[llvm] e161454 - [InstSimplify] Add test for insertvalue of undef (NFC)

[Nikita Popov via llvm-commits]

Author: Nikita Popov
Date: 2022-12-08T11:16:46+01:00
New Revision: e161454d2eace13bae786a876acd77df29520b56

URL: https://github.com/llvm/llvm-project/commit/e161454d2eace13bae786a876acd77df29520b56
DIFF: https://github.com/llvm/llvm-project/commit/e161454d2eace13bae786a876acd77df29520b56.diff

LOG: [InstSimplify] Add test for insertvalue of undef (NFC)

Added: 
    

Modified: 
    llvm/test/Transforms/InstSimplify/insertvalue.ll

Removed: 
    


################################################################################
diff  --git a/llvm/test/Transforms/InstSimplify/insertvalue.ll b/llvm/test/Transforms/InstSimplify/insertvalue.ll
index cd46122823152..47f25f88052cd 100644
--- a/llvm/test/Transforms/InstSimplify/insertvalue.ll
+++ b/llvm/test/Transforms/InstSimplify/insertvalue.ll
@@ -1,19 +1,37 @@
 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
 ; RUN: opt < %s -passes=instsimplify -S | FileCheck %s
 
-define {i32, i32} @poison({i32, i32} %x) {
-; CHECK-LABEL: @poison(
+define {i32, i32} @insert_poison({i32, i32} %x) {
+; CHECK-LABEL: @insert_poison(
 ; CHECK-NEXT:    ret { i32, i32 } [[X:%.*]]
 ;
   %v = insertvalue {i32, i32} %x, i32 poison, 0
   ret {i32, i32} %v
 }
 
-define {i32, i32} @poison2({i32, i32} %x) {
-; CHECK-LABEL: @poison2(
+define {i32, i32} @insert_into_poison({i32, i32} %x) {
+; CHECK-LABEL: @insert_into_poison(
 ; CHECK-NEXT:    ret { i32, i32 } [[X:%.*]]
 ;
   %elem = extractvalue {i32, i32} %x, 0
   %v = insertvalue {i32, i32} poison, i32 %elem, 0
   ret {i32, i32} %v
 }
+
+define {i32, i32} @insert_undef({i32, i32} %x) {
+; CHECK-LABEL: @insert_undef(
+; CHECK-NEXT:    [[V:%.*]] = insertvalue { i32, i32 } [[X:%.*]], i32 undef, 0
+; CHECK-NEXT:    ret { i32, i32 } [[V]]
+;
+  %v = insertvalue {i32, i32} %x, i32 undef, 0
+  ret {i32, i32} %v
+}
+
+define {i32, i32} @insert_undef_into_non_poison({i32, i32} noundef %x) {
+; CHECK-LABEL: @insert_undef_into_non_poison(
+; CHECK-NEXT:    [[V:%.*]] = insertvalue { i32, i32 } [[X:%.*]], i32 undef, 0
+; CHECK-NEXT:    ret { i32, i32 } [[V]]
+;
+  %v = insertvalue {i32, i32} %x, i32 undef, 0
+  ret {i32, i32} %v
+}