File: branch-fold-test.ll

package info (click to toggle)
llvm-2.7 2.7-6
  • links: PTS
  • area: main
  • in suites: squeeze
  • size: 59,992 kB
  • ctags: 49,499
  • sloc: cpp: 373,792; ansic: 16,885; sh: 12,614; asm: 6,809; ada: 3,083; ml: 2,942; python: 2,671; perl: 2,404; makefile: 1,691; pascal: 1,235; exp: 399; objc: 291; lisp: 184; csh: 117; xml: 38; f90: 36
file content (17 lines) | stat: -rw-r--r-- 498 bytes parent folder | download | duplicates (22)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
; This test ensures that the simplifycfg pass continues to constant fold
; terminator instructions.

; RUN: opt < %s -simplifycfg -S | not grep br

define i32 @test(i32 %A, i32 %B) {
J:
        %C = add i32 %A, 12             ; <i32> [#uses=2]
        br i1 true, label %L, label %K
L:              ; preds = %J
        %D = add i32 %C, %B             ; <i32> [#uses=1]
        ret i32 %D
K:              ; preds = %J
        %E = add i32 %C, %B             ; <i32> [#uses=1]
        ret i32 %E
}