1 ; RUN: opt -S -o - -structurizecfg < %s | FileCheck %s 2 3 ; CHECK-LABEL: @no_branch_to_entry_undef( 4 ; CHECK: entry: 5 ; CHECK-NEXT: br label %entry.orig 6 define void @no_branch_to_entry_undef(i32 addrspace(1)* %out) { 7 entry: 8 br i1 undef, label %for.end, label %for.body 9 10 for.body: ; preds = %entry, %for.body 11 store i32 999, i32 addrspace(1)* %out, align 4 12 br label %for.body 13 14 for.end: ; preds = %Flow 15 ret void 16 } 17 18 ; CHECK-LABEL: @no_branch_to_entry_true( 19 ; CHECK: entry: 20 ; CHECK-NEXT: br label %entry.orig 21 define void @no_branch_to_entry_true(i32 addrspace(1)* %out) { 22 entry: 23 br i1 true, label %for.end, label %for.body 24 25 for.body: ; preds = %entry, %for.body 26 store i32 999, i32 addrspace(1)* %out, align 4 27 br label %for.body 28 29 for.end: ; preds = %Flow 30 ret void 31 } 32