From f7e52fbdb5a7af8ea0808e98458b497125a5eca1 Mon Sep 17 00:00:00 2001
From: Reid Kleckner <rnk@google.com>
Date: Thu, 4 Jul 2019 00:03:30 +0000
Subject: Revert [ThinLTO] Optimize writeonly globals out

This reverts r365040 (git commit 5cacb914758c7f436b47c8362100f10cef14bbc4)

Speculatively reverting, since this appears to have broken check-lld on
Linux. Partial analysis in https://crbug.com/981168.

llvm-svn: 365097
---
 llvm/test/Bitcode/thinlto-function-summary-refgraph.ll | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

(limited to 'llvm/test/Bitcode/thinlto-function-summary-refgraph.ll')

diff --git a/llvm/test/Bitcode/thinlto-function-summary-refgraph.ll b/llvm/test/Bitcode/thinlto-function-summary-refgraph.ll
index 5a33daa..8211df9 100644
--- a/llvm/test/Bitcode/thinlto-function-summary-refgraph.ll
+++ b/llvm/test/Bitcode/thinlto-function-summary-refgraph.ll
@@ -41,27 +41,27 @@
 ; CHECK:       <GLOBALVAL_SUMMARY_BLOCK
 ; Function main contains call to func, as well as address reference to func:
 ; op0=main op4=func op5=func
-; CHECK-DAG:    <PERMODULE {{.*}} op0=11 op1=0 {{.*}} op4=1 op5=0 op6=0 op7=2 op8=2/>
+; CHECK-DAG:    <PERMODULE {{.*}} op0=11 op1=0 {{.*}} op4=1 op5=0 op6=2 op7=2/>
 ; Function W contains a call to func3 as well as a reference to globalvar:
 ; op0=W op4=globalvar op5=func3
-; CHECK-DAG:    <PERMODULE {{.*}} op0=6 op1=5 {{.*}} op4=1 op5=0 op6=0 op7=1 op8=5/>
+; CHECK-DAG:    <PERMODULE {{.*}} op0=6 op1=5 {{.*}} op4=1 op5=0 op6=1 op7=5/>
 ; Function X contains call to foo, as well as address reference to foo
 ; which is in the same instruction as the call:
 ; op0=X op4=foo op5=foo
-; CHECK-DAG:    <PERMODULE {{.*}} op0=7 op1=1 {{.*}} op4=1 op5=0 op6=0 op7=4 op8=4/>
+; CHECK-DAG:    <PERMODULE {{.*}} op0=7 op1=1 {{.*}} op4=1 op5=0 op6=4 op7=4/>
 ; Function Y contains call to func2, and ensures we don't incorrectly add
 ; a reference to it when reached while earlier analyzing the phi using its
 ; return value:
 ; op0=Y op4=func2
-; CHECK-DAG:    <PERMODULE {{.*}} op0=8 op1=72 {{.*}} op4=0 op5=0 op6=0 op7=3/>
+; CHECK-DAG:    <PERMODULE {{.*}} op0=8 op1=72 {{.*}} op4=0 op5=0 op6=3/>
 ; Function Z contains call to func2, and ensures we don't incorrectly add
 ; a reference to it when reached while analyzing subsequent use of its return
 ; value:
 ; op0=Z op4=func2
-; CHECK-DAG:    <PERMODULE {{.*}} op0=9 op1=3 {{.*}} op4=0 op5=0 op6=0 op7=3/>
+; CHECK-DAG:    <PERMODULE {{.*}} op0=9 op1=3 {{.*}} op4=0 op5=0 op6=3/>
 ; Variable bar initialization contains address reference to func:
 ; op0=bar op2=func
-; CHECK-DAG:    <PERMODULE_GLOBALVAR_INIT_REFS {{.*}} op0=0 op1=0 op2=3 op3=2/>
+; CHECK-DAG:    <PERMODULE_GLOBALVAR_INIT_REFS {{.*}} op0=0 op1=0 op2=1 op3=2/>
 ; CHECK:  </GLOBALVAL_SUMMARY_BLOCK>
 
 ; CHECK: <STRTAB_BLOCK
@@ -154,11 +154,11 @@ entry:
 ; DIS-DAG: = gv: (name: "foo") ; guid = 6699318081062747564
 ; DIS-DAG: = gv: (name: "func") ; guid = 7289175272376759421
 ; DIS-DAG: = gv: (name: "func3") ; guid = 11517462787082255043
-; DIS-DAG: = gv: (name: "globalvar", summaries: (variable: (module: ^0, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0, canAutoHide: 0), varFlags: (readonly: 1, writeonly: 1)))) ; guid = 12887606300320728018
+; DIS-DAG: = gv: (name: "globalvar", summaries: (variable: (module: ^0, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0, canAutoHide: 0), varFlags: (readonly: 1)))) ; guid = 12887606300320728018
 ; DIS-DAG: = gv: (name: "func2") ; guid = 14069196320850861797
 ; DIS-DAG: = gv: (name: "llvm.ctpop.i8") ; guid = 15254915475081819833
 ; 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
-; 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),  refs: (^{{.*}})))) ; guid = 16434608426314478903
+; DIS-DAG: = gv: (name: "bar", summaries: (variable: (module: ^0, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0, canAutoHide: 0), varFlags: (readonly: 1),  refs: (^{{.*}})))) ; guid = 16434608426314478903
 ; Don't try to match the exact GUID. Since it is private, the file path
 ; will get hashed, and that will be test dependent.
 ; 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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