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llvm-mirror/test/Analysis/ScalarEvolution/div-overflow.ll
Bill Wendling df27f44bd7 FileCheck-ize tests.
llvm-svn: 188971
2013-08-22 00:51:19 +00:00

12 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
}