| ; RUN: opt < %s -loop-unswitch -S < %s 2>&1 | FileCheck %s |
| ; RUN: opt < %s -loop-unswitch -enable-mssa-loop-dependency=true -verify-memoryssa -S < %s 2>&1 | FileCheck %s |
| |
| ; This test checks if unswitched condition preserve make.implicit metadata. |
| |
| define i32 @test(i1 %cond) { |
| ; CHECK-LABEL: @test( |
| ; CHECK: br i1 %cond, label %..split_crit_edge, label %.loop_exit.split_crit_edge, !make.implicit !0 |
| br label %loop_begin |
| |
| loop_begin: |
| br i1 %cond, label %continue, label %loop_exit, !make.implicit !0 |
| |
| continue: |
| call void @some_func() |
| br label %loop_begin |
| |
| loop_exit: |
| ret i32 0 |
| } |
| |
| declare void @some_func() |
| |
| !0 = !{} |
