 16, i64 16> %d = ashr <8 x i64> %c, <i64 16, i64 16, i64 16, i64 16, i64 16, i64 16, i64 16, i64 16>
ret <8 x i64> %d ret <8 x i64> %d
} }
define <8 x i16> @sse2_pmulh_w_const(<8 x i16> %a0, <8 x i16> %a1) {
; SSE-LABEL: sse2_pmulh_w_const:
; SSE: # %bb.0:
; SSE-NEXT: movdqa {{.*#+}} xmm0 = [65535,65534,65533,65532,65531,65530,65529,0]
; SSE-NEXT: pmulhw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
; SSE-NEXT: retq
;
; AVX-LABEL: sse2_pmulh_w_const:
; AVX: # %bb.0:
; AVX-NEXT: vmovdqa {{.*#+}} xmm0 = [65535,65534,65533,65532,65531,65530,65529,0]
; AVX-NEXT: vpmulhw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; AVX-NEXT: retq
%res = call <8 x i16> @llvm.x86.sse2.pmulh.w(<8 x i16> <i16 -1, i16 -2, i16 -3, i16 -4, i16 -5, i16 -6, i16 -7, i16 0>, <8 x i16> <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>)
ret <8 x i16> %res
}
declare <8 x i16> @llvm.x86.sse2.pmulh.w(<8 x i16>, <8 x i16>)
define <8 x i16> @sse2_pmulhu_w_const(<8 x i16> %a0, <8 x i16> %a1) {
; SSE-LABEL: sse2_pmulhu_w_const:
; SSE: # %bb.0:
; SSE-NEXT: movdqa {{.*#+}} xmm0 = [65535,65534,65533,65532,65531,65530,65529,0]
; SSE-NEXT: pmulhuw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
; SSE-NEXT: retq
;
; AVX-LABEL: sse2_pmulhu_w_const:
; AVX: # %bb.0:
; AVX-NEXT: vmovdqa {{.*#+}} xmm0 = [65535,65534,65533,65532,65531,65530,65529,0]
; AVX-NEXT: vpmulhuw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; AVX-NEXT: retq
%res = call <8 x i16> @llvm.x86.sse2.pmulhu.w(<8 x i16> <i16 -1, i16 -2, i16 -3, i16 -4, i16 -5, i16 -6, i16 -7, i16 0>, <8 x i16> <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>)
ret <8 x i16> %res
}
declare <8 x i16> @llvm.x86.sse2.pmulhu.w(<8 x i16>, <8 x i16>)