[BOLT][NFC] Print BAT section size (llvm#76897)

aaupov · web-flow · commit 2bb511e277e5 · 2024-01-11T11:04:04.000-08:00
Test Plan: Updated bolt/test/X86/bolt-address-translation.test
diff --git a/bolt/lib/Rewrite/RewriteInstance.cpp b/bolt/lib/Rewrite/RewriteInstance.cpp
@@ -4112,6 +4112,7 @@ void RewriteInstance::encodeBATSection() {
                                   copyByteArray(BoltInfo), BoltInfo.size(),
                                   /*Alignment=*/1,
                                   /*IsReadOnly=*/true, ELF::SHT_NOTE);
+  outs() << "BOLT-INFO: BAT section size (bytes): " << BoltInfo.size() << '\n';
 }
 
 template <typename ELFShdrTy>
diff --git a/bolt/test/X86/bolt-address-translation.test b/bolt/test/X86/bolt-address-translation.test
@@ -37,6 +37,7 @@
 # CHECK:      BOLT: 3 out of 7 functions were overwritten.
 # CHECK:      BOLT-INFO: Wrote 6 BAT maps
 # CHECK:      BOLT-INFO: Wrote 3 BAT cold-to-hot entries
+# CHECK:      BOLT-INFO: BAT section size (bytes): 1436
 #
 # usqrt mappings (hot part). We match against any key (left side containing
 # the bolted binary offsets) because BOLT may change where it puts instructions

Original file line number	Diff line number	Diff line change
`@@ -4112,6 +4112,7 @@ void RewriteInstance::encodeBATSection() {`
`4112`	`4112`	`copyByteArray(BoltInfo), BoltInfo.size(),`
`4113`	`4113`	`/Alignment=/1,`
`4114`	`4114`	`/IsReadOnly=/true, ELF::SHT_NOTE);`
	`4115`	`+ outs() << "BOLT-INFO: BAT section size (bytes): " << BoltInfo.size() << '\n';`
`4115`	`4116`	`}`
`4116`	`4117`
`4117`	`4118`	`template <typename ELFShdrTy>`
Original file line number	Diff line number	Diff line change
`@@ -37,6 +37,7 @@`
`37`	`37`	`# CHECK: BOLT: 3 out of 7 functions were overwritten.`
`38`	`38`	`# CHECK: BOLT-INFO: Wrote 6 BAT maps`
`39`	`39`	`# CHECK: BOLT-INFO: Wrote 3 BAT cold-to-hot entries`
	`40`	`+# CHECK: BOLT-INFO: BAT section size (bytes): 1436`
`40`	`41`	`#`
`41`	`42`	`# usqrt mappings (hot part). We match against any key (left side containing`
`42`	`43`	`# the bolted binary offsets) because BOLT may change where it puts instructions`