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[X86] Add knownbits vector or test 

In preparation for demandedelts support

llvm-svn: 286068
This commit is contained in:
Simon Pilgrim 2016-11-06 16:05:59 +00:00
parent b3ad5f7ebf
commit c104185580
1 changed files with 31 additions and 0 deletions
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31
llvm/test/CodeGen/X86/known-bits-vector.ll
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@ -89,3 +89,34 @@ define <4 x float> @knownbits_mask_shuffle_uitofp(<4 x i32> %a0) nounwind {
%3 = uitofp <4 x i32> %2 to <4 x float>
ret <4 x float> %3
}
define <4 x float> @knownbits_mask_or_shuffle_uitofp(<4 x i32> %a0) nounwind {
; X32-LABEL: knownbits_mask_or_shuffle_uitofp:
; X32: # BB#0:
; X32-NEXT: vpand {{\.LCPI.*}}, %xmm0, %xmm0
; X32-NEXT: vpor {{\.LCPI.*}}, %xmm0, %xmm0
; X32-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[2,2,3,3]
; X32-NEXT: vpblendw {{.*#+}} xmm1 = xmm0[0],mem[1],xmm0[2],mem[3],xmm0[4],mem[5],xmm0[6],mem[7]
; X32-NEXT: vpsrld $16, %xmm0, %xmm0
; X32-NEXT: vpblendw {{.*#+}} xmm0 = xmm0[0],mem[1],xmm0[2],mem[3],xmm0[4],mem[5],xmm0[6],mem[7]
; X32-NEXT: vaddps {{\.LCPI.*}}, %xmm0, %xmm0
; X32-NEXT: vaddps %xmm0, %xmm1, %xmm0
; X32-NEXT: retl
;
; X64-LABEL: knownbits_mask_or_shuffle_uitofp:
; X64: # BB#0:
; X64-NEXT: vpand {{.*}}(%rip), %xmm0, %xmm0
; X64-NEXT: vpor {{.*}}(%rip), %xmm0, %xmm0
; X64-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[2,2,3,3]
; X64-NEXT: vpblendw {{.*#+}} xmm1 = xmm0[0],mem[1],xmm0[2],mem[3],xmm0[4],mem[5],xmm0[6],mem[7]
; X64-NEXT: vpsrld $16, %xmm0, %xmm0
; X64-NEXT: vpblendw {{.*#+}} xmm0 = xmm0[0],mem[1],xmm0[2],mem[3],xmm0[4],mem[5],xmm0[6],mem[7]
; X64-NEXT: vaddps {{.*}}(%rip), %xmm0, %xmm0
; X64-NEXT: vaddps %xmm0, %xmm1, %xmm0
; X64-NEXT: retq
%1 = and <4 x i32> %a0, <i32 -1, i32 -1, i32 255, i32 4085>
%2 = or <4 x i32> %1, <i32 65535, i32 65535, i32 65535, i32 65535>
%3 = shufflevector <4 x i32> %2, <4 x i32> undef, <4 x i32> <i32 2, i32 2, i32 3, i32 3>
%4 = uitofp <4 x i32> %3 to <4 x float>
ret <4 x float> %4
}