| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -passes=correlated-propagation -S -o - %s | FileCheck %s |
| |
| ; Testcase that checks that we don't end in a neverending recursion resulting in |
| ; a segmentation fault. The checks below verify that nothing is changed. |
| |
| declare dso_local i16* @f2(i16* readnone returned) local_unnamed_addr |
| |
| define dso_local void @f3() local_unnamed_addr { |
| ; CHECK-LABEL: @f3( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: br label [[FOR_COND:%.*]] |
| ; CHECK: for.end: |
| ; CHECK-NEXT: [[CALL6:%.*]] = call i16* @f2(i16* [[CALL6]]) |
| ; CHECK-NEXT: br i1 false, label [[FOR_COND]], label [[FOR_COND3:%.*]] |
| ; CHECK: for.cond: |
| ; CHECK-NEXT: [[C_0:%.*]] = phi i16* [ undef, [[ENTRY:%.*]] ], [ [[CALL6]], [[FOR_END:%.*]] ] |
| ; CHECK-NEXT: br label [[FOR_COND3]] |
| ; CHECK: for.cond3: |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| br label %for.cond |
| |
| for.end: |
| %call6 = call i16* @f2(i16* %call6) |
| br i1 false, label %for.cond, label %for.cond3 |
| |
| for.cond: |
| %c.0 = phi i16* [ undef, %entry ], [ %call6, %for.end ] |
| br label %for.cond3 |
| |
| for.cond3: |
| ret void |
| } |