[llvm] [Value] Look through inttoptr (add ..) in accumulateConstantOffsets (PR #124981)

[Nikita Popov via llvm-commits]

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@@ -5,26 +5,23 @@
 
 define i1 @known_constexpr_add_eq() {
 ; CHECK-LABEL: define i1 @known_constexpr_add_eq() {
-; CHECK-NEXT:    [[COND:%.*]] = icmp eq ptr getelementptr inbounds nuw (i8, ptr @glob, i64 80), inttoptr (i64 add (i64 ptrtoint (ptr @glob to i64), i64 -80) to ptr)
-; CHECK-NEXT:    ret i1 [[COND]]
+; CHECK-NEXT:    ret i1 false
 ;
   %cond = icmp eq ptr getelementptr inbounds nuw (i8, ptr @glob, i64 80), inttoptr (i64 add (i64 ptrtoint (ptr @glob to i64), i64 -80) to ptr)
   ret i1 %cond
 }
 
 define i1 @known_constexpr_add_eq_ops_swapped() {
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nikic wrote:

I don't get what the difference between this test and the previous is. What's swapped here?

https://github.com/llvm/llvm-project/pull/124981