Implement a getTypeSizeInBits method. This helps in transforms that want

to ensure the bit size of a type is identical before proceeding.

llvm-svn: 33413

1 files changed, 10 insertions, 0 deletions

diff --git a/llvm/lib/Target/TargetData.cpp b/llvm/lib/Target/TargetData.cpp
index 3cfdd40ddd4..f50e6c3bd39 100644
--- a/llvm/lib/Target/TargetData.cpp
+++ b/llvm/lib/Target/TargetData.cpp
@@ -426,6 +426,16 @@ uint64_t TargetData::getTypeSize(const Type *Ty) const {
   return Size;
 }
 
+uint64_t TargetData::getTypeSizeInBits(const Type *Ty) const {
+  if (Ty->isInteger())
+    return cast<IntegerType>(Ty)->getBitWidth();
+
+  uint64_t Size;
+  unsigned char Align;
+  getTypeInfoABI(Ty, this, Size, Align);
+  return Size * 8;
+}
+
 unsigned char TargetData::getTypeAlignmentABI(const Type *Ty) const {
   uint64_t Size;
   unsigned char Align;