| ; RUN: opt -passes=jump-threading < %s -S -o - | FileCheck %s |
| |
| ; Reproducer for PR47297. |
| |
| ; The pass did previously not report a correct Modified status in the case |
| ; where a terminator's condition was successfully constant folded, but there |
| ; were no other transformations done. This was caught by the pass return |
| ; status check that is hidden under EXPENSIVE_CHECKS. |
| |
| ; CHECK-LABEL: entry: |
| ; CHECK-NEXT: br i1 icmp eq (i32 ptrtoint (ptr @a to i32), i32 0), label %overflow, label %cont |
| |
| @a = internal global i16 0 |
| |
| define void @foo(i16 %d) { |
| entry: |
| %.not = icmp eq i16 zext (i1 icmp ne (i32 ptrtoint (ptr @a to i32), i32 0) to i16), 0 |
| br i1 %.not, label %overflow, label %cont |
| |
| overflow: ; preds = %entry |
| call void @bar() |
| br label %cont |
| |
| cont: ; preds = %overflow, %entry |
| ret void |
| } |
| |
| declare void @bar() |
