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[x86] add alternate IR tests for select of constants; NFC

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@296496 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Sanjay Patel 2017-02-28 18:02:38 +00:00
parent 54a7acb455
commit 9070606d47
1 changed files with 68 additions and 0 deletions
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68
test/CodeGen/X86/avx512-insert-extract.ll
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@ -1419,6 +1419,40 @@ define zeroext i8 @test_extractelement_v2i1(<2 x i64> %a, <2 x i64> %b) {
ret i8 %res
}
define zeroext i8 @extractelement_v2i1_alt(<2 x i64> %a, <2 x i64> %b) {
; KNL-LABEL: extractelement_v2i1_alt:
; KNL: ## BB#0:
; KNL-NEXT: vmovdqa {{.*#+}} xmm2 = [9223372036854775808,9223372036854775808]
; KNL-NEXT: vpxor %xmm2, %xmm1, %xmm1
; KNL-NEXT: vpxor %xmm2, %xmm0, %xmm0
; KNL-NEXT: vpcmpgtq %xmm1, %xmm0, %xmm0
; KNL-NEXT: vpextrb $0, %xmm0, %eax
; KNL-NEXT: addb $4, %al
; KNL-NEXT: movzbl %al, %eax
; KNL-NEXT: retq
;
; SKX-LABEL: extractelement_v2i1_alt:
; SKX: ## BB#0:
; SKX-NEXT: vpcmpnleuq %xmm1, %xmm0, %k0
; SKX-NEXT: kshiftlw $15, %k0, %k0
; SKX-NEXT: kshiftrw $15, %k0, %k0
; SKX-NEXT: kmovw %k0, %eax
; SKX-NEXT: andl $1, %eax
; SKX-NEXT: testb %al, %al
; SKX-NEXT: je LBB51_2
; SKX-NEXT: ## BB#1:
; SKX-NEXT: movb $-1, %al
; SKX-NEXT: LBB51_2:
; SKX-NEXT: addb $4, %al
; SKX-NEXT: movzbl %al, %eax
; SKX-NEXT: retq
%t1 = icmp ugt <2 x i64> %a, %b
%t2 = extractelement <2 x i1> %t1, i32 0
%sext = sext i1 %t2 to i8
%res = add i8 %sext, 4
ret i8 %res
}
define zeroext i8 @test_extractelement_v4i1(<4 x i32> %a, <4 x i32> %b) {
; KNL-LABEL: test_extractelement_v4i1:
; KNL: ## BB#0:
@ -1501,6 +1535,40 @@ define zeroext i8 @test_extractelement_v64i1(<64 x i8> %a, <64 x i8> %b) {
ret i8 %res
}
define zeroext i8 @extractelement_v64i1_alt(<64 x i8> %a, <64 x i8> %b) {
; KNL-LABEL: extractelement_v64i1_alt:
; KNL: ## BB#0:
; KNL-NEXT: vmovdqa {{.*#+}} ymm0 = [128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128]
; KNL-NEXT: vpxor %ymm0, %ymm3, %ymm2
; KNL-NEXT: vpxor %ymm0, %ymm1, %ymm0
; KNL-NEXT: vpcmpgtb %ymm2, %ymm0, %ymm0
; KNL-NEXT: vextracti128 $1, %ymm0, %xmm0
; KNL-NEXT: vpextrb $15, %xmm0, %eax
; KNL-NEXT: addb $4, %al
; KNL-NEXT: movzbl %al, %eax
; KNL-NEXT: retq
;
; SKX-LABEL: extractelement_v64i1_alt:
; SKX: ## BB#0:
; SKX-NEXT: vpcmpnleub %zmm1, %zmm0, %k0
; SKX-NEXT: kshiftrq $63, %k0, %k0
; SKX-NEXT: kmovw %k0, %eax
; SKX-NEXT: andl $1, %eax
; SKX-NEXT: testb %al, %al
; SKX-NEXT: je LBB55_2
; SKX-NEXT: ## BB#1:
; SKX-NEXT: movb $-1, %al
; SKX-NEXT: LBB55_2:
; SKX-NEXT: addb $4, %al
; SKX-NEXT: movzbl %al, %eax
; SKX-NEXT: retq
%t1 = icmp ugt <64 x i8> %a, %b
%t2 = extractelement <64 x i1> %t1, i32 63
%sext = sext i1 %t2 to i8
%res = add i8 %sext, 4
ret i8 %res
}
define i64 @test_extractelement_variable_v2i64(<2 x i64> %t1, i32 %index) {
; KNL-LABEL: test_extractelement_variable_v2i64:
; KNL: ## BB#0: