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[X86][SSE] Split UMIN and UMAX known bits tests

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llvm-svn: 292277
This commit is contained in:
Simon Pilgrim 2017-01-17 22:12:25 +00:00
parent 38ac3dd5f7
commit 9895b41d9d
1 changed files with 27 additions and 10 deletions
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37
test/CodeGen/X86/known-bits-vector.ll
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@ -476,10 +476,9 @@ define <4 x float> @knownbits_smax_smin_shuffle_uitofp(<4 x i32> %a0) {
declare <4 x i32> @llvm.x86.sse41.pmaxsd(<4 x i32>, <4 x i32>) nounwind readnone
declare <4 x i32> @llvm.x86.sse41.pminsd(<4 x i32>, <4 x i32>) nounwind readnone
define <4 x float> @knownbits_umax_umin_shuffle_uitofp(<4 x i32> %a0) {
; X32-LABEL: knownbits_umax_umin_shuffle_uitofp:
define <4 x float> @knownbits_umin_shuffle_uitofp(<4 x i32> %a0) {
; X32-LABEL: knownbits_umin_shuffle_uitofp:
; X32: # BB#0:
; X32-NEXT: vpmaxud {{\.LCPI.*}}, %xmm0, %xmm0
; X32-NEXT: vpminud {{\.LCPI.*}}, %xmm0, %xmm0
; X32-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[0,0,3,3]
; X32-NEXT: vpblendw {{.*#+}} xmm1 = xmm0[0],mem[1],xmm0[2],mem[3],xmm0[4],mem[5],xmm0[6],mem[7]
@ -489,9 +488,8 @@ define <4 x float> @knownbits_umax_umin_shuffle_uitofp(<4 x i32> %a0) {
; X32-NEXT: vaddps %xmm0, %xmm1, %xmm0
; X32-NEXT: retl
;
; X64-LABEL: knownbits_umax_umin_shuffle_uitofp:
; X64-LABEL: knownbits_umin_shuffle_uitofp:
; X64: # BB#0:
; X64-NEXT: vpmaxud {{.*}}(%rip), %xmm0, %xmm0
; X64-NEXT: vpminud {{.*}}(%rip), %xmm0, %xmm0
; X64-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[0,0,3,3]
; X64-NEXT: vpblendw {{.*#+}} xmm1 = xmm0[0],mem[1],xmm0[2],mem[3],xmm0[4],mem[5],xmm0[6],mem[7]
@ -500,15 +498,34 @@ define <4 x float> @knownbits_umax_umin_shuffle_uitofp(<4 x i32> %a0) {
; X64-NEXT: vaddps {{.*}}(%rip), %xmm0, %xmm0
; X64-NEXT: vaddps %xmm0, %xmm1, %xmm0
; X64-NEXT: retq
%1 = call <4 x i32> @llvm.x86.sse41.pmaxud(<4 x i32> %a0, <4 x i32> <i32 255, i32 -1, i32 -1, i32 1023>)
%2 = call <4 x i32> @llvm.x86.sse41.pminud(<4 x i32> %1, <4 x i32> <i32 65535, i32 -1, i32 -1, i32 262143>)
%3 = shufflevector <4 x i32> %2, <4 x i32> undef, <4 x i32> <i32 0, i32 0, i32 3, i32 3>
%4 = uitofp <4 x i32> %3 to <4 x float>
ret <4 x float> %4
%1 = call <4 x i32> @llvm.x86.sse41.pminud(<4 x i32> %a0, <4 x i32> <i32 65535, i32 -1, i32 -1, i32 262143>)
%2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 0, i32 0, i32 3, i32 3>
%3 = uitofp <4 x i32> %2 to <4 x float>
ret <4 x float> %3
}
declare <4 x i32> @llvm.x86.sse41.pmaxud(<4 x i32>, <4 x i32>) nounwind readnone
declare <4 x i32> @llvm.x86.sse41.pminud(<4 x i32>, <4 x i32>) nounwind readnone
define <4 x i32> @knownbits_umax_shuffle_ashr(<4 x i32> %a0) {
; X32-LABEL: knownbits_umax_shuffle_ashr:
; X32: # BB#0:
; X32-NEXT: vpmaxud {{\.LCPI.*}}, %xmm0, %xmm0
; X32-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[1,1,2,2]
; X32-NEXT: vpsrad $31, %xmm0, %xmm0
; X32-NEXT: retl
;
; X64-LABEL: knownbits_umax_shuffle_ashr:
; X64: # BB#0:
; X64-NEXT: vpmaxud {{.*}}(%rip), %xmm0, %xmm0
; X64-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[1,1,2,2]
; X64-NEXT: vpsrad $31, %xmm0, %xmm0
; X64-NEXT: retq
%1 = call <4 x i32> @llvm.x86.sse41.pmaxud(<4 x i32> %a0, <4 x i32> <i32 65535, i32 -1, i32 -15, i32 262143>)
%2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 1, i32 1, i32 2, i32 2>
%3 = ashr <4 x i32> %2, <i32 31, i32 31, i32 31, i32 31>
ret <4 x i32> %3
}
define <4 x float> @knownbits_mask_umax_shuffle_uitofp(<4 x i32> %a0) {
; X32-LABEL: knownbits_mask_umax_shuffle_uitofp:
; X32: # BB#0: