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authorJosé Fonseca <jfonseca@vmware.com>2009-08-10 23:22:40 +0100
committerJosé Fonseca <jfonseca@vmware.com>2009-08-29 09:21:29 +0100
commit36249348ed6dfae63ef2b81e6db88c975a801f2a (patch)
tree41d956fa521c030dfbf0c0da05c7b1edf22d2583
parent50d77141e8fc884396a1a143d40b4be7a1513a2f (diff)
llvmpipe: More intrinsic helpers.
-rw-r--r--src/gallium/drivers/llvmpipe/lp_bld_intr.c112
-rw-r--r--src/gallium/drivers/llvmpipe/lp_bld_intr.h43
2 files changed, 136 insertions, 19 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_intr.c b/src/gallium/drivers/llvmpipe/lp_bld_intr.c
index c055f8f38c..a2051211b7 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_intr.c
+++ b/src/gallium/drivers/llvmpipe/lp_bld_intr.c
@@ -51,37 +51,113 @@
LLVMValueRef
-lp_build_intrinsic_binary(LLVMBuilderRef builder,
- const char *name,
- LLVMTypeRef ret_type,
- LLVMValueRef a,
- LLVMValueRef b)
+lp_build_intrinsic(LLVMBuilderRef builder,
+ const char *name,
+ LLVMTypeRef ret_type,
+ LLVMValueRef *args,
+ unsigned num_args)
{
LLVMModuleRef module = LLVMGetGlobalParent(LLVMGetBasicBlockParent(LLVMGetInsertBlock(builder)));
LLVMValueRef function;
- LLVMValueRef args[2];
+
+ assert(num_args <= LP_MAX_FUNC_ARGS);
function = LLVMGetNamedFunction(module, name);
if(!function) {
- LLVMTypeRef arg_types[2];
- arg_types[0] = LLVMTypeOf(a);
- arg_types[1] = LLVMTypeOf(b);
- function = LLVMAddFunction(module, name, LLVMFunctionType(ret_type, arg_types, 2, 0));
+ LLVMTypeRef arg_types[LP_MAX_FUNC_ARGS];
+ unsigned i;
+ for(i = 0; i < num_args; ++i) {
+ assert(args[i]);
+ arg_types[i] = LLVMTypeOf(args[i]);
+ }
+ function = LLVMAddFunction(module, name, LLVMFunctionType(ret_type, arg_types, num_args, 0));
LLVMSetFunctionCallConv(function, LLVMCCallConv);
LLVMSetLinkage(function, LLVMExternalLinkage);
}
assert(LLVMIsDeclaration(function));
-#ifdef DEBUG
- /* We shouldn't use only constants with intrinsics, as they won't be
- * propagated by LLVM optimization passes.
- */
- if(LLVMIsConstant(a) && LLVMIsConstant(b))
- debug_printf("warning: invoking intrinsic \"%s\" with constants\n");
-#endif
+ return LLVMBuildCall(builder, function, args, num_args, "");
+}
+
+
+LLVMValueRef
+lp_build_intrinsic_unary(LLVMBuilderRef builder,
+ const char *name,
+ LLVMTypeRef ret_type,
+ LLVMValueRef a)
+{
+ return lp_build_intrinsic(builder, name, ret_type, &a, 1);
+}
+
+
+LLVMValueRef
+lp_build_intrinsic_binary(LLVMBuilderRef builder,
+ const char *name,
+ LLVMTypeRef ret_type,
+ LLVMValueRef a,
+ LLVMValueRef b)
+{
+ LLVMValueRef args[2];
args[0] = a;
args[1] = b;
- return LLVMBuildCall(builder, function, args, 2, "");
+ return lp_build_intrinsic(builder, name, ret_type, args, 2);
}
+
+
+LLVMValueRef
+lp_build_intrinsic_map(LLVMBuilderRef builder,
+ const char *name,
+ LLVMTypeRef ret_type,
+ LLVMValueRef *args,
+ unsigned num_args)
+{
+ LLVMTypeRef ret_elem_type = LLVMGetElementType(ret_type);
+ unsigned n = LLVMGetVectorSize(ret_type);
+ unsigned i, j;
+ LLVMValueRef res;
+
+ assert(num_args <= LP_MAX_FUNC_ARGS);
+
+ res = LLVMGetUndef(ret_type);
+ for(i = 0; i < n; ++i) {
+ LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0);
+ LLVMValueRef arg_elems[LP_MAX_FUNC_ARGS];
+ LLVMValueRef res_elem;
+ for(j = 0; j < num_args; ++j)
+ arg_elems[j] = LLVMBuildExtractElement(builder, args[j], index, "");
+ res_elem = lp_build_intrinsic(builder, name, ret_elem_type, arg_elems, num_args);
+ res = LLVMBuildInsertElement(builder, res, res_elem, index, "");
+ }
+
+ return res;
+}
+
+
+LLVMValueRef
+lp_build_intrinsic_map_unary(LLVMBuilderRef builder,
+ const char *name,
+ LLVMTypeRef ret_type,
+ LLVMValueRef a)
+{
+ return lp_build_intrinsic_map(builder, name, ret_type, &a, 1);
+}
+
+
+LLVMValueRef
+lp_build_intrinsic_map_binary(LLVMBuilderRef builder,
+ const char *name,
+ LLVMTypeRef ret_type,
+ LLVMValueRef a,
+ LLVMValueRef b)
+{
+ LLVMValueRef args[2];
+
+ args[0] = a;
+ args[1] = b;
+
+ return lp_build_intrinsic_map(builder, name, ret_type, args, 2);
+}
+
+
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_intr.h b/src/gallium/drivers/llvmpipe/lp_bld_intr.h
index 67f596c2b5..1e8e0edd83 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_intr.h
+++ b/src/gallium/drivers/llvmpipe/lp_bld_intr.h
@@ -27,7 +27,7 @@
/**
* @file
- * Helper arithmetic functions.
+ * Helper functions for calling intrinsics.
*
* @author Jose Fonseca <jfonseca@vmware.com>
*/
@@ -40,6 +40,24 @@
#include <llvm-c/Core.h>
+#define LP_MAX_FUNC_ARGS 32
+
+
+LLVMValueRef
+lp_build_intrinsic(LLVMBuilderRef builder,
+ const char *name,
+ LLVMTypeRef ret_type,
+ LLVMValueRef *args,
+ unsigned num_args);
+
+
+LLVMValueRef
+lp_build_intrinsic_unary(LLVMBuilderRef builder,
+ const char *name,
+ LLVMTypeRef ret_type,
+ LLVMValueRef a);
+
+
LLVMValueRef
lp_build_intrinsic_binary(LLVMBuilderRef builder,
const char *name,
@@ -48,4 +66,27 @@ lp_build_intrinsic_binary(LLVMBuilderRef builder,
LLVMValueRef b);
+LLVMValueRef
+lp_build_intrinsic_map(LLVMBuilderRef builder,
+ const char *name,
+ LLVMTypeRef ret_type,
+ LLVMValueRef *args,
+ unsigned num_args);
+
+
+LLVMValueRef
+lp_build_intrinsic_map_unary(LLVMBuilderRef builder,
+ const char *name,
+ LLVMTypeRef ret_type,
+ LLVMValueRef a);
+
+
+LLVMValueRef
+lp_build_intrinsic_map_binary(LLVMBuilderRef builder,
+ const char *name,
+ LLVMTypeRef ret_type,
+ LLVMValueRef a,
+ LLVMValueRef b);
+
+
#endif /* !LP_BLD_INTR_H */