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[X86] Add knownbits vector ADD test

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llvm-svn: 286511
This commit is contained in:
Simon Pilgrim 2016-11-10 22:21:04 +00:00
parent 111603f933
commit 8bbfacaf2c
1 changed files with 17 additions and 0 deletions
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17
llvm/test/CodeGen/X86/known-bits-vector.ll
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@ -204,6 +204,23 @@ define <4 x i32> @knownbits_mask_trunc_shuffle_shl(<4 x i64> %a0) nounwind {
ret <4 x i32> %4
}
define <4 x i32> @knownbits_add_lshr(<4 x i32> %a0, <4 x i32> %a1) nounwind {
; X32-LABEL: knownbits_add_lshr:
; X32: # BB#0:
; X32-NEXT: vxorps %xmm0, %xmm0, %xmm0
; X32-NEXT: retl
;
; X64-LABEL: knownbits_add_lshr:
; X64: # BB#0:
; X64-NEXT: vxorps %xmm0, %xmm0, %xmm0
; X64-NEXT: retq
%1 = and <4 x i32> %a0, <i32 32767, i32 32767, i32 32767, i32 32767>
%2 = and <4 x i32> %a1, <i32 32767, i32 32767, i32 32767, i32 32767>
%3 = add <4 x i32> %1, %2
%4 = lshr <4 x i32> %3, <i32 17, i32 17, i32 17, i32 17>
ret <4 x i32> %4
}
define <4 x i32> @knownbits_sub_lshr(<4 x i32> %a0) nounwind {
; X32-LABEL: knownbits_sub_lshr:
; X32: # BB#0: