android_mt6572_jiabo/external/llvm/test/Analysis/ScalarEvolution/div-overflow.ll
2025-09-05 16:56:03 +08:00

11 lines
246 B
LLVM

; RUN: opt < %s -scalar-evolution -analyze | FileCheck %s
; CHECK: --> ((-128 * %a) /u -128)
; Don't let ScalarEvolution fold this div away.
define i8 @foo(i8 %a) {
%t0 = shl i8 %a, 7
%t1 = lshr i8 %t0, 7
ret i8 %t1
}