166 lines
7.4 KiB
LLVM
166 lines
7.4 KiB
LLVM
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; Test to check both the callgraph and refgraph in summary
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; RUN: opt -module-summary %s -o %t.o
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; RUN: llvm-bcanalyzer -dump %t.o | FileCheck %s
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; RUN: llvm-dis -o - %t.o | FileCheck %s --check-prefix=DIS
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; Round trip it through llvm-as
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; RUN: llvm-dis -o - %t.o | llvm-as -o - | llvm-dis -o - | FileCheck %s --check-prefix=DIS
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; CHECK: <SOURCE_FILENAME
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; "bar"
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; CHECK-NEXT: <GLOBALVAR {{.*}} op0=0 op1=3
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; "globalvar"
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; CHECK-NEXT: <GLOBALVAR {{.*}} op0=3 op1=9
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; "func"
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; CHECK-NEXT: <FUNCTION op0=12 op1=4
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; "func2"
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; CHECK-NEXT: <FUNCTION op0=16 op1=5
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; "foo"
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; CHECK-NEXT: <FUNCTION op0=21 op1=3
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; "func3"
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; CHECK-NEXT: <FUNCTION op0=24 op1=5
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; "W"
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; CHECK-NEXT: <FUNCTION op0=29 op1=1
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; "X"
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; CHECK-NEXT: <FUNCTION op0=30 op1=1
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; "Y"
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; CHECK-NEXT: <FUNCTION op0=31 op1=1
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; "Z"
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; CHECK-NEXT: <FUNCTION op0=32 op1=1
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; "llvm.ctpop.i8"
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; CHECK-NEXT: <FUNCTION op0=33 op1=13
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; "main"
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; CHECK-NEXT: <FUNCTION op0=46 op1=4
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; See if the calls and other references are recorded properly using the
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; expected value id and other information as appropriate (callsite cout
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; for calls). Use different linkage types for the various test cases to
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; distinguish the test cases here (op1 contains the linkage type).
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; Note that op3 contains the # non-call references.
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; This also ensures that we didn't include a call or reference to intrinsic
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; llvm.ctpop.i8.
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; CHECK: <GLOBALVAL_SUMMARY_BLOCK
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; Function main contains call to func, as well as address reference to func:
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; op0=main op4=func op5=func
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; CHECK-DAG: <PERMODULE {{.*}} op0=11 op1=0 {{.*}} op4=1 op5=0 op6=0 op7=2 op8=2/>
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; Function W contains a call to func3 as well as a reference to globalvar:
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; op0=W op4=globalvar op5=func3
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; CHECK-DAG: <PERMODULE {{.*}} op0=6 op1=5 {{.*}} op4=1 op5=0 op6=0 op7=1 op8=5/>
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; Function X contains call to foo, as well as address reference to foo
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; which is in the same instruction as the call:
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; op0=X op4=foo op5=foo
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; CHECK-DAG: <PERMODULE {{.*}} op0=7 op1=1 {{.*}} op4=1 op5=0 op6=0 op7=4 op8=4/>
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; Function Y contains call to func2, and ensures we don't incorrectly add
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; a reference to it when reached while earlier analyzing the phi using its
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; return value:
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; op0=Y op4=func2
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; CHECK-DAG: <PERMODULE {{.*}} op0=8 op1=72 {{.*}} op4=0 op5=0 op6=0 op7=3/>
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; Function Z contains call to func2, and ensures we don't incorrectly add
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; a reference to it when reached while analyzing subsequent use of its return
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; value:
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; op0=Z op4=func2
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; CHECK-DAG: <PERMODULE {{.*}} op0=9 op1=3 {{.*}} op4=0 op5=0 op6=0 op7=3/>
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; Variable bar initialization contains address reference to func:
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; op0=bar op2=func
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; CHECK-DAG: <PERMODULE_GLOBALVAR_INIT_REFS {{.*}} op0=0 op1=0 op2=3 op3=2/>
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; CHECK: </GLOBALVAL_SUMMARY_BLOCK>
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; CHECK: <STRTAB_BLOCK
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; CHECK-NEXT: blob data = 'barglobalvarfuncfunc2foofunc3WXYZllvm.ctpop.i8main{{.*}}'
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; ModuleID = 'thinlto-function-summary-refgraph.ll'
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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@bar = global void (...)* bitcast (void ()* @func to void (...)*), align 8
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@globalvar = constant i32 0, align 4
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declare void @func() #0
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declare i32 @func2(...) #1
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declare void @foo(i8* %F) #0
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declare i32 @func3(i32* dereferenceable(4)) #2
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; Function Attrs: nounwind uwtable
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define weak_odr void @W() #0 {
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entry:
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%call = tail call i32 @func3(i32* nonnull dereferenceable(4) @globalvar)
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ret void
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}
