Files
clang-p2996/llvm/test/CodeGen/Mips/xor-and.ll
anbbna b847076f55 [Mips] Add test file for 'xor' and 'and' instructions (#106679)
Part of #99783 

This test is meant to reflect the oncoming change as this test shows the
unoptimized result with unnecessary SLLs.
2024-09-20 07:34:38 +08:00

18 lines
540 B
LLVM

; RUN: llc -O3 -mcpu=mips64r6 -mtriple=mips64el-unknown-linux-gnuabi64 < %s -o - | FileCheck %s
; This test shows the unoptimized result with unnecessary SLLs.
define noundef signext i32 @xor_and(i32 noundef signext %a, i32 noundef signext %b) local_unnamed_addr {
; CHECK-LABEL: xor_and:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: and $1, $5, $4
; CHECK-NEXT: sll $1, $1, 0
; CHECK-NEXT: not $1, $1
; CHECK-NEXT: jr $ra
; CHECK-NEXT: sll $2, $1, 0
entry:
%0 = and i32 %b, %a
%or1 = xor i32 %0, -1
ret i32 %or1
}