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81929b6bb0
Adds function attributes to index: ReadNone, ReadOnly, NoRecurse, NoAlias. This attributes will be used for future ThinLTO optimizations that will propagate function attributes across modules. llvm-svn: 310061
55 lines
2.1 KiB
LLVM
55 lines
2.1 KiB
LLVM
; Test to check the callgraph 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: opt -module-summary %p/Inputs/thinlto-function-summary-callgraph.ll -o %t2.o
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; RUN: llvm-lto -thinlto -o %t3 %t.o %t2.o
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; RUN: llvm-bcanalyzer -dump %t3.thinlto.bc | FileCheck %s --check-prefix=COMBINED
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; Check parsing for old summary versions generated from this file.
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; RUN: llvm-lto -thinlto-index-stats %p/Inputs/thinlto-function-summary-callgraph.1.bc | FileCheck %s --check-prefix=OLD
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; RUN: llvm-lto -thinlto-index-stats %p/Inputs/thinlto-function-summary-callgraph-combined.1.bc | FileCheck %s --check-prefix=OLD-COMBINED
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; CHECK: <SOURCE_FILENAME
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; CHECK-NEXT: <GLOBALVAR
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; CHECK-NEXT: <FUNCTION
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; "func"
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; CHECK-NEXT: <FUNCTION op0=17 op1=4
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; CHECK: <GLOBALVAL_SUMMARY_BLOCK
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; CHECK-NEXT: <VERSION
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; See if the call to func is registered.
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; CHECK-NEXT: <PERMODULE {{.*}} op4=1
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; CHECK-NEXT: </GLOBALVAL_SUMMARY_BLOCK>
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; CHECK: <STRTAB_BLOCK
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; CHECK-NEXT: blob data = 'undefinedglobmainfunc{{.*}}'
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; COMBINED: <GLOBALVAL_SUMMARY_BLOCK
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; COMBINED-NEXT: <VERSION
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; Only 2 VALUE_GUID since reference to undefinedglob should not be included in
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; combined index.
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; COMBINED-NEXT: <VALUE_GUID op0=[[FUNCID:[0-9]+]] op1=7289175272376759421/>
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; COMBINED-NEXT: <VALUE_GUID
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; COMBINED-NEXT: <COMBINED
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; See if the call to func is registered.
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; COMBINED-NEXT: <COMBINED {{.*}} op6=[[FUNCID]]/>
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; COMBINED-NEXT: </GLOBALVAL_SUMMARY_BLOCK>
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; ModuleID = 'thinlto-function-summary-callgraph.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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; Function Attrs: nounwind uwtable
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define i32 @main() #0 {
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entry:
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call void (...) @func()
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%u = load i32, i32* @undefinedglob
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ret i32 %u
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}
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declare void @func(...) #1
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@undefinedglob = external global i32
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; OLD: Index {{.*}} contains 1 nodes (1 functions, 0 alias, 0 globals) and 1 edges (0 refs and 1 calls)
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; OLD-COMBINED: Index {{.*}} contains 2 nodes (2 functions, 0 alias, 0 globals) and 1 edges (0 refs and 1 calls)
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