From a3f332bdc3e8fd1ac78dd3dc868d871e9086c5fd Mon Sep 17 00:00:00 2001
From: Jim Laskey <jlaskey@mac.com>
Date: Sat, 25 Feb 2006 12:27:03 +0000
Subject: [PATCH] Format large struct constants for readability.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26379 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/VMCore/AsmWriter.cpp | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/lib/VMCore/AsmWriter.cpp b/lib/VMCore/AsmWriter.cpp
index ec70454e0bb..80085d015d8 100644
--- a/lib/VMCore/AsmWriter.cpp
+++ b/lib/VMCore/AsmWriter.cpp
@@ -419,6 +419,7 @@ static void WriteConstantInt(std::ostream &Out, const Constant *CV,
                              bool PrintName,
                              std::map<const Type *, std::string> &TypeTable,
                              SlotMachine *Machine) {
+  static std::string Indent = "\n";
   if (const ConstantBool *CB = dyn_cast<ConstantBool>(CV)) {
     Out << (CB == ConstantBool::True ? "true" : "false");
   } else if (const ConstantSInt *CI = dyn_cast<ConstantSInt>(CV)) {
@@ -482,22 +483,30 @@ static void WriteConstantInt(std::ostream &Out, const Constant *CV,
     }
   } else if (const ConstantStruct *CS = dyn_cast<ConstantStruct>(CV)) {
     Out << '{';
-    if (CS->getNumOperands()) {
-      Out << ' ';
+    unsigned N = CS->getNumOperands();
+    if (N) {
+      if (N > 2) {
+        Indent += "    ";
+        Out << Indent;
+      } else {
+        Out << ' ';
+      }
       printTypeInt(Out, CS->getOperand(0)->getType(), TypeTable);
 
       WriteAsOperandInternal(Out, CS->getOperand(0),
                              PrintName, TypeTable, Machine);
 
-      for (unsigned i = 1; i < CS->getNumOperands(); i++) {
+      for (unsigned i = 1; i < N; i++) {
         Out << ", ";
+        if (N > 2) Out << Indent;
         printTypeInt(Out, CS->getOperand(i)->getType(), TypeTable);
 
         WriteAsOperandInternal(Out, CS->getOperand(i),
                                PrintName, TypeTable, Machine);
       }
+      if (N > 2) Indent.resize(Indent.size() - 4);
     }
-
+ 
     Out << " }";
   } else if (const ConstantPacked *CP = dyn_cast<ConstantPacked>(CV)) {
       const Type *ETy = CP->getType()->getElementType();
-- 
2.34.1