[llvm] r352424 - [InstCombine] add another saturating uadd test (no undefs); NFC
Sanjay Patel via llvm-commits
llvm-commits at lists.llvm.org
Mon Jan 28 12:37:18 PST 2019
Author: spatel
Date: Mon Jan 28 12:37:18 2019
New Revision: 352424
URL: http://llvm.org/viewvc/llvm-project?rev=352424&view=rev
Log:
[InstCombine] add another saturating uadd test (no undefs); NFC
I forgot that our undef matching hasn't been completed in the previous commit.
Modified:
llvm/trunk/test/Transforms/InstCombine/saturating-add-sub.ll
Modified: llvm/trunk/test/Transforms/InstCombine/saturating-add-sub.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/saturating-add-sub.ll?rev=352424&r1=352423&r2=352424&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/InstCombine/saturating-add-sub.ll (original)
+++ llvm/trunk/test/Transforms/InstCombine/saturating-add-sub.ll Mon Jan 28 12:37:18 2019
@@ -680,13 +680,26 @@ define <4 x i32> @uadd_sat_constant_vec(
define <4 x i32> @uadd_sat_constant_vec_commute(<4 x i32> %x) {
; CHECK-LABEL: @uadd_sat_constant_vec_commute(
-; CHECK-NEXT: [[A:%.*]] = add <4 x i32> [[X:%.*]], <i32 42, i32 42, i32 42, i32 undef>
+; CHECK-NEXT: [[A:%.*]] = add <4 x i32> [[X:%.*]], <i32 42, i32 42, i32 42, i32 42>
; CHECK-NEXT: [[C:%.*]] = icmp ult <4 x i32> [[X]], <i32 -43, i32 -43, i32 -43, i32 -43>
+; CHECK-NEXT: [[R:%.*]] = select <4 x i1> [[C]], <4 x i32> [[A]], <4 x i32> <i32 -1, i32 -1, i32 -1, i32 -1>
+; CHECK-NEXT: ret <4 x i32> [[R]]
+;
+ %a = add <4 x i32> %x, <i32 42, i32 42, i32 42, i32 42>
+ %c = icmp ult <4 x i32> %x, <i32 -43, i32 -43, i32 -43, i32 -43>
+ %r = select <4 x i1> %c, <4 x i32> %a, <4 x i32> <i32 -1, i32 -1, i32 -1, i32 -1>
+ ret <4 x i32> %r
+}
+
+define <4 x i32> @uadd_sat_constant_vec_commute_undefs(<4 x i32> %x) {
+; CHECK-LABEL: @uadd_sat_constant_vec_commute_undefs(
+; CHECK-NEXT: [[A:%.*]] = add <4 x i32> [[X:%.*]], <i32 42, i32 42, i32 42, i32 undef>
+; CHECK-NEXT: [[C:%.*]] = icmp ult <4 x i32> [[X]], <i32 -43, i32 -43, i32 undef, i32 -43>
; CHECK-NEXT: [[R:%.*]] = select <4 x i1> [[C]], <4 x i32> [[A]], <4 x i32> <i32 -1, i32 undef, i32 -1, i32 -1>
; CHECK-NEXT: ret <4 x i32> [[R]]
;
%a = add <4 x i32> %x, <i32 42, i32 42, i32 42, i32 undef>
- %c = icmp ult <4 x i32> %x, <i32 -43, i32 -43, i32 -43, i32 -43>
+ %c = icmp ult <4 x i32> %x, <i32 -43, i32 -43, i32 undef, i32 -43>
%r = select <4 x i1> %c, <4 x i32> %a, <4 x i32> <i32 -1, i32 undef, i32 -1, i32 -1>
ret <4 x i32> %r
}
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