1
0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-10-21 12:02:58 +02:00
llvm-mirror/test/Analysis/ScalarEvolution/div-overflow.ll
Dan Gohman 141989d3c2 Fix bogus overflow checks by replacing them with actual
overflow checks.

llvm-svn: 71284
2009-05-08 23:11:16 +00:00

11 lines
270 B
LLVM

; RUN: llvm-as < %s | opt -scalar-evolution -analyze -disable-output \
; RUN: | grep {\\--> ((-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
}