Hi,
This patch adds support for generating the "kernel_arg_base_type"
metadata node found in the SPIR specification. It essentially behaves
the same as "kernel_arg_type" but prints underlying type names, e.g.,
without typedefs. More information about it can be found here:
http://www.khronos.org/registry/spir/specs/spir_spec-1.2.pdf.
Thanks,
Fraser
--
Fraser Cormack
Compiler Developer
Codeplay Software Ltd
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Index: lib/CodeGen/CodeGenFunction.cpp
===================================================================
--- lib/CodeGen/CodeGenFunction.cpp (revision 214082)
+++ lib/CodeGen/CodeGenFunction.cpp (working copy)
@@ -358,6 +358,11 @@
SmallVector<llvm::Value*, 8> argTypeNames;
argTypeNames.push_back(llvm::MDString::get(Context, "kernel_arg_type"));
+ // MDNode for the kernel argument base type names.
+ SmallVector<llvm::Value*, 8> argBaseTypeNames;
+ argBaseTypeNames.push_back(
+ llvm::MDString::get(Context, "kernel_arg_base_type"));
+
// MDNode for the kernel argument type qualifiers.
SmallVector<llvm::Value*, 8> argTypeQuals;
argTypeQuals.push_back(llvm::MDString::get(Context, "kernel_arg_type_qual"));
@@ -389,6 +394,18 @@
argTypeNames.push_back(llvm::MDString::get(Context, typeName));
+ std::string baseTypeName =
+ pointeeTy.getUnqualifiedType().getCanonicalType().getAsString(
+ Policy) +
+ "*";
+
+ // Turn "unsigned type" to "utype"
+ pos = baseTypeName.find("unsigned");
+ if (pos != std::string::npos)
+ baseTypeName.erase(pos+1, 8);
+
+ argBaseTypeNames.push_back(llvm::MDString::get(Context, baseTypeName));
+
// Get argument type qualifiers:
if (ty.isRestrictQualified())
typeQuals = "restrict";
@@ -415,6 +432,16 @@
argTypeNames.push_back(llvm::MDString::get(Context, typeName));
+ std::string baseTypeName =
+ ty.getUnqualifiedType().getCanonicalType().getAsString(Policy);
+
+ // Turn "unsigned type" to "utype"
+ pos = baseTypeName.find("unsigned");
+ if (pos != std::string::npos)
+ baseTypeName.erase(pos+1, 8);
+
+ argBaseTypeNames.push_back(llvm::MDString::get(Context, baseTypeName));
+
// Get argument type qualifiers:
if (ty.isConstQualified())
typeQuals = "const";
@@ -442,6 +469,7 @@
kernelMDArgs.push_back(llvm::MDNode::get(Context, addressQuals));
kernelMDArgs.push_back(llvm::MDNode::get(Context, accessQuals));
kernelMDArgs.push_back(llvm::MDNode::get(Context, argTypeNames));
+ kernelMDArgs.push_back(llvm::MDNode::get(Context, argBaseTypeNames));
kernelMDArgs.push_back(llvm::MDNode::get(Context, argTypeQuals));
kernelMDArgs.push_back(llvm::MDNode::get(Context, argNames));
}
Index: test/CodeGenOpenCL/kernel-arg-info.cl
===================================================================
--- test/CodeGenOpenCL/kernel-arg-info.cl (revision 214082)
+++ test/CodeGenOpenCL/kernel-arg-info.cl (working copy)
@@ -8,6 +8,7 @@
// CHECK: metadata !{metadata !"kernel_arg_addr_space", i32 1, i32 0, i32 0, i32 2}
// CHECK: metadata !{metadata !"kernel_arg_access_qual", metadata !"none", metadata !"none", metadata !"none", metadata !"none"}
// CHECK: metadata !{metadata !"kernel_arg_type", metadata !"int*", metadata !"int", metadata !"int", metadata !"float*"}
+// CHECK: metadata !{metadata !"kernel_arg_base_type", metadata !"int*", metadata !"int", metadata !"int", metadata !"float*"}
// CHECK: metadata !{metadata !"kernel_arg_type_qual", metadata !"restrict", metadata !"const", metadata !"volatile", metadata !"restrict const"}
// CHECK: metadata !{metadata !"kernel_arg_name", metadata !"X", metadata !"Y", metadata !"anotherArg", metadata !"Z"}
@@ -16,6 +17,7 @@
// CHECK: metadata !{metadata !"kernel_arg_addr_space", i32 1, i32 1, i32 1}
// CHECK: metadata !{metadata !"kernel_arg_access_qual", metadata !"read_only", metadata !"read_only", metadata !"write_only"}
// CHECK: metadata !{metadata !"kernel_arg_type", metadata !"image1d_t", metadata !"image2d_t", metadata !"image2d_array_t"}
+// CHECK: metadata !{metadata !"kernel_arg_base_type", metadata !"image1d_t", metadata !"image2d_t", metadata !"image2d_array_t"}
// CHECK: metadata !{metadata !"kernel_arg_type_qual", metadata !"", metadata !"", metadata !""}
// CHECK: metadata !{metadata !"kernel_arg_name", metadata !"img1", metadata !"img2", metadata !"img3"}
@@ -24,5 +26,16 @@
// CHECK: metadata !{metadata !"kernel_arg_addr_space", i32 1}
// CHECK: metadata !{metadata !"kernel_arg_access_qual", metadata !"none"}
// CHECK: metadata !{metadata !"kernel_arg_type", metadata !"half*"}
+// CHECK: metadata !{metadata !"kernel_arg_base_type", metadata !"half*"}
// CHECK: metadata !{metadata !"kernel_arg_type_qual", metadata !""}
// CHECK: metadata !{metadata !"kernel_arg_name", metadata !"X"}
+
+typedef image1d_t myImage;
+kernel void foo4(read_only myImage img1, write_only image1d_t img2) {
+}
+// CHECK: metadata !{metadata !"kernel_arg_addr_space", i32 1, i32 1}
+// CHECK: metadata !{metadata !"kernel_arg_access_qual", metadata !"read_only", metadata !"write_only"}
+// CHECK: metadata !{metadata !"kernel_arg_type", metadata !"myImage", metadata !"image1d_t"}
+// CHECK: metadata !{metadata !"kernel_arg_base_type", metadata !"image1d_t", metadata !"image1d_t"}
+// CHECK: metadata !{metadata !"kernel_arg_type_qual", metadata !"", metadata !""}
+// CHECK: metadata !{metadata !"kernel_arg_name", metadata !"img1", metadata !"img2"}
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