19 lines
781 B
LLVM
19 lines
781 B
LLVM
|
; Check that basic block section is emitted when a non-entry block has no predecessors.
|
||
|
|
; RUN: llc < %s -mtriple=x86_64 -O0 -basic-block-sections=all | FileCheck %s --check-prefix=CHECK-SECTIONS
|
||
|
|
; RUN: llc < %s -mtriple=x86_64 -O0 | FileCheck %s --check-prefix=CHECK-NOSECTIONS
|
||
|
|
define void @foo(i32* %bar) {
|
||
|
|
%v = load i32, i32* %bar
|
||
|
|
switch i32 %v, label %default [
|
||
|
|
i32 0, label %target
|
||
|
|
]
|
||
|
|
target:
|
||
|
|
ret void
|
||
|
|
;; This is the block which will not have any predecessors. If the block is not garbage collected, it must
|
||
|
|
;; be placed in a basic block section with a corresponding symbol.
|
||
|
|
default:
|
||
|
|
unreachable
|
||
|
|
; CHECK-NOSECTIONS: # %bb.2: # %default
|
||
|
|
; CHECK-SECTIONS: .section .text,"ax",@progbits,unique,2
|
||
|
|
; CHECK-SECTIONS-NEXT: foo.__part.2: # %default
|
||
|
|
}
|