File: basic-block-address-map-empty-function.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (25 lines) | stat: -rw-r--r-- 788 bytes parent folder | download | duplicates (3) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
 
;; Verify that the BB address map is not emitted for empty functions.
; RUN: llc < %s -mtriple=x86_64 -basic-block-address-map | FileCheck %s --check-prefixes=CHECK,BASIC
; RUN: llc < %s -mtriple=x86_64 -basic-block-address-map -pgo-analysis-map=func-entry-count,bb-freq | FileCheck %s --check-prefixes=CHECK,PGO

define void @empty_func() {
entry:
  unreachable
}
; CHECK:		{{^ *}}.text{{$}}
; CHECK:	empty_func:
; CHECK:	.Lfunc_begin0:
; CHECK-NOT:	.section	.llvm_bb_addr_map

define void @func() {
entry:
  ret void
}

; CHECK:	func:
; CHECK:	.Lfunc_begin1:
; CHECK:		.section	.llvm_bb_addr_map,"o",@llvm_bb_addr_map,.text{{$}}
; CHECK-NEXT:		.byte 2			# version
; BASIC-NEXT:		.byte 0			# feature
; PGO-NEXT:		.byte 3			# feature
; CHECK-NEXT:		.quad	.Lfunc_begin1	# function address