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ThinLTO: Make aliases explicit in the summary

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To be able to work accurately on the reference graph when taking
decision about internalizing, promoting, renaming, etc. We need
to have the alias information explicit.

Differential Revision: http://reviews.llvm.org/D18836

From: Mehdi Amini <mehdi.amini@apple.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@266517 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Mehdi Amini
2016-04-16 06:56:44 +00:00
parent b677706043
commit eb79e6e85d
11 changed files with 276 additions and 46 deletions
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7
test/Bitcode/thinlto-function-summary.ll
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@@ -1,4 +1,4 @@
; RUN: opt -module-summary < %s | llvm-bcanalyzer -dump | FileCheck %s -check-prefix=BC
; RUN: opt -name-anon-functions -module-summary < %s | llvm-bcanalyzer -dump | FileCheck %s -check-prefix=BC
; Check for summary block/records.
; Check the value ids in the summary entries against the
@@ -7,13 +7,16 @@
; BC: <GLOBALVAL_SUMMARY_BLOCK
; BC-NEXT: <PERMODULE {{.*}} op0=1 op1=0
; BC-NEXT: <PERMODULE {{.*}} op0=2 op1=0
; BC-NEXT: <PERMODULE {{.*}} op0=3 op1=3
; BC-NEXT: <ALIAS {{.*}} op0=4 op1=0 op2=3
; BC-NEXT: </GLOBALVAL_SUMMARY_BLOCK
; BC-NEXT: <VALUE_SYMTAB
; BC-NEXT: <FNENTRY {{.*}} op0=3 {{.*}}> record string = 'anon.
; BC-NEXT: <FNENTRY {{.*}} op0=1 {{.*}}> record string = 'foo'
; BC-NEXT: <FNENTRY {{.*}} op0=2 {{.*}}> record string = 'bar'
; BC-NEXT: <FNENTRY {{.*}} op0=4 {{.*}}> record string = 'f'
; RUN: opt -module-summary < %s | llvm-dis | FileCheck %s
; RUN: opt -name-anon-functions -module-summary < %s | llvm-dis | FileCheck %s
; Check that this round-trips correctly.
; ModuleID = '<stdin>'