[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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