mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-19 01:13:25 +00:00
b0285932ab
overflow checks. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71284 91177308-0d34-0410-b5e6-96231b3b80d8
11 lines
270 B
LLVM
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
|
|
}
|