File: basictest.ll

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16.1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,388 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (18 lines) | stat: -rw-r--r-- 470 bytes parent folder | download | duplicates (21) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
 
; RUN: opt < %s -adce -simplifycfg | llvm-dis
; RUN: opt < %s -passes=adce | llvm-dis

define i32 @Test(i32 %A, i32 %B) {
BB1:
        br label %BB4

BB2:            ; No predecessors!
        br label %BB3

BB3:            ; preds = %BB4, %BB2
        %ret = phi i32 [ %X, %BB4 ], [ %B, %BB2 ]               ; <i32> [#uses=1]
        ret i32 %ret

BB4:            ; preds = %BB1
        %X = phi i32 [ %A, %BB1 ]               ; <i32> [#uses=1]
        br label %BB3
}