[llvm] [InstCombine] Remove redundant alignment assumptions. (PR #123348)

[Florian Hahn via llvm-commits]

================
@@ -3404,6 +3405,32 @@ Instruction *InstCombinerImpl::visitCallInst(CallInst &CI) {
         MaybeSimplifyHint(OBU.Inputs[0]);
         MaybeSimplifyHint(OBU.Inputs[1]);
       }
+
+      // Try to remove redundant alignment assumptions.
+      if (OBU.getTagName() == "align" && OBU.Inputs.size() == 2) {
----------------
fhahn wrote:

Yep, put up https://github.com/llvm/llvm-project/pull/158078

https://github.com/llvm/llvm-project/pull/123348