commit a7f0d3ce228296d4b1b344162451f05c633e26f4
author Christopher Lamb <christopher.lamb@gmail.com> Sun Apr 22 21:54:13 2007 +0000
committer Christopher Lamb <christopher.lamb@gmail.com> Sun Apr 22 21:54:13 2007 +0000
tree fd9c6eba95a9d0275c609f3f68420a87a22032e9
parent 007ce3b3367de8f961688ba170d1141b278e64aa

Support alignment queries for degenerate (length 1) vectors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36352 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/TargetData.cpp

diff --git a/lib/Target/TargetData.cpp b/lib/Target/TargetData.cpp
index 10ee707..2cbb903 100644
--- a/lib/Target/TargetData.cpp
+++ b/lib/Target/TargetData.cpp
@@ -493,9 +493,15 @@
   case Type::DoubleTyID:
     AlignType = FLOAT_ALIGN;
     break;
-  case Type::VectorTyID:
-    AlignType = VECTOR_ALIGN;
+  case Type::VectorTyID: {
+    const VectorType *VTy = cast<VectorType>(Ty);
+    // Degenerate vectors are assumed to be scalar-ized
+    if (VTy->getNumElements() == 1)
+      return getAlignment(VTy->getElementType(), abi_or_pref);
+    else
+      AlignType = VECTOR_ALIGN;
     break;
+  }
   default:
     assert(0 && "Bad type for getAlignment!!!");
     break;