[llvm-commits] [llvm] r103711 - /llvm/trunk/lib/MC/MCAssembler.cpp

Daniel Dunbar daniel at zuster.org
Thu May 13 01:43:37 PDT 2010


Author: ddunbar
Date: Thu May 13 03:43:37 2010
New Revision: 103711

URL: http://llvm.org/viewvc/llvm-project?rev=103711&view=rev
Log:
MC: Move ordinal calculation, to make sure fragments synthesized for layout get assigned ordinals properly.

Modified:
    llvm/trunk/lib/MC/MCAssembler.cpp

Modified: llvm/trunk/lib/MC/MCAssembler.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/MC/MCAssembler.cpp?rev=103711&r1=103710&r2=103711&view=diff
==============================================================================
--- llvm/trunk/lib/MC/MCAssembler.cpp (original)
+++ llvm/trunk/lib/MC/MCAssembler.cpp Thu May 13 03:43:37 2010
@@ -598,27 +598,6 @@
       llvm::errs() << "assembler backend - pre-layout\n--\n";
       dump(); });
 
-  // Assign section and fragment ordinals, all subsequent backend code is
-  // responsible for updating these in place.
-  unsigned SectionIndex = 0;
-  unsigned FragmentIndex = 0;
-  for (MCAssembler::iterator it = begin(), ie = end(); it != ie; ++it) {
-    // Create dummy fragments to eliminate any empty sections, this simplifies
-    // layout.
-    if (it->getFragmentList().empty()) {
-      unsigned ValueSize = 1;
-      if (getBackend().isVirtualSection(it->getSection()))
-        ValueSize = 1;
-      new MCFillFragment(0, 1, 0, it);
-    }
-
-    it->setOrdinal(SectionIndex++);
-
-    for (MCSectionData::iterator it2 = it->begin(),
-           ie2 = it->end(); it2 != ie2; ++it2)
-      it2->setOrdinal(FragmentIndex++);
-  }
-
   // Create the layout object.
   MCAsmLayout Layout(*this);
 
@@ -646,6 +625,27 @@
     AF->setOnlyAlignAddress(true);
   }
 
+  // Assign section and fragment ordinals, all subsequent backend code is
+  // responsible for updating these in place.
+  unsigned SectionIndex = 0;
+  unsigned FragmentIndex = 0;
+  for (MCAssembler::iterator it = begin(), ie = end(); it != ie; ++it) {
+    // Create dummy fragments to eliminate any empty sections, this simplifies
+    // layout.
+    if (it->getFragmentList().empty()) {
+      unsigned ValueSize = 1;
+      if (getBackend().isVirtualSection(it->getSection()))
+        ValueSize = 1;
+      new MCFillFragment(0, 1, 0, it);
+    }
+
+    it->setOrdinal(SectionIndex++);
+
+    for (MCSectionData::iterator it2 = it->begin(),
+           ie2 = it->end(); it2 != ie2; ++it2)
+      it2->setOrdinal(FragmentIndex++);
+  }
+
   // Layout until everything fits.
   while (LayoutOnce(Layout))
     continue;





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