commit 2e033f31dc229db8d5c84f19530b7d2ddc175f44
author Duncan Sands <baldrick@free.fr> Tue Jul 08 08:38:44 2008 +0000
committer Duncan Sands <baldrick@free.fr> Tue Jul 08 08:38:44 2008 +0000
tree 21fd5db15f87a4c408f389ce5db38ce4921719fb
parent 155a490258a3a58f77ead53daa2078c3898938b5

Add some convenience methods for manipulating
call attributes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53223 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Instructions.h

diff --git a/include/llvm/Instructions.h b/include/llvm/Instructions.h
index f9e0a2e..1626017 100644
--- a/include/llvm/Instructions.h
+++ b/include/llvm/Instructions.h
@@ -1065,6 +1065,9 @@
   /// addParamAttr - adds the attribute to the list of attributes.
   void addParamAttr(unsigned i, ParameterAttributes attr);
 
+  /// removeParamAttr - removes the attribute from the list of attributes.
+  void removeParamAttr(unsigned i, ParameterAttributes attr);
+
   /// @brief Determine whether the call or the callee has the given attribute.
   bool paramHasAttr(unsigned i, unsigned attr) const;
 
@@ -1077,22 +1080,37 @@
   bool doesNotAccessMemory() const {
     return paramHasAttr(0, ParamAttr::ReadNone);
   }
-  
+  void setDoesNotAccessMemory(bool doesNotAccessMemory = true) {
+    if (doesNotAccessMemory) addParamAttr(0, ParamAttr::ReadNone);
+    else removeParamAttr(0, ParamAttr::ReadNone);
+  }
+
   /// @brief Determine if the call does not access or only reads memory.
   bool onlyReadsMemory() const {
     return doesNotAccessMemory() || paramHasAttr(0, ParamAttr::ReadOnly);
   }
-  
+  void setOnlyReadsMemory(bool onlyReadsMemory = true) {
+    if (onlyReadsMemory) addParamAttr(0, ParamAttr::ReadOnly);
+    else removeParamAttr(0, ParamAttr::ReadOnly | ParamAttr::ReadNone);
+  }
+
   /// @brief Determine if the call cannot return.
   bool doesNotReturn() const {
     return paramHasAttr(0, ParamAttr::NoReturn);
   }
+  void setDoesNotReturn(bool doesNotReturn = true) {
+    if (doesNotReturn) addParamAttr(0, ParamAttr::NoReturn);
+    else removeParamAttr(0, ParamAttr::NoReturn);
+  }
 
   /// @brief Determine if the call cannot unwind.
   bool doesNotThrow() const {
     return paramHasAttr(0, ParamAttr::NoUnwind);
   }
-  void setDoesNotThrow(bool doesNotThrow = true);
+  void setDoesNotThrow(bool doesNotThrow = true) {
+    if (doesNotThrow) addParamAttr(0, ParamAttr::NoUnwind);
+    else removeParamAttr(0, ParamAttr::NoUnwind);
+  }
 
   /// @brief Determine if the call returns a structure through first 
   /// pointer argument.
@@ -2427,6 +2445,9 @@
   /// addParamAttr - adds the attribute to the list of attributes.
   void addParamAttr(unsigned i, ParameterAttributes attr);
 
+  /// removeParamAttr - removes the attribute from the list of attributes.
+  void removeParamAttr(unsigned i, ParameterAttributes attr);
+
   /// @brief Extract the alignment for a call or parameter (0=unknown).
   unsigned getParamAlignment(unsigned i) const {
     return ParamAttrs.getParamAlignment(i);
@@ -2436,22 +2457,37 @@
   bool doesNotAccessMemory() const {
     return paramHasAttr(0, ParamAttr::ReadNone);
   }
+  void setDoesNotAccessMemory(bool doesNotAccessMemory = true) {
+    if (doesNotAccessMemory) addParamAttr(0, ParamAttr::ReadNone);
+    else removeParamAttr(0, ParamAttr::ReadNone);
+  }
 
   /// @brief Determine if the call does not access or only reads memory.
   bool onlyReadsMemory() const {
     return doesNotAccessMemory() || paramHasAttr(0, ParamAttr::ReadOnly);
   }
+  void setOnlyReadsMemory(bool onlyReadsMemory = true) {
+    if (onlyReadsMemory) addParamAttr(0, ParamAttr::ReadOnly);
+    else removeParamAttr(0, ParamAttr::ReadOnly | ParamAttr::ReadNone);
+  }
 
   /// @brief Determine if the call cannot return.
   bool doesNotReturn() const {
     return paramHasAttr(0, ParamAttr::NoReturn);
   }
+  void setDoesNotReturn(bool doesNotReturn = true) {
+    if (doesNotReturn) addParamAttr(0, ParamAttr::NoReturn);
+    else removeParamAttr(0, ParamAttr::NoReturn);
+  }
 
   /// @brief Determine if the call cannot unwind.
   bool doesNotThrow() const {
     return paramHasAttr(0, ParamAttr::NoUnwind);
   }
-  void setDoesNotThrow(bool doesNotThrow = true);
+  void setDoesNotThrow(bool doesNotThrow = true) {
+    if (doesNotThrow) addParamAttr(0, ParamAttr::NoUnwind);
+    else removeParamAttr(0, ParamAttr::NoUnwind);
+  }
 
   /// @brief Determine if the call returns a structure through first 
   /// pointer argument.