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[ThinLTO] Fix dot dumper for regular LTO modules

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Regular LTO module identifier is (unsigned)-1. This patch emits correct
module identifier while printing edges with source summary in regular
LTO module.

Differential revision: https://reviews.llvm.org/D53583

llvm-svn: 345118
This commit is contained in:
Eugene Leviant 2018-10-24 07:48:32 +00:00
parent 10d1cff193
commit f83d6f22a7
2 changed files with 29 additions and 1 deletions
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2
lib/IR/ModuleSummaryIndex.cpp
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@ -241,7 +241,7 @@ void ModuleSummaryIndex::exportToDot(raw_ostream& OS) const {
"_" + std::to_string(Id);
};
auto DrawEdge = [&](const char *Pfx, int SrcMod, GlobalValue::GUID SrcId,
auto DrawEdge = [&](const char *Pfx, uint64_t SrcMod, GlobalValue::GUID SrcId,
int DstMod, GlobalValue::GUID DstId, int TypeOrHotness) {
// 0 corresponds to alias edge, 1 to ref edge, 2 to call with unknown
// hotness, ...

28
test/ThinLTO/X86/dot-dumper-full-lto.ll Normal file
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@ -0,0 +1,28 @@
; RUN: opt -module-summary %s -o %t1.bc
; RUN: opt -module-summary %p/Inputs/dot-dumper.ll -o %t2.bc
; RUN: llvm-lto2 run -save-temps %t1.bc %t2.bc -o %t3 \
; RUN: -r=%t1.bc,main,px \
; RUN: -r=%t1.bc,A, \
; RUN: -r=%t2.bc,foo,p \
; RUN: -r=%t2.bc,bar,p \
; RUN: -r=%t2.bc,A,p \
; RUN: -r=%t2.bc,B,p
; RUN: cat %t3.index.dot | FileCheck %s
; CHECK: subgraph cluster_4294967295
; CHECK: M4294967295_[[ID:[0-9]+]]{{.*}}main
; CHECK: // Cross-module edges:
; CHECK: M4294967295_[[ID]] -> M0_{{[0-9]+}}{{.*}}// ref
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
@A = external global i32
define i32 @main() {
%v = load i32, i32* @A
ret i32 %v
}
!0 = !{i32 1, !"ThinLTO", i32 0}
!llvm.module.flags = !{ !0 }