Test for the other way also

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11767 91177308-0d34-0410-b5e6-96231b3b80d8
2025-01-14 16:33:28 +00:00 · 2004-02-23 20:24:16 +00:00 · 2004-02-23 20:24:16 +00:00 · 86171b9203
commit 86171b9203
parent cedfd2c78d
1 changed files with 7 additions and 0 deletions
--- a/test/Transforms/InstCombine/2004-02-23-ShiftShiftOverflow.ll
+++ b/test/Transforms/InstCombine/2004-02-23-ShiftShiftOverflow.ll
@ -6,3 +6,10 @@ int %test(int %X) {
 	%Z = shr int %Y, ubyte 17
 	ret int %Z
 }
+
+int %test2(int %X) {
+	; Do not fold into shl X, 34, as this uses undefined behavior!
+	%Y = shl int %X, ubyte 17
+	%Z = shl int %Y, ubyte 17
+	ret int %Z
+}