[llvm] r296496 - [x86] add alternate IR tests for select of constants; NFC
Sanjay Patel via llvm-commits
llvm-commits at lists.llvm.org
Tue Feb 28 10:02:38 PST 2017
Author: spatel
Date: Tue Feb 28 12:02:38 2017
New Revision: 296496
URL: http://llvm.org/viewvc/llvm-project?rev=296496&view=rev
Log:
[x86] add alternate IR tests for select of constants; NFC
Modified:
llvm/trunk/test/CodeGen/X86/avx512-insert-extract.ll
Modified: llvm/trunk/test/CodeGen/X86/avx512-insert-extract.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/avx512-insert-extract.ll?rev=296496&r1=296495&r2=296496&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/avx512-insert-extract.ll (original)
+++ llvm/trunk/test/CodeGen/X86/avx512-insert-extract.ll Tue Feb 28 12:02:38 2017
@@ -1419,6 +1419,40 @@ define zeroext i8 @test_extractelement_v
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_v
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:
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