File: 2002-08-02-CastTest.ll

package info (click to toggle)
llvm-toolchain-3.7 1%3A3.7.1-5
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 345,556 kB
  • ctags: 362,199
  • sloc: cpp: 2,156,381; ansic: 458,339; objc: 91,547; python: 89,988; asm: 86,305; sh: 21,479; makefile: 6,853; perl: 5,601; ml: 5,458; pascal: 3,933; lisp: 2,429; xml: 686; cs: 239; php: 202; csh: 117
file content (11 lines) | stat: -rw-r--r-- 369 bytes parent folder | download | duplicates (11) 
1
2
3
4
5
6
7
8
9
10
11
 
; This testcase is incorrectly getting completely eliminated.  There should be
; SOME instruction named %c here, even if it's a bitwise and.
;
; RUN: opt < %s -instcombine -S | grep %c
;
define i64 @test3(i64 %A) {
        %c1 = trunc i64 %A to i8                ; <i8> [#uses=1]
        %c2 = zext i8 %c1 to i64                ; <i64> [#uses=1]
        ret i64 %c2
}