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[X86] Add nonsplat increment/decrement constant vector with min/max test (PR39859)

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llvm-svn: 352281
This commit is contained in:
Simon Pilgrim 2019-01-26 16:27:48 +00:00
parent a03c63b77f
commit 7d6c58e843
1 changed files with 27 additions and 0 deletions
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27
llvm/test/CodeGen/X86/sat-add.ll
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@ -537,6 +537,33 @@ define <4 x i32> @unsigned_sat_constant_v4i32_using_cmp_notval(<4 x i32> %x) {
ret <4 x i32> %r
}
define <4 x i32> @unsigned_sat_constant_v4i32_using_cmp_notval_nonsplat(<4 x i32> %x) {
; SSE2-LABEL: unsigned_sat_constant_v4i32_using_cmp_notval_nonsplat:
; SSE2: # %bb.0:
; SSE2-NEXT: movdqa {{.*#+}} xmm1 = [43,44,45,46]
; SSE2-NEXT: paddd %xmm0, %xmm1
; SSE2-NEXT: pxor {{.*}}(%rip), %xmm0
; SSE2-NEXT: pcmpgtd {{.*}}(%rip), %xmm0
; SSE2-NEXT: por %xmm1, %xmm0
; SSE2-NEXT: retq
;
; SSE41-LABEL: unsigned_sat_constant_v4i32_using_cmp_notval_nonsplat:
; SSE41: # %bb.0:
; SSE41-NEXT: movdqa {{.*#+}} xmm1 = [43,44,45,46]
; SSE41-NEXT: paddd %xmm0, %xmm1
; SSE41-NEXT: movdqa {{.*#+}} xmm2 = [4294967252,4294967251,4294967250,4294967249]
; SSE41-NEXT: pminud %xmm0, %xmm2
; SSE41-NEXT: pcmpeqd %xmm2, %xmm0
; SSE41-NEXT: pcmpeqd %xmm2, %xmm2
; SSE41-NEXT: pxor %xmm2, %xmm0
; SSE41-NEXT: por %xmm1, %xmm0
; SSE41-NEXT: retq
%a = add <4 x i32> %x, <i32 43, i32 44, i32 45, i32 46>
%c = icmp ugt <4 x i32> %x, <i32 -44, i32 -45, i32 -46, i32 -47>
%r = select <4 x i1> %c, <4 x i32> <i32 -1, i32 -1, i32 -1, i32 -1>, <4 x i32> %a
ret <4 x i32> %r
}
define <2 x i64> @unsigned_sat_constant_v2i64_using_min(<2 x i64> %x) {
; SSE2-LABEL: unsigned_sat_constant_v2i64_using_min:
; SSE2: # %bb.0: