xref: /llvm-project/llvm/test/CodeGen/X86/pr90668.ll (revision a03eeb0e98fefa24b3f596221942814178518703)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
2; RUN: llc < %s -mtriple=x86_64-linux-gnu | FileCheck %s
3
4define i64 @off(i8 signext %a) {
5; CHECK-LABEL: off:
6; CHECK:       # %bb.0: # %entry
7; CHECK-NEXT:    addb $-128, %dil
8; CHECK-NEXT:    movzbl %dil, %eax
9; CHECK-NEXT:    shll $3, %eax
10; CHECK-NEXT:    retq
11entry:
12  %add = xor i8 %a, -128
13  %conv2 = zext i8 %add to i64
14  %mul = shl nuw nsw i64 %conv2, 3
15  ret i64 %mul
16}
17