[llvm] [APInt] Added APInt::clearBits() method (PR #137098)

[Liam Semeria via llvm-commits]

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@@ -2520,6 +2520,62 @@ TEST(APIntTest, setAllBits) {
   EXPECT_EQ(128u, i128.popcount());
 }
 
+TEST(APIntTest, clearBits) {
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liamsemeria wrote:

thats very helpful thanks for the tip!

https://github.com/llvm/llvm-project/pull/137098