commit b8973bd8f50d7321635e1e07b81a880a0828d185
author Evan Cheng <evan.cheng@apple.com> Tue Jan 31 22:23:14 2006 +0000
committer Evan Cheng <evan.cheng@apple.com> Tue Jan 31 22:23:14 2006 +0000
tree 452842927ad6a1c0969372cef9b984007ac68328
parent 259e97cc725011a3c138563d421a4654b082a64c

Allow the specification of explicit alignments for constant pool entries.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25855 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/AsmPrinter.cpp

diff --git a/lib/CodeGen/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter.cpp
index ab0465d..df00f47 100644
--- a/lib/CodeGen/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter.cpp
@@ -103,7 +103,7 @@
 /// the code generator.
 ///
 void AsmPrinter::EmitConstantPool(MachineConstantPool *MCP) {
-  const std::vector<Constant*> &CP = MCP->getConstants();
+  const std::vector<std::pair<Constant*, unsigned> > &CP = MCP->getConstants();
   if (CP.empty()) return;
   const TargetData &TD = TM.getTargetData();
   
@@ -111,13 +111,17 @@
   for (unsigned i = 0, e = CP.size(); i != e; ++i) {
     // FIXME: force doubles to be naturally aligned.  We should handle this
     // more correctly in the future.
-    unsigned Alignment = TD.getTypeAlignmentShift(CP[i]->getType());
-    if (CP[i]->getType() == Type::DoubleTy && Alignment < 3) Alignment = 3;
+    unsigned Alignment = CP[i].second;
+    if (Alignment == 0) {
+      Alignment = TD.getTypeAlignmentShift(CP[i].first->getType());
+      if (CP[i].first->getType() == Type::DoubleTy && Alignment < 3)
+        Alignment = 3;
+    }
     
     EmitAlignment(Alignment);
     O << PrivateGlobalPrefix << "CPI" << getFunctionNumber() << '_' << i
-      << ":\t\t\t\t\t" << CommentString << *CP[i] << '\n';
-    EmitGlobalConstant(CP[i]);
+      << ":\t\t\t\t\t" << CommentString << *CP[i].first << '\n';
+    EmitGlobalConstant(CP[i].first);
   }
 }