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[X86][AVX512] Add ISD::ROTL/ISD::ROTR constant folding tests

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llvm-svn: 308295
This commit is contained in:
Simon Pilgrim 2017-07-18 11:18:38 +00:00
parent 439041b87f
commit 6b5ea50a12
1 changed files with 20 additions and 0 deletions
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test/CodeGen/X86/avx512-rotate.ll
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@ -234,3 +234,23 @@ define <8 x i64>@test_splat_bounds_ror_v8i64(<8 x i64> %x0, <8 x i64> %x1, i8 %x
%res4 = add <8 x i64> %res3, %res2
ret <8 x i64> %res4
}
; Constant folding
define <8 x i64> @test_fold_rol_v8i64() {
; CHECK-LABEL: test_fold_rol_v8i64:
; CHECK: # BB#0:
; CHECK-NEXT: vmovaps {{.*#+}} zmm0 = [1,2,4,9223372036854775808,2,4611686018427387904,9223372036854775808,9223372036854775808]
; CHECK-NEXT: retq
%res = call <8 x i64> @llvm.x86.avx512.mask.prolv.q.512(<8 x i64> <i64 1, i64 1, i64 1, i64 1, i64 1, i64 1, i64 1, i64 1>, <8 x i64> <i64 0, i64 1, i64 2, i64 63, i64 65, i64 65534, i64 65535, i64 -1>, <8 x i64> zeroinitializer, i8 -1)
ret <8 x i64> %res
}
define <8 x i64> @test_fold_ror_v8i64() {
; CHECK-LABEL: test_fold_ror_v8i64:
; CHECK: # BB#0:
; CHECK-NEXT: vmovaps {{.*#+}} zmm0 = [1,9223372036854775808,4611686018427387904,2,9223372036854775808,4,2,2]
; CHECK-NEXT: retq
%res = call <8 x i64> @llvm.x86.avx512.mask.prorv.q.512(<8 x i64> <i64 1, i64 1, i64 1, i64 1, i64 1, i64 1, i64 1, i64 1>, <8 x i64> <i64 0, i64 1, i64 2, i64 63, i64 65, i64 65534, i64 65535, i64 -1>, <8 x i64> zeroinitializer, i8 -1)
ret <8 x i64> %res
}