; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s @a = external dso_local local_unnamed_addr global i8, align 1 define void @PR57554() { ; CHECK-LABEL: PR57554: ; CHECK: # %bb.0: ; CHECK-NEXT: movb %al, a(%rip) ; CHECK-NEXT: retq %.fr13 = freeze i8 undef %i = xor i8 %.fr13, -1 %not = sext i8 %i to i32 %add = add i32 %not, 2147483647 %or = or i32 %add, -1794967296 %or4 = or i32 %or, 0 %not5 = xor i32 %or4, -1 %sub = add nsw i32 0, -1 %add7 = add nsw i32 %sub, %not5 %add7.fr = freeze i32 %add7 %i1 = trunc i32 %add7.fr to i8 %conv10 = select i1 false, i8 0, i8 %i1 store i8 %conv10, ptr @a, align 1 ret void }