File: branch-cond-merge.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 (23 lines) | stat: -rw-r--r-- 765 bytes parent folder | download | duplicates (14)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=simplifycfg,instcombine,simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S | FileCheck %s

declare void @bar()

define void @test(i32 %X, i32 %Y) {
; CHECK-LABEL: @test(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    ret void
;
entry:
  %tmp.2 = icmp ne i32 %X, %Y             ; <i1> [#uses=1]
  br i1 %tmp.2, label %shortcirc_next, label %UnifiedReturnBlock
shortcirc_next:         ; preds = %entry
  %tmp.3 = icmp ne i32 %X, %Y             ; <i1> [#uses=1]
  br i1 %tmp.3, label %UnifiedReturnBlock, label %then
then:           ; preds = %shortcirc_next
  call void @bar( )
  ret void
UnifiedReturnBlock:             ; preds = %shortcirc_next, %entry
  ret void
}