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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc < %s -mtriple=x86_64-- -mattr=-sse -O0 | FileCheck %s3; PR96754 5define i32 @t() {6; CHECK-LABEL: t:7; CHECK: # %bb.0:8; CHECK-NEXT: movl $1, -{{[0-9]+}}(%rsp)9; CHECK-NEXT: lock orl $0, -{{[0-9]+}}(%rsp)10; CHECK-NEXT: lock decl -{{[0-9]+}}(%rsp)11; CHECK-NEXT: lock orl $0, -{{[0-9]+}}(%rsp)12; CHECK-NEXT: xorl %eax, %eax13; CHECK-NEXT: retq14 %i = alloca i32, align 415 store i32 1, ptr %i, align 416 fence seq_cst17 %t0 = atomicrmw sub ptr %i, i32 1 monotonic18 fence seq_cst19 ret i32 020}21