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authorSanjay Patel <spatel@rotateright.com>2017-04-18 22:36:59 +0000
committerSanjay Patel <spatel@rotateright.com>2017-04-18 22:36:59 +0000
commitff981f9256191fae109017abd06a2472ec31ded1 (patch)
treed7a300859397ad190018814b1a40fd2e2a996fb5 /llvm/test/CodeGen
parent63220d520320f2f960280e9561dcf24818eeb4a6 (diff)
downloadbcm5719-llvm-ff981f9256191fae109017abd06a2472ec31ded1.tar.gz
bcm5719-llvm-ff981f9256191fae109017abd06a2472ec31ded1.zip
[x86] add tests for potential andn optimization; NFC
llvm-svn: 300617
Diffstat (limited to 'llvm/test/CodeGen')
-rw-r--r--llvm/test/CodeGen/X86/avx-logic.ll42
1 files changed, 40 insertions, 2 deletions
diff --git a/llvm/test/CodeGen/X86/avx-logic.ll b/llvm/test/CodeGen/X86/avx-logic.ll
index e9e7d5aea27..95a61ec8bc3 100644
--- a/llvm/test/CodeGen/X86/avx-logic.ll
+++ b/llvm/test/CodeGen/X86/avx-logic.ll
@@ -1,6 +1,6 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s
-; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512f | FileCheck %s
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=CHECK --check-prefix=AVX
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512f | FileCheck %s --check-prefix=CHECK --check-prefix=AVX512
define <4 x double> @andpd256(<4 x double> %y, <4 x double> %x) nounwind uwtable readnone ssp {
; CHECK-LABEL: andpd256:
@@ -271,3 +271,41 @@ entry:
ret <2 x i64> %x
}
+define <4 x i32> @and_xor_splat1_v4i32(<4 x i32> %x) nounwind {
+; AVX-LABEL: and_xor_splat1_v4i32:
+; AVX: # BB#0:
+; AVX-NEXT: vmovaps {{.*#+}} xmm1 = [1,1,1,1]
+; AVX-NEXT: vxorps %xmm1, %xmm0, %xmm0
+; AVX-NEXT: vandps %xmm1, %xmm0, %xmm0
+; AVX-NEXT: retq
+;
+; AVX512-LABEL: and_xor_splat1_v4i32:
+; AVX512: # BB#0:
+; AVX512-NEXT: vbroadcastss {{.*}}(%rip), %xmm1
+; AVX512-NEXT: vxorps %xmm1, %xmm0, %xmm0
+; AVX512-NEXT: vandps %xmm1, %xmm0, %xmm0
+; AVX512-NEXT: retq
+ %xor = xor <4 x i32> %x, <i32 1, i32 1, i32 1, i32 1>
+ %and = and <4 x i32> %xor, <i32 1, i32 1, i32 1, i32 1>
+ ret <4 x i32> %and
+}
+
+define <4 x i64> @and_xor_splat1_v4i64(<4 x i64> %x) nounwind {
+; AVX-LABEL: and_xor_splat1_v4i64:
+; AVX: # BB#0:
+; AVX-NEXT: vmovaps {{.*#+}} ymm1 = [1,1,1,1]
+; AVX-NEXT: vxorps %ymm1, %ymm0, %ymm0
+; AVX-NEXT: vandps %ymm1, %ymm0, %ymm0
+; AVX-NEXT: retq
+;
+; AVX512-LABEL: and_xor_splat1_v4i64:
+; AVX512: # BB#0:
+; AVX512-NEXT: vbroadcastsd {{.*}}(%rip), %ymm1
+; AVX512-NEXT: vxorps %ymm1, %ymm0, %ymm0
+; AVX512-NEXT: vandps %ymm1, %ymm0, %ymm0
+; AVX512-NEXT: retq
+ %xor = xor <4 x i64> %x, <i64 1, i64 1, i64 1, i64 1>
+ %and = and <4 x i64> %xor, <i64 1, i64 1, i64 1, i64 1>
+ ret <4 x i64> %and
+}
+
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