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1; RUN: opt < %s -aa-pipeline=globals-aa -passes='require<globals-aa>,gvn' -S | FileCheck %s2 3@X = internal global i32 44 5define i32 @test_cmpxchg(ptr %P) {6; CHECK-LABEL: @test_cmpxchg7; CHECK-NEXT: store i32 12, ptr @X8; CHECK-NEXT: call void @modrefX_cmpxchg()9; CHECK-NEXT: %V = load i32, ptr @X10; CHECK-NEXT: ret i32 %V11 store i32 12, ptr @X12 call void @modrefX_cmpxchg()13 %V = load i32, ptr @X14 ret i32 %V15}16 17define void @modrefX_cmpxchg() {18 %1 = cmpxchg ptr @X, i32 0, i32 -1 monotonic monotonic19 ret void20}21 22define i32 @test_atomicrmw(ptr %P) {23; CHECK-LABEL: @test_atomicrmw24; CHECK-NEXT: store i32 12, ptr @X25; CHECK-NEXT: call void @modrefXatomicrmw()26; CHECK-NEXT: %V = load i32, ptr @X27; CHECK-NEXT: ret i32 %V28 store i32 12, ptr @X29 call void @modrefXatomicrmw()30 %V = load i32, ptr @X31 ret i32 %V32}33 34define void @modrefXatomicrmw() {35 %1 = atomicrmw add ptr @X, i32 1 acquire36 ret void37}38