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1; RUN: llc < %s -O2 -mtriple=x86_64-- -verify-machineinstrs | FileCheck %s2 3define void @pr21099(ptr %p) {4; CHECK-LABEL: pr210995; CHECK: lock addq $-21474836486; This number is INT32_MIN: 0x80000000UL7 %1 = atomicrmw add ptr %p, i64 -2147483648 seq_cst8 ret void9}10