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; Function Attrs: nounwind uwtable
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define available_externally void @X() #0 {
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entry:
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call void @foo(i8* bitcast (void (i8*)* @foo to i8*))
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ret void
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}
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; Function Attrs: nounwind uwtable
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define private i32 @Y(i32 %i) #0 {
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entry:
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%cmp3 = icmp slt i32 %i, 10
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br i1 %cmp3, label %while.body.preheader, label %while.end
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while.body.preheader: ; preds = %entry
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br label %while.body
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while.body: ; preds = %while.body.preheader, %while.body
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%j.05 = phi i32 [ %add, %while.body ], [ 0, %while.body.preheader ]
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%i.addr.04 = phi i32 [ %inc, %while.body ], [ %i, %while.body.preheader ]
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%inc = add nsw i32 %i.addr.04, 1
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%call = tail call i32 (...) @func2() #2
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%add = add nsw i32 %call, %j.05
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%exitcond = icmp eq i32 %inc, 10
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br i1 %exitcond, label %while.end.loopexit, label %while.body
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while.end.loopexit: ; preds = %while.body
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%add.lcssa = phi i32 [ %add, %while.body ]
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br label %while.end
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while.end: ; preds = %while.end.loopexit, %entry
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%j.0.lcssa = phi i32 [ 0, %entry ], [ %add.lcssa, %while.end.loopexit ]
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ret i32 %j.0.lcssa
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}
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; Function Attrs: nounwind uwtable
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define linkonce_odr i32 @Z() #0 {
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entry:
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%call = tail call i32 (...) @func2() #2
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ret i32 %call
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}
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declare i8 @llvm.ctpop.i8(i8)
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; Function Attrs: nounwind uwtable
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define i32 @main() #0 {
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entry:
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%retval = alloca i32, align 4
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%foo = alloca void (...)*, align 8
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store i32 0, i32* %retval, align 4
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store void (...)* bitcast (void ()* @func to void (...)*), void (...)** %foo, align 8
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%0 = load void (...)*, void (...)** %foo, align 8
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call void (...) %0()
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call void @func()
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call i8 @llvm.ctpop.i8( i8 10 )
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ret i32 0
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}
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; Don't try to match summary IDs. The numbering depends on the map iteration
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; order, which depends on GUID, and the private function Y GUID will depend
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; on the path to the test.
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; DIS: ^0 = module: (path: "{{.*}}", hash: (0, 0, 0, 0, 0))
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; DIS-DAG: = gv: (name: "Z", summaries: (function: (module: ^0, flags: (linkage: linkonce_odr, notEligibleToImport: 0, live: 0, dsoLocal: 0, canAutoHide: 0), insts: 2, calls: ((callee: ^{{.*}}))))) ; guid = 104084381700047393
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; DIS-DAG: = gv: (name: "X", summaries: (function: (module: ^0, flags: (linkage: available_externally, notEligibleToImport: 0, live: 0, dsoLocal: 0, canAutoHide: 0), insts: 2, calls: ((callee: ^{{.*}})), refs: (^{{.*}})))) ; guid = 1881667236089500162
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; DIS-DAG: = gv: (name: "W", summaries: (function: (module: ^0, flags: (linkage: weak_odr, notEligibleToImport: 0, live: 0, dsoLocal: 0, canAutoHide: 0), insts: 2, calls: ((callee: ^{{.*}})), refs: (^{{.*}})))) ; guid = 5790125716599269729
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; DIS-DAG: = gv: (name: "foo") ; guid = 6699318081062747564
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; DIS-DAG: = gv: (name: "func") ; guid = 7289175272376759421
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; DIS-DAG: = gv: (name: "func3") ; guid = 11517462787082255043
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; Check that default value of writeonly attribute is zero for constant variables
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; DIS-DAG: = gv: (name: "globalvar", summaries: (variable: (module: ^0, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0, canAutoHide: 0), varFlags: (readonly: 1, writeonly: 0, constant: 1)))) ; guid = 12887606300320728018
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; DIS-DAG: = gv: (name: "func2") ; guid = 14069196320850861797
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; DIS-DAG: = gv: (name: "llvm.ctpop.i8") ; guid = 15254915475081819833
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; DIS-DAG: = gv: (name: "main", summaries: (function: (module: ^0, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0, canAutoHide: 0), insts: 9, calls: ((callee: ^{{.*}})), refs: (^{{.*}})))) ; guid = 15822663052811949562
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; DIS-DAG: = gv: (name: "bar", summaries: (variable: (module: ^0, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0, canAutoHide: 0), varFlags: (readonly: 1, writeonly: 1, constant: 0), refs: (^{{.*}})))) ; guid = 16434608426314478903
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; Don't try to match the exact GUID. Since it is private, the file path
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; will get hashed, and that will be test dependent.
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; DIS-DAG: = gv: (name: "Y", summaries: (function: (module: ^0, flags: (linkage: private, notEligibleToImport: 0, live: 0, dsoLocal: 1, canAutoHide: 0), insts: 14, calls: ((callee: ^{{.*}}))))) ; guid =
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