[llvm] 9427fce - [ValueTracking] Add tests for `cmpExcludesZero` for non-splat vecs; NFC
Noah Goldstein via llvm-commits
llvm-commits at lists.llvm.org
Thu Oct 12 14:05:30 PDT 2023
Author: Noah Goldstein
Date: 2023-10-12T16:05:19-05:00
New Revision: 9427fce6778c8d01a0519cd0382a0ae6a75b2d35
URL: https://github.com/llvm/llvm-project/commit/9427fce6778c8d01a0519cd0382a0ae6a75b2d35
DIFF: https://github.com/llvm/llvm-project/commit/9427fce6778c8d01a0519cd0382a0ae6a75b2d35.diff
LOG: [ValueTracking] Add tests for `cmpExcludesZero` for non-splat vecs; NFC
Added:
Modified:
llvm/test/Analysis/ValueTracking/known-non-zero.ll
Removed:
################################################################################
diff --git a/llvm/test/Analysis/ValueTracking/known-non-zero.ll b/llvm/test/Analysis/ValueTracking/known-non-zero.ll
index 6dce6e528165ea6..f64303f17301504 100644
--- a/llvm/test/Analysis/ValueTracking/known-non-zero.ll
+++ b/llvm/test/Analysis/ValueTracking/known-non-zero.ll
@@ -1160,3 +1160,65 @@ define i1 @sdiv_known_non_zero_fail(i8 %x, i8 %y) {
%nz = icmp ne i8 %xy, 0
ret i1 %nz
}
+
+define <2 x i1> @cmp_excludes_zero_with_nonsplat_vec(<2 x i8> %a, <2 x i8> %b) {
+; CHECK-LABEL: @cmp_excludes_zero_with_nonsplat_vec(
+; CHECK-NEXT: [[C:%.*]] = icmp sge <2 x i8> [[A:%.*]], <i8 1, i8 4>
+; CHECK-NEXT: [[S:%.*]] = select <2 x i1> [[C]], <2 x i8> [[A]], <2 x i8> <i8 4, i8 5>
+; CHECK-NEXT: [[AND:%.*]] = or <2 x i8> [[S]], [[B:%.*]]
+; CHECK-NEXT: [[R:%.*]] = icmp eq <2 x i8> [[AND]], zeroinitializer
+; CHECK-NEXT: ret <2 x i1> [[R]]
+;
+ %c = icmp sge <2 x i8> %a, <i8 1, i8 4>
+ %s = select <2 x i1> %c, <2 x i8> %a, <2 x i8> <i8 4, i8 5>
+ %and = or <2 x i8> %s, %b
+ %r = icmp eq <2 x i8> %and, zeroinitializer
+ ret <2 x i1> %r
+}
+
+define <2 x i1> @cmp_excludes_zero_with_nonsplat_vec_wundef(<2 x i8> %a, <2 x i8> %b) {
+; CHECK-LABEL: @cmp_excludes_zero_with_nonsplat_vec_wundef(
+; CHECK-NEXT: [[C:%.*]] = icmp sge <2 x i8> [[A:%.*]], <i8 1, i8 undef>
+; CHECK-NEXT: [[S:%.*]] = select <2 x i1> [[C]], <2 x i8> [[A]], <2 x i8> <i8 4, i8 5>
+; CHECK-NEXT: [[AND:%.*]] = or <2 x i8> [[S]], [[B:%.*]]
+; CHECK-NEXT: [[R:%.*]] = icmp eq <2 x i8> [[AND]], zeroinitializer
+; CHECK-NEXT: ret <2 x i1> [[R]]
+;
+ %c = icmp sge <2 x i8> %a, <i8 1, i8 undef>
+ %s = select <2 x i1> %c, <2 x i8> %a, <2 x i8> <i8 4, i8 5>
+ %and = or <2 x i8> %s, %b
+ %r = icmp eq <2 x i8> %and, zeroinitializer
+ ret <2 x i1> %r
+}
+
+define <2 x i1> @cmp_excludes_zero_with_nonsplat_vec_wpoison(<2 x i8> %a, <2 x i8> %b) {
+; CHECK-LABEL: @cmp_excludes_zero_with_nonsplat_vec_wpoison(
+; CHECK-NEXT: [[C:%.*]] = icmp sge <2 x i8> [[A:%.*]], <i8 1, i8 poison>
+; CHECK-NEXT: [[S:%.*]] = select <2 x i1> [[C]], <2 x i8> [[A]], <2 x i8> <i8 4, i8 5>
+; CHECK-NEXT: [[AND:%.*]] = or <2 x i8> [[S]], [[B:%.*]]
+; CHECK-NEXT: [[R:%.*]] = icmp eq <2 x i8> [[AND]], zeroinitializer
+; CHECK-NEXT: ret <2 x i1> [[R]]
+;
+ %c = icmp sge <2 x i8> %a, <i8 1, i8 poison>
+ %s = select <2 x i1> %c, <2 x i8> %a, <2 x i8> <i8 4, i8 5>
+ %and = or <2 x i8> %s, %b
+ %r = icmp eq <2 x i8> %and, zeroinitializer
+ ret <2 x i1> %r
+}
+
+
+define <2 x i1> @cmp_excludes_zero_with_nonsplat_vec_fail(<2 x i8> %a, <2 x i8> %b) {
+; CHECK-LABEL: @cmp_excludes_zero_with_nonsplat_vec_fail(
+; CHECK-NEXT: [[C:%.*]] = icmp sge <2 x i8> [[A:%.*]], <i8 0, i8 4>
+; CHECK-NEXT: [[S:%.*]] = select <2 x i1> [[C]], <2 x i8> [[A]], <2 x i8> <i8 4, i8 5>
+; CHECK-NEXT: [[AND:%.*]] = or <2 x i8> [[S]], [[B:%.*]]
+; CHECK-NEXT: [[R:%.*]] = icmp eq <2 x i8> [[AND]], zeroinitializer
+; CHECK-NEXT: ret <2 x i1> [[R]]
+;
+ %c = icmp sge <2 x i8> %a, <i8 0, i8 4>
+ %s = select <2 x i1> %c, <2 x i8> %a, <2 x i8> <i8 4, i8 5>
+ %and = or <2 x i8> %s, %b
+ %r = icmp eq <2 x i8> %and, zeroinitializer
+ ret <2 x i1> %r
+}
+
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