1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s
4 @a = external dso_local local_unnamed_addr global i8, align 1
6 define void @PR57554() {
7 ; CHECK-LABEL: PR57554:
9 ; CHECK-NEXT: movb %al, a(%rip)
11 %.fr13 = freeze i8 undef
12 %i = xor i8 %.fr13, -1
13 %not = sext i8 %i to i32
14 %add = add i32 %not, 2147483647
15 %or = or i32 %add, -1794967296
17 %not5 = xor i32 %or4, -1
18 %sub = add nsw i32 0, -1
19 %add7 = add nsw i32 %sub, %not5
20 %add7.fr = freeze i32 %add7
21 %i1 = trunc i32 %add7.fr to i8
22 %conv10 = select i1 false, i8 0, i8 %i1
23 store i8 %conv10, ptr @a, align 1