1 ; Check that basic block section is emitted when a non-entry block has no predecessors.
2 ; RUN: llc < %s -mtriple=x86_64 -O0 -basic-block-sections=all | FileCheck %s --check-prefix=CHECK-SECTIONS
3 ; RUN: llc < %s -mtriple=x86_64 -O0 | FileCheck %s --check-prefix=CHECK-NOSECTIONS
4 define void @foo(ptr %bar) {
5 %v = load i32, ptr %bar
6 switch i32 %v, label %default [
11 ;; This is the block which will not have any predecessors. If the block is not garbage collected, it must
12 ;; be placed in a basic block section with a corresponding symbol.
15 ; CHECK-NOSECTIONS: # %bb.2: # %default
16 ; CHECK-SECTIONS: .section .text.foo,"ax",@progbits,unique,2
17 ; CHECK-SECTIONS-NEXT: foo.__part.2: # %default