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1; RUN: opt < %s -aa-pipeline=basic-aa,globals-aa -passes='function(instcombine),require<globals-aa>,function(invalidate<aa>,loop-mssa(licm))' -S | FileCheck %s2 3; Make sure -globals-aa ignores dead uses of globals.4 5@a = internal global i32 0, align 46@c = common global i32 0, align 47 8; Function Attrs: nounwind9define i32 @g() {10; Make sure the load of @a is hoisted.11; CHECK-LABEL: define i32 @g()12; CHECK: entry:13; CHECK-NEXT: load i32, ptr @a, align 414; CHECK-NEXT: br label %for.cond15entry:16 br label %for.cond17 18for.cond: ; preds = %for.inc, %entry19 %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ]20 %sum.0 = phi i32 [ 0, %entry ], [ %add, %for.inc ]21 %cmp = icmp slt i32 %i.0, 100022 br i1 %cmp, label %for.body, label %for.end23 24for.body: ; preds = %for.cond25 %0 = load i32, ptr @a, align 426 %add = add nsw i32 %sum.0, %027 call void @f()28 br label %for.inc29 30for.inc: ; preds = %for.body31 %inc = add nsw i32 %i.0, 132 br label %for.cond33 34for.end: ; preds = %for.cond35 ret i32 %sum.036}37 38; Function Attrs: nounwind39define internal void @f() {40entry:41 %tobool = icmp ne i32 0, 042 br i1 %tobool, label %if.then, label %if.end43 44if.then: ; preds = %entry45 store i32 ptrtoint (ptr @a to i32), ptr @c, align 446 br label %if.end47 48if.end: ; preds = %if.then, %entry49 %0 = load i32, ptr @c, align 450 %inc = add nsw i32 %0, 151 store i32 %inc, ptr @c, align 452 ret void53}54 55