[llvm] [ValueTracking] Handle range attributes (PR #85143)

[Nikita Popov via llvm-commits]

================
@@ -2085,6 +2085,76 @@ TEST_F(ValueTrackingTest, KnownNonZeroFromDomCond2) {
   EXPECT_EQ(isKnownNonZero(A, DL, 0, &AC, CxtI2, &DT), false);
 }
 
+TEST_F(ValueTrackingTest, KnownNonZeroFromRangeAttributeArgument) {
----------------
nikic wrote:

Please use lit tests instead (usually via llvm/test/Transforms/InstSimplify).

https://github.com/llvm/llvm-project/pull/85143