Initial support for replace all uses with

Author: TheDan64

src/values/array_value.rs

@@ -65,6 +65,10 @@ impl ArrayValue {
     pub fn set_metadata(&self, metadata: &MetadataValue, kind_id: u32) {
         self.array_value.set_metadata(metadata, kind_id)
     }
+
+    pub fn replace_all_uses_with(&self, other: &ArrayValue) {
+        self.array_value.replace_all_uses_with(other.as_value_ref())
+    }
 }
 
 impl AsValueRef for ArrayValue {

src/values/float_value.rs

@@ -166,6 +166,10 @@ impl FloatValue {
 
         IntValue::new(value)
     }
+
+    pub fn replace_all_uses_with(&self, other: &FloatValue) {
+        self.float_value.replace_all_uses_with(other.as_value_ref())
+    }
 }
 
 impl AsValueRef for FloatValue {

src/values/fn_value.rs

@@ -302,6 +302,10 @@ impl FunctionValue {
             LLVMSetGC(self.as_value_ref(), c_string.as_ptr())
         }
     }
+
+    pub fn replace_all_uses_with(&self, other: &FunctionValue) {
+        self.fn_value.replace_all_uses_with(other.as_value_ref())
+    }
 }
 
 impl AsValueRef for FunctionValue {

src/values/instruction_value.rs

@@ -228,6 +228,11 @@ impl InstructionValue {
             LLVMIsTailCall(self.as_value_ref()) == 1
         }
     }
+
+    pub fn replace_all_uses_with(&self, other: &InstructionValue) {
+        self.instruction_value.replace_all_uses_with(other.as_value_ref())
+    }
+
 }
 
 impl Clone for InstructionValue {

src/values/int_value.rs

@@ -365,6 +365,10 @@ impl IntValue {
 
         IntValue::new(value)
     }
+
+    pub fn replace_all_uses_with(&self, other: &IntValue) {
+        self.int_value.replace_all_uses_with(other.as_value_ref())
+    }
 }
 
 impl AsValueRef for IntValue {

src/values/metadata_value.rs

@@ -125,6 +125,10 @@ impl MetadataValue {
     pub fn print_to_stderr(&self) {
         self.metadata_value.print_to_stderr()
     }
+
+    pub fn replace_all_uses_with(&self, other: &MetadataValue) {
+        self.metadata_value.replace_all_uses_with(other.as_value_ref())
+    }
 }
 
 impl AsValueRef for MetadataValue {

src/values/mod.rs

@@ -27,7 +27,7 @@ pub use values::traits::{AnyValue, AggregateValue, BasicValue};
 pub use values::vec_value::VectorValue;
 pub(crate) use values::traits::AsValueRef;
 
-use llvm_sys::core::{LLVMGetValueName, LLVMIsConstant, LLVMIsNull, LLVMIsUndef, LLVMPrintTypeToString, LLVMPrintValueToString, LLVMSetGlobalConstant, LLVMSetValueName, LLVMTypeOf, LLVMDumpValue, LLVMIsAInstruction, LLVMGetMetadata, LLVMHasMetadata, LLVMSetMetadata};
+use llvm_sys::core::{LLVMGetValueName, LLVMIsConstant, LLVMIsNull, LLVMIsUndef, LLVMPrintTypeToString, LLVMPrintValueToString, LLVMSetGlobalConstant, LLVMSetValueName, LLVMTypeOf, LLVMDumpValue, LLVMIsAInstruction, LLVMGetMetadata, LLVMHasMetadata, LLVMSetMetadata, LLVMReplaceAllUsesWith};
 use llvm_sys::prelude::{LLVMValueRef, LLVMTypeRef};
 
 use std::ffi::{CString, CStr};
@@ -141,6 +141,14 @@ impl Value {
         }
     }
 
+    // REVIEW: I think this is memory safe, though it may result in an IR error
+    // if used incorrectly, which is OK.
+    fn replace_all_uses_with(&self, other: LLVMValueRef) {
+        unsafe {
+            LLVMReplaceAllUsesWith(self.value, other)
+        }
+    }
+
     // REVIEW: Remove?
     // fn get_type_kind(&self) -> LLVMTypeKind {
     //     (*self.get_type()).as_llvm_type_ref().get_kind()

src/values/phi_value.rs

@@ -79,6 +79,10 @@ impl PhiValue {
     pub fn as_instruction(&self) -> Option<InstructionValue> {
         self.phi_value.as_instruction()
     }
+
+    pub fn replace_all_uses_with(&self, other: &PhiValue) {
+        self.phi_value.replace_all_uses_with(other.as_value_ref())
+    }
 }
 
 impl AsValueRef for PhiValue {

src/values/ptr_value.rs

@@ -110,6 +110,10 @@ impl PointerValue {
 
         PointerValue::new(value)
     }
+
+    pub fn replace_all_uses_with(&self, other: &PointerValue) {
+        self.ptr_value.replace_all_uses_with(other.as_value_ref())
+    }
 }
 
 impl AsValueRef for PointerValue {

src/values/struct_value.rs

@@ -63,6 +63,10 @@ impl StructValue {
     pub fn set_metadata(&self, metadata: &MetadataValue, kind_id: u32) {
         self.struct_value.set_metadata(metadata, kind_id)
     }
+
+    pub fn replace_all_uses_with(&self, other: &StructValue) {
+        self.struct_value.replace_all_uses_with(other.as_value_ref())
+    }
 }
 
 impl AsValueRef for StructValue {

src/values/vec_value.rs

@@ -98,6 +98,10 @@ impl VectorValue {
     pub fn set_metadata(&self, metadata: &MetadataValue, kind_id: u32) {
         self.vec_value.set_metadata(metadata, kind_id)
     }
+
+    pub fn replace_all_uses_with(&self, other: &VectorValue) {
+        self.vec_value.replace_all_uses_with(other.as_value_ref())
+    }
 }
 
 impl AsValueRef for VectorValue {