r316353 - CodeGen: Fix invalid bitcast in partial initialization of automatic arrary variable

[Yaxun Liu via cfe-commits]

Author: yaxunl
Date: Mon Oct 23 10:49:26 2017
New Revision: 316353

URL: http://llvm.org/viewvc/llvm-project?rev=316353&view=rev
Log:
CodeGen: Fix invalid bitcast in partial initialization of automatic arrary variable

Differential Revision: https://reviews.llvm.org/D39184

Modified:
    cfe/trunk/lib/CodeGen/CGDecl.cpp
    cfe/trunk/test/CodeGenOpenCL/amdgcn-automatic-variable.cl

Modified: cfe/trunk/lib/CodeGen/CGDecl.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGDecl.cpp?rev=316353&r1=316352&r2=316353&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGDecl.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGDecl.cpp Mon Oct 23 10:49:26 2017
@@ -1266,7 +1266,7 @@ void CodeGenFunction::EmitAutoVarInit(co
     llvm::ConstantInt::get(IntPtrTy,
                            getContext().getTypeSizeInChars(type).getQuantity());
 
-  llvm::Type *BP = Int8PtrTy;
+  llvm::Type *BP = AllocaInt8PtrTy;
   if (Loc.getType() != BP)
     Loc = Builder.CreateBitCast(Loc, BP);
 

Modified: cfe/trunk/test/CodeGenOpenCL/amdgcn-automatic-variable.cl
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenOpenCL/amdgcn-automatic-variable.cl?rev=316353&r1=316352&r2=316353&view=diff
==============================================================================
--- cfe/trunk/test/CodeGenOpenCL/amdgcn-automatic-variable.cl (original)
+++ cfe/trunk/test/CodeGenOpenCL/amdgcn-automatic-variable.cl Mon Oct 23 10:49:26 2017
@@ -58,3 +58,11 @@ void func2(void) {
   const int lvc = 4;
   lv1 = lvc;
 }
+
+// CHECK-LABEL: define void @func3()
+// CHECK: %a = alloca [16 x [1 x float]], align 4, addrspace(5)
+// CHECK: %[[CAST:.+]] = bitcast [16 x [1 x float]] addrspace(5)* %a to i8 addrspace(5)*
+// CHECK: call void @llvm.memset.p5i8.i64(i8 addrspace(5)* %[[CAST]], i8 0, i64 64, i32 4, i1 false)
+void func3(void) {
+  float a[16][1] = {{0.}};
+}