1 files changed, 43 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_intr.c b/src/gallium/auxiliary/gallivm/lp_bld_intr.c
index 30f4863ec44..e153389e6a9 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_intr.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_intr.c
@@ -45,6 +45,7 @@
 
 
 #include "util/u_debug.h"
+#include "util/u_string.h"
 
 #include "lp_bld_const.h"
 #include "lp_bld_intr.h"
@@ -52,6 +53,48 @@
 #include "lp_bld_pack.h"
 
 
+void
+lp_format_intrinsic(char *name,
+                    size_t size,
+                    const char *name_root,
+                    LLVMTypeRef type)
+{
+   unsigned length = 0;
+   unsigned width;
+   char c;
+
+   LLVMTypeKind kind = LLVMGetTypeKind(type);
+   if (kind == LLVMVectorTypeKind) {
+      length = LLVMGetVectorSize(type);
+      type = LLVMGetElementType(type);
+      kind = LLVMGetTypeKind(type);
+   }
+
+   switch (kind) {
+   case LLVMIntegerTypeKind:
+      c = 'i';
+      width = LLVMGetIntTypeWidth(type);
+      break;
+   case LLVMFloatTypeKind:
+      c = 'f';
+      width = 32;
+      break;
+   case LLVMDoubleTypeKind:
+      c = 'f';
+      width = 64;
+      break;
+   default:
+      assert(0);
+   }
+
+   if (length) {
+      util_snprintf(name, size, "%s.v%u%c%u", name_root, length, c, width);
+   } else {
+      util_snprintf(name, size, "%s.%c%u", name_root, c, width);
+   }
+}
+
+
 LLVMValueRef
 lp_declare_intrinsic(LLVMModuleRef module,
                      const char *name,