[LLDB] Remove return value from DumpRegisterValue

No one ever checks it. Also convert to early return.

Reviewed By: labath

Differential Revision: https://reviews.llvm.org/D141687

2 files changed, 52 insertions, 53 deletions

diff --git a/lldb/include/lldb/Core/DumpRegisterValue.h b/lldb/include/lldb/Core/DumpRegisterValue.h
index 655003a..08bf0af 100644
--- a/lldb/include/lldb/Core/DumpRegisterValue.h
+++ b/lldb/include/lldb/Core/DumpRegisterValue.h
@@ -21,7 +21,7 @@ class Stream;
 
 // The default value of 0 for reg_name_right_align_at means no alignment at
 // all.
-bool DumpRegisterValue(const RegisterValue &reg_val, Stream *s,
+void DumpRegisterValue(const RegisterValue &reg_val, Stream *s,
                        const RegisterInfo *reg_info, bool prefix_with_name,
                        bool prefix_with_alt_name, lldb::Format format,
                        uint32_t reg_name_right_align_at = 0,
diff --git a/lldb/source/Core/DumpRegisterValue.cpp b/lldb/source/Core/DumpRegisterValue.cpp
index 0417ea9..14659e0 100644
--- a/lldb/source/Core/DumpRegisterValue.cpp
+++ b/lldb/source/Core/DumpRegisterValue.cpp
@@ -15,66 +15,65 @@
 
 using namespace lldb;
 
-bool lldb_private::DumpRegisterValue(const RegisterValue &reg_val, Stream *s,
+void lldb_private::DumpRegisterValue(const RegisterValue &reg_val, Stream *s,
                                      const RegisterInfo *reg_info,
                                      bool prefix_with_name,
                                      bool prefix_with_alt_name, Format format,
                                      uint32_t reg_name_right_align_at,
                                      ExecutionContextScope *exe_scope) {
   DataExtractor data;
-  if (reg_val.GetData(data)) {
-    bool name_printed = false;
-    // For simplicity, alignment of the register name printing applies only in
-    // the most common case where:
-    //
-    //     prefix_with_name^prefix_with_alt_name is true
-    //
-    StreamString format_string;
-    if (reg_name_right_align_at && (prefix_with_name ^ prefix_with_alt_name))
-      format_string.Printf("%%%us", reg_name_right_align_at);
-    else
-      format_string.Printf("%%s");
-    std::string fmt = std::string(format_string.GetString());
-    if (prefix_with_name) {
-      if (reg_info->name) {
-        s->Printf(fmt.c_str(), reg_info->name);
-        name_printed = true;
-      } else if (reg_info->alt_name) {
-        s->Printf(fmt.c_str(), reg_info->alt_name);
-        prefix_with_alt_name = false;
-        name_printed = true;
-      }
-    }
-    if (prefix_with_alt_name) {
-      if (name_printed)
-        s->PutChar('/');
-      if (reg_info->alt_name) {
-        s->Printf(fmt.c_str(), reg_info->alt_name);
-        name_printed = true;
-      } else if (!name_printed) {
-        // No alternate name but we were asked to display a name, so show the
-        // main name
-        s->Printf(fmt.c_str(), reg_info->name);
-        name_printed = true;
-      }
+  if (!reg_val.GetData(data))
+    return;
+
+  bool name_printed = false;
+  // For simplicity, alignment of the register name printing applies only in
+  // the most common case where:
+  //
+  //     prefix_with_name^prefix_with_alt_name is true
+  //
+  StreamString format_string;
+  if (reg_name_right_align_at && (prefix_with_name ^ prefix_with_alt_name))
+    format_string.Printf("%%%us", reg_name_right_align_at);
+  else
+    format_string.Printf("%%s");
+  std::string fmt = std::string(format_string.GetString());
+  if (prefix_with_name) {
+    if (reg_info->name) {
+      s->Printf(fmt.c_str(), reg_info->name);
+      name_printed = true;
+    } else if (reg_info->alt_name) {
+      s->Printf(fmt.c_str(), reg_info->alt_name);
+      prefix_with_alt_name = false;
+      name_printed = true;
     }
+  }
+  if (prefix_with_alt_name) {
     if (name_printed)
-      s->PutCString(" = ");
+      s->PutChar('/');
+    if (reg_info->alt_name) {
+      s->Printf(fmt.c_str(), reg_info->alt_name);
+      name_printed = true;
+    } else if (!name_printed) {
+      // No alternate name but we were asked to display a name, so show the
+      // main name
+      s->Printf(fmt.c_str(), reg_info->name);
+      name_printed = true;
+    }
+  }
+  if (name_printed)
+    s->PutCString(" = ");
 
-    if (format == eFormatDefault)
-      format = reg_info->format;
+  if (format == eFormatDefault)
+    format = reg_info->format;
 
-    DumpDataExtractor(data, s,
-                      0,                    // Offset in "data"
-                      format,               // Format to use when dumping
-                      reg_info->byte_size,  // item_byte_size
-                      1,                    // item_count
-                      UINT32_MAX,           // num_per_line
-                      LLDB_INVALID_ADDRESS, // base_addr
-                      0,                    // item_bit_size
-                      0,                    // item_bit_offset
-                      exe_scope);
-    return true;
-  }
-  return false;
+  DumpDataExtractor(data, s,
+                    0,                    // Offset in "data"
+                    format,               // Format to use when dumping
+                    reg_info->byte_size,  // item_byte_size
+                    1,                    // item_count
+                    UINT32_MAX,           // num_per_line
+                    LLDB_INVALID_ADDRESS, // base_addr
+                    0,                    // item_bit_size
+                    0,                    // item_bit_offset
+                    exe_scope);
 }