[llvm-commits] CVS: llvm/lib/Target/TargetData.cpp
Chris Lattner
lattner at cs.uiuc.edu
Wed May 21 13:09:01 PDT 2003
Changes in directory llvm/lib/Target:
TargetData.cpp updated: 1.31 -> 1.32
---
Log message:
* Fix divide by zero error with empty structs
* Empty structs should have ALIGNMENT 1, not SIZE 1.
---
Diffs of the changes:
Index: llvm/lib/Target/TargetData.cpp
diff -u llvm/lib/Target/TargetData.cpp:1.31 llvm/lib/Target/TargetData.cpp:1.32
--- llvm/lib/Target/TargetData.cpp:1.31 Sat Apr 26 15:10:58 2003
+++ llvm/lib/Target/TargetData.cpp Wed May 21 13:08:44 2003
@@ -56,15 +56,13 @@
StructSize += TySize; // Consume space for this data item
}
+ // Empty structures have alignment of 1 byte.
+ if (StructAlignment == 0) StructAlignment = 1;
+
// Add padding to the end of the struct so that it could be put in an array
// and all array elements would be aligned correctly.
if (StructSize % StructAlignment != 0)
StructSize = (StructSize/StructAlignment + 1) * StructAlignment;
-
- if (StructSize == 0) {
- StructSize = 1; // Empty struct is 1 byte
- StructAlignment = 1;
- }
}
Annotation *TargetData::TypeAnFactory(AnnotationID AID, const Annotable *T,
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