[llvm] [InstCombine] Drop alignment assumptions more aggressively (PR #196060)

[Nikita Popov via llvm-commits]

================
@@ -80,6 +81,18 @@ entry:
   ret void
 }
 
+define void @redundant_align() {
+; CHECK-LABEL: @redundant_align(
+; CHECK-NEXT:    [[PTR:%.*]] = call ptr @get_ptr()
+; CHECK-NEXT:    call void @llvm.assume(i1 true) [ "align"(ptr [[PTR]], i64 8) ]
+; CHECK-NEXT:    ret void
+;
+  %ptr = call ptr @get_ptr()
----------------
nikic wrote:

Does this need to be the result of a call (as opposed to just a function arg)?

https://github.com/llvm/llvm-project/pull/196060