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memcpy and memset builtins support volatile pointers

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See #238
This commit is contained in:
Andrew Kelley
2017-02-04 22:12:06 -05:00
parent 419e75eb23
commit b840184bb0
4 changed files with 34 additions and 13 deletions
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13
src/codegen.cpp
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@@ -1804,7 +1804,10 @@ static LLVMValueRef ir_render_memset(CodeGen *g, IrExecutable *executable, IrIns
LLVMValueRef dest_ptr_casted = LLVMBuildBitCast(g->builder, dest_ptr, ptr_u8, "");
LLVMValueRef is_volatile = instruction->is_volatile ?
TypeTableEntry *ptr_type = get_underlying_type(instruction->dest_ptr->value.type);
assert(ptr_type->id == TypeTableEntryIdPointer);
LLVMValueRef is_volatile = ptr_type->data.pointer.is_volatile ?
LLVMConstAllOnes(LLVMInt1Type()) : LLVMConstNull(LLVMInt1Type());
LLVMValueRef params[] = {
@@ -1829,7 +1832,13 @@ static LLVMValueRef ir_render_memcpy(CodeGen *g, IrExecutable *executable, IrIns
LLVMValueRef dest_ptr_casted = LLVMBuildBitCast(g->builder, dest_ptr, ptr_u8, "");
LLVMValueRef src_ptr_casted = LLVMBuildBitCast(g->builder, src_ptr, ptr_u8, "");
LLVMValueRef is_volatile = instruction->is_volatile ?
TypeTableEntry *dest_ptr_type = get_underlying_type(instruction->dest_ptr->value.type);
TypeTableEntry *src_ptr_type = get_underlying_type(instruction->src_ptr->value.type);
assert(dest_ptr