[llvm-size] print a blank line between archieve members when using sysv format

Summary: This patch is related to https://bugs.llvm.org/show_bug.cgi?id=42967 and it fixes llvm-size's sysv format output by adding a blank line between archieve members

Reviewers: jhenderson, Jim, MaskRay

Reviewed By: jhenderson, Jim, MaskRay

Subscribers: MaskRay, Jim, rupprecht, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D71957

llvm/test/tools/llvm-size/archive.test

@@ -8,8 +8,7 @@
 # RUN: llvm-ar rc %t1.a
 
 # RUN: llvm-size -B %t1.a | count 0
-## Sysv output prints a single blank line in this case.
+# RUN: llvm-size -A %t1.a | count 0
-# RUN: llvm-size -A %t1.a | FileCheck %s --implicit-check-not={{.}}
 
 ## Case 2: Single member.
 # RUN: rm -f %t2.a
@@ -48,6 +47,7 @@
 # SYSV-3-NEXT: .bss           4      1
 # SYSV-3-NEXT: Total          7
 # SYSV-3-EMPTY:
+# SYSV-3-EMPTY:
 # SYSV-3-NEXT: archive.test.tmp1   (ex [[ARCHIVE2]]):
 # SYSV-3-NEXT: section     size   addr
 # SYSV-3-NEXT: .text          1      4
@@ -55,6 +55,7 @@
 # SYSV-3-NEXT: .bss           4      1
 # SYSV-3-NEXT: Total          7
 # SYSV-3-EMPTY:
+# SYSV-3-EMPTY:
 # SYSV-3-NEXT: [[FILE2]]  :
 # SYSV-3-NEXT: section     size   addr
 # SYSV-3-NEXT: .text          8      32
@@ -69,6 +70,8 @@
 # SYSV-1-NEXT: .data          2      2
 # SYSV-1-NEXT: .bss           4      1
 # SYSV-1-NEXT: Total          7
+# SYSV-1-EMPTY:
+# SYSV-1-EMPTY:
 
 # SYSV-2-NEXT: archive.test.tmp2   (ex [[ARCHIVE]]):
 # SYSV-2-NEXT: section     size   addr

llvm/test/tools/llvm-size/multiple-inputs.test

@@ -17,6 +17,7 @@
 # SYSV-NEXT: .bss           4      1
 # SYSV-NEXT: Total          7
 # SYSV-EMPTY:
+# SYSV-EMPTY:
 # SYSV-NEXT: [[FILE2]]  :
 # SYSV-NEXT: section     size   addr
 # SYSV-NEXT: .text          8     32

llvm/test/tools/llvm-size/radix.test

@@ -49,6 +49,7 @@
 # OCT-SYSV-NEXT: .bss          04     01
 # OCT-SYSV-NEXT: Total         07
 # OCT-SYSV-EMPTY:
+# OCT-SYSV-EMPTY:
 # OCT-SYSV-NEXT: [[FILE2]]  :
 # OCT-SYSV-NEXT: section     size   addr
 # OCT-SYSV-NEXT: .blob        010    040
@@ -69,6 +70,7 @@
 # DEC-SYSV-NEXT: .bss           4      1
 # DEC-SYSV-NEXT: Total          7
 # DEC-SYSV-EMPTY:
+# DEC-SYSV-EMPTY:
 # DEC-SYSV-NEXT: [[FILE2]]  :
 # DEC-SYSV-NEXT: section     size   addr
 # DEC-SYSV-NEXT: .blob          8     32
@@ -89,6 +91,7 @@
 # HEX-SYSV-NEXT: .bss         0x4    0x1
 # HEX-SYSV-NEXT: Total        0x7
 # HEX-SYSV-EMPTY:
+# HEX-SYSV-EMPTY:
 # HEX-SYSV-NEXT: [[FILE2]]  :
 # HEX-SYSV-NEXT: section     size   addr
 # HEX-SYSV-NEXT: .blob        0x8   0x20

llvm/tools/llvm-size/llvm-size.cpp

@@ -446,7 +446,8 @@ static void printObjectSectionSizes(ObjectFile *Obj) {
     fmt << "%-" << max_name_len << "s "
         << "%#" << max_size_len << radix_fmt << "\n";
     outs() << format(fmt.str().c_str(), static_cast<const char *>("Total"),
-                     total);
+                     total)
+           << "\n\n";
   } else {
     // The Berkeley format does not display individual section sizes. It
     // displays the cumulative size for each section type.
@@ -839,9 +840,6 @@ static void printFileSectionSizes(StringRef file) {
   } else {
     error("unsupported file type", file);
   }
-  // System V adds an extra newline at the end of each file.
-  if (OutputFormat == sysv)
-    outs() << "\n";
 }
 
 static void printBerkeleyTotals() {