From: Duncan Sands <baldrick@free.fr>
Date: Tue, 13 Nov 2012 13:01:00 +0000 (+0000)
Subject: Fix the instcombine GEP index widening transform to work correctly for vector
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=db698d8a8a9507b2946eaa3af7fbe05f53f17412;p=platform%2Fupstream%2Fllvm.git

Fix the instcombine GEP index widening transform to work correctly for vector
getelementptrs.

llvm-svn: 167829
---

diff --git a/llvm/include/llvm/Support/GetElementPtrTypeIterator.h b/llvm/include/llvm/Support/GetElementPtrTypeIterator.h
index ef92c95..93dc41f 100644
--- a/llvm/include/llvm/Support/GetElementPtrTypeIterator.h
+++ b/llvm/include/llvm/Support/GetElementPtrTypeIterator.h
@@ -83,15 +83,15 @@ namespace llvm {
   typedef generic_gep_type_iterator<> gep_type_iterator;
 
   inline gep_type_iterator gep_type_begin(const User *GEP) {
-    return gep_type_iterator::begin(GEP->getOperand(0)->getType(),
-                                    GEP->op_begin()+1);
+    return gep_type_iterator::begin
+      (GEP->getOperand(0)->getType()->getScalarType(), GEP->op_begin()+1);
   }
   inline gep_type_iterator gep_type_end(const User *GEP) {
     return gep_type_iterator::end(GEP->op_end());
   }
   inline gep_type_iterator gep_type_begin(const User &GEP) {
-    return gep_type_iterator::begin(GEP.getOperand(0)->getType(),
-                                    GEP.op_begin()+1);
+    return gep_type_iterator::begin
+      (GEP.getOperand(0)->getType()->getScalarType(), GEP.op_begin()+1);
   }
   inline gep_type_iterator gep_type_end(const User &GEP) {
     return gep_type_iterator::end(GEP.op_end());
diff --git a/llvm/test/Transforms/InstCombine/vector_gep1.ll b/llvm/test/Transforms/InstCombine/vector_gep1.ll
index 6523622..f4c75c8 100644
--- a/llvm/test/Transforms/InstCombine/vector_gep1.ll
+++ b/llvm/test/Transforms/InstCombine/vector_gep1.ll
@@ -35,3 +35,8 @@ define <2 x i1> @test5(<2 x i8*> %a) {
   %B = icmp ult <2 x i8*> %g, zeroinitializer
   ret <2 x i1> %B
 }
+
+define <2 x i32*> @test7(<2 x {i32, i32}*> %a) {
+  %w = getelementptr <2 x {i32, i32}*> %a, <2 x i32> <i32 5, i32 9>, <2 x i32> zeroinitializer
+  ret <2 x i32*> %w
+}