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

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.4-5
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 2,236,516 kB
  • sloc: cpp: 7,619,569; ansic: 1,433,956; asm: 1,058,748; python: 252,181; f90: 94,671; objc: 70,753; lisp: 42,813; pascal: 18,401; sh: 8,601; ml: 5,111; perl: 4,720; makefile: 3,585; awk: 3,523; javascript: 2,272; xml: 892; fortran: 770
file content (21 lines) | stat: -rw-r--r-- 748 bytes parent folder | download | duplicates (9) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
 
;; This test verifies that with -gc-empty-basic-blocks SHT_LLVM_BB_ADDR_MAP will not include entries for empty blocks.
; RUN: llc < %s -mtriple=x86_64 -O0 -basic-block-address-map -gc-empty-basic-blocks | FileCheck --check-prefix=CHECK %s

define void @foo(i1 zeroext %0) nounwind {
  br i1 %0, label %2, label %empty_block

2:                                               ; preds = %1
  %3 = call i32 @bar()
  br label %4

empty_block:                                     ; preds = %1
  unreachable

4:                                               ; preds = %2, %empty_block
  ret void
}

declare i32 @bar()

; CHECK: .section	.llvm_bb_addr_map,"o",@llvm_bb_addr_map,.text
; CHECK: .byte	3                               # number of basic blocks