1 ; RUN: llc -verify-machineinstrs < %s
2 ; Regression test for https://github.com/llvm/llvm-project/issues/58911
4 target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
5 target triple = "armv7-none-unknown-eabi"
7 @a = dso_local global i64 0, align 8
8 @d = dso_local local_unnamed_addr global i32 0, align 4
10 define dso_local void @f() nounwind {
12 store volatile i64 0, ptr @a, align 8
13 %0 = load i32, ptr @d, align 4
14 %tobool.not = icmp eq i32 %0, 0
15 %conv = zext i32 %0 to i64
16 %sub = sub nsw i64 0, %conv
17 %cond = select i1 %tobool.not, i64 0, i64 %sub
18 store volatile i64 %cond, ptr @a, align 8