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a01adefb51
Summary: Don't assign values to undefined references, simply don't emit those reference edges as they are not useful (we were already not emitting call edges to undefined refs). Also, streamline the later lookup of value ids when writing the summaries, by combining the check for value id existence with the access of that value id. Reviewers: pcc Subscribers: Prazek, llvm-commits, inglorion Differential Revision: https://reviews.llvm.org/D33634 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304323 91177308-0d34-0410-b5e6-96231b3b80d8
55 lines
2.0 KiB
LLVM
55 lines
2.0 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 {{.*}} op3=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 {{.*}} op5=[[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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