IRgen: Add CreateIRTemp, which creates a temporary alloca but with type converted "not-for-memory". Dunno a better name.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@96374 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 11 insertions, 1 deletions

diff --git a/lib/CodeGen/CGExpr.cpp b/lib/CodeGen/CGExpr.cpp
index 01820c7aee..030d2c9c9f 100644
--- a/lib/CodeGen/CGExpr.cpp
+++ b/lib/CodeGen/CGExpr.cpp
@@ -36,7 +36,17 @@ llvm::AllocaInst *CodeGenFunction::CreateTempAlloca(const llvm::Type *Ty,
   return new llvm::AllocaInst(Ty, 0, Name, AllocaInsertPt);
 }
 
-llvm::Value *CodeGenFunction::CreateMemTemp(QualType Ty, const llvm::Twine &Name) {
+llvm::Value *CodeGenFunction::CreateIRTemp(QualType Ty,
+                                           const llvm::Twine &Name) {
+  llvm::AllocaInst *Alloc = CreateTempAlloca(ConvertType(Ty), Name);
+  // FIXME: Should we prefer the preferred type alignment here?
+  CharUnits Align = getContext().getTypeAlignInChars(Ty);
+  Alloc->setAlignment(Align.getQuantity());
+  return Alloc;
+}
+
+llvm::Value *CodeGenFunction::CreateMemTemp(QualType Ty,
+                                            const llvm::Twine &Name) {
   llvm::AllocaInst *Alloc = CreateTempAlloca(ConvertTypeForMem(Ty), Name);
   // FIXME: Should we prefer the preferred type alignment here?
   CharUnits Align = getContext().getTypeAlignInChars(Ty);