File: branch-no-const.ll

package info (click to toggle)
llvm-toolchain-3.8 1%3A3.8.1-24
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 379,280 kB
  • ctags: 388,501
  • sloc: cpp: 2,309,705; ansic: 477,070; objc: 100,918; asm: 97,974; python: 95,911; sh: 18,634; makefile: 7,294; perl: 5,584; ml: 5,460; pascal: 4,661; lisp: 2,548; xml: 686; cs: 350; php: 212; csh: 117
file content (21 lines) | stat: -rw-r--r-- 354 bytes parent folder | download | duplicates (29) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
 
; RUN: opt < %s -jump-threading -S | not grep phi

declare i8 @mcguffin()

define i32 @test(i1 %foo, i8 %b) {
entry:
  %a = call i8 @mcguffin()
  br i1 %foo, label %bb1, label %bb2
bb1:
  br label %jt
bb2:
  br label %jt
jt:
  %x = phi i8 [%a, %bb1], [%b, %bb2]
  %A = icmp eq i8 %x, %a
  br i1 %A, label %rt, label %rf
rt:
  ret i32 7
rf:
  ret i32 8
}