| ; RUN: opt < %s -simple-loop-unswitch -S | FileCheck %s |
| ; RUN: opt < %s -simple-loop-unswitch -enable-mssa-loop-dependency=true -verify-memoryssa -S | FileCheck %s |
| |
| ; This test checks if unswitched condition preserve make.implicit metadata. |
| define i32 @test(i1 %cond) { |
| ; CHECK-LABEL: @test( |
| entry: |
| br label %loop_begin |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: br i1 %{{.*}}, label %entry.split, label %loop_exit, !make.implicit !0 |
| ; |
| ; CHECK: entry.split: |
| ; CHECK-NEXT: br label %loop_begin |
| |
| loop_begin: |
| br i1 %cond, label %continue, label %loop_exit, !make.implicit !0 |
| ; CHECK: loop_begin: |
| ; CHECK-NEXT: br label %continue |
| |
| continue: |
| call void @some_func() |
| br label %loop_begin |
| ; CHECK: continue: |
| ; CHECK-NEXT: call |
| ; CHECK-NEXT: br label %loop_begin |
| |
| loop_exit: |
| ret i32 0 |
| ; CHECK: loop_exit: |
| ; CHECK-NEXT: ret |
| } |
| |
| declare void @some_func() |
| |
| !0 = !{} |
