xref: /llvm-project/llvm/test/CodeGen/Mips/xor-and.ll (revision b847076f55ba34374163fc8eca188fdf164a2a34)
1; RUN: llc -O3 -mcpu=mips64r6 -mtriple=mips64el-unknown-linux-gnuabi64 < %s -o - | FileCheck %s
2
3; This test shows the unoptimized result with unnecessary SLLs.
4define noundef signext i32 @xor_and(i32 noundef signext %a, i32 noundef signext %b) local_unnamed_addr {
5; CHECK-LABEL: xor_and:
6; CHECK:       # %bb.0: # %entry
7; CHECK-NEXT:    and $1, $5, $4
8; CHECK-NEXT:    sll $1, $1, 0
9; CHECK-NEXT:    not $1, $1
10; CHECK-NEXT:    jr $ra
11; CHECK-NEXT:    sll $2, $1, 0
12
13entry:
14  %0 = and i32 %b, %a
15  %or1 = xor i32 %0, -1
16  ret i32 %or1
17}
18