[llvm] r285365 - [IR] Reintroduce getGEPReturnType(), it will be used in a later patch.

[Davide Italiano via llvm-commits]

Author: davide
Date: Thu Oct 27 18:38:51 2016
New Revision: 285365

URL: http://llvm.org/viewvc/llvm-project?rev=285365&view=rev
Log:
[IR] Reintroduce getGEPReturnType(), it will be used in a later patch.

Added:
    llvm/trunk/test/Transforms/InstCombine/gep-vector.ll
Modified:
    llvm/trunk/include/llvm/IR/Instructions.h

Modified: llvm/trunk/include/llvm/IR/Instructions.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/IR/Instructions.h?rev=285365&r1=285364&r2=285365&view=diff
==============================================================================
--- llvm/trunk/include/llvm/IR/Instructions.h (original)
+++ llvm/trunk/include/llvm/IR/Instructions.h Thu Oct 27 18:38:51 2016
@@ -959,6 +959,11 @@ public:
 
   /// Returns the pointer type returned by the GEP
   /// instruction, which may be a vector of pointers.
+  static Type *getGEPReturnType(Value *Ptr, ArrayRef<Value *> IdxList) {
+    return getGEPReturnType(
+      cast<PointerType>(Ptr->getType()->getScalarType())->getElementType(),
+      Ptr, IdxList);
+  }
   static Type *getGEPReturnType(Type *ElTy, Value *Ptr,
                                 ArrayRef<Value *> IdxList) {
     Type *PtrTy = PointerType::get(checkGEPType(getIndexedType(ElTy, IdxList)),

Added: llvm/trunk/test/Transforms/InstCombine/gep-vector.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/gep-vector.ll?rev=285365&view=auto
==============================================================================
--- llvm/trunk/test/Transforms/InstCombine/gep-vector.ll (added)
+++ llvm/trunk/test/Transforms/InstCombine/gep-vector.ll Thu Oct 27 18:38:51 2016
@@ -0,0 +1,15 @@
+; RUN: opt -instcombine %s -S | FileCheck %s
+
+; CHECK-LABEL: patatino
+; CHECK-NEXT: ret <8 x i64*> undef
+define <8 x i64*> @patatino() {
+  %el = getelementptr i64, <8 x i64*> undef, <8 x i64> undef
+  ret <8 x i64*> %el
+}
+
+; CHECK-LABEL: patatino2
+; CHECK-NEXT: ret <8 x i64*> undef
+define <8 x i64*> @patatino2() {
+  %el = getelementptr inbounds i64, i64* undef, <8 x i64> undef
+  ret <8 x i64*> %el
+}