xref: /aosp_15_r20/external/llvm/test/Transforms/InstCombine/2012-04-30-SRem.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt -instcombine -S < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; PR12541
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Workerdefine i32 @foo(i32 %x) {
5*9880d681SAndroid Build Coastguard Worker  %y = xor i32 %x, 3
6*9880d681SAndroid Build Coastguard Worker  %z = srem i32 1656690544, %y
7*9880d681SAndroid Build Coastguard Worker  %sext = shl i32 %z, 24
8*9880d681SAndroid Build Coastguard Worker  %s = ashr exact i32 %sext, 24
9*9880d681SAndroid Build Coastguard Worker  ret i32 %s
10*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: and
11*9880d681SAndroid Build Coastguard Worker; The shifts were wrongly being turned into an and with 112
12*9880d681SAndroid Build Coastguard Worker}
13