[llvm] a569a0a - [InstSimplify] add vector tests for icmp with mul nuw; NFC
Sanjay Patel via llvm-commits
llvm-commits at lists.llvm.org
Wed Aug 5 11:32:26 PDT 2020
Author: Sanjay Patel
Date: 2020-08-05T14:32:17-04:00
New Revision: a569a0af0d96512e1d914f2e966453391f4b9561
URL: https://github.com/llvm/llvm-project/commit/a569a0af0d96512e1d914f2e966453391f4b9561
DIFF: https://github.com/llvm/llvm-project/commit/a569a0af0d96512e1d914f2e966453391f4b9561.diff
LOG: [InstSimplify] add vector tests for icmp with mul nuw; NFC
Also, the naming was off on a couple of tests.
Added:
Modified:
llvm/test/Transforms/InstSimplify/icmp-constant.ll
Removed:
################################################################################
diff --git a/llvm/test/Transforms/InstSimplify/icmp-constant.ll b/llvm/test/Transforms/InstSimplify/icmp-constant.ll
index 4a562165173b..7cde4f2488c3 100644
--- a/llvm/test/Transforms/InstSimplify/icmp-constant.ll
+++ b/llvm/test/Transforms/InstSimplify/icmp-constant.ll
@@ -823,8 +823,8 @@ define i1 @mul_nuw_urem_cmp_constant1(i8 %x) {
; Invert predicate and check vector type.
-define <2 x i1> @mul_nuw_urem_cmp_constant2(<2 x i8> %x) {
-; CHECK-LABEL: @mul_nuw_urem_cmp_constant2(
+define <2 x i1> @mul_nuw_urem_cmp_constant_vec_splat(<2 x i8> %x) {
+; CHECK-LABEL: @mul_nuw_urem_cmp_constant_vec_splat(
; CHECK-NEXT: [[M:%.*]] = mul nuw <2 x i8> [[X:%.*]], <i8 45, i8 45>
; CHECK-NEXT: [[R:%.*]] = icmp ne <2 x i8> [[M]], <i8 15, i8 15>
; CHECK-NEXT: ret <2 x i1> [[R]]
@@ -834,10 +834,32 @@ define <2 x i1> @mul_nuw_urem_cmp_constant2(<2 x i8> %x) {
ret <2 x i1> %r
}
+define <2 x i1> @mul_nuw_urem_cmp_constant_vec_splat_undef1(<2 x i8> %x) {
+; CHECK-LABEL: @mul_nuw_urem_cmp_constant_vec_splat_undef1(
+; CHECK-NEXT: [[M:%.*]] = mul nuw <2 x i8> [[X:%.*]], <i8 45, i8 45>
+; CHECK-NEXT: [[R:%.*]] = icmp ne <2 x i8> [[M]], <i8 15, i8 undef>
+; CHECK-NEXT: ret <2 x i1> [[R]]
+;
+ %m = mul nuw <2 x i8> %x, <i8 45, i8 45>
+ %r = icmp ne <2 x i8> %m, <i8 15, i8 undef>
+ ret <2 x i1> %r
+}
+
+define <2 x i1> @mul_nuw_urem_cmp_constant_vec_splat_undef2(<2 x i8> %x) {
+; CHECK-LABEL: @mul_nuw_urem_cmp_constant_vec_splat_undef2(
+; CHECK-NEXT: [[M:%.*]] = mul nuw <2 x i8> [[X:%.*]], <i8 undef, i8 45>
+; CHECK-NEXT: [[R:%.*]] = icmp ne <2 x i8> [[M]], <i8 15, i8 15>
+; CHECK-NEXT: ret <2 x i1> [[R]]
+;
+ %m = mul nuw <2 x i8> %x, <i8 undef, i8 45>
+ %r = icmp ne <2 x i8> %m, <i8 15, i8 15>
+ ret <2 x i1> %r
+}
+
; Check "negative" numbers (constants should be analyzed as unsigned).
-define i1 @mul_nuw_smaller_cmp_constant_vec_splat(i8 %x) {
-; CHECK-LABEL: @mul_nuw_smaller_cmp_constant_vec_splat(
+define i1 @mul_nuw_urem_cmp_constant2(i8 %x) {
+; CHECK-LABEL: @mul_nuw_urem_cmp_constant2(
; CHECK-NEXT: [[M:%.*]] = mul nuw i8 [[X:%.*]], -42
; CHECK-NEXT: [[R:%.*]] = icmp eq i8 [[M]], -84
; CHECK-NEXT: ret i1 [[R]]
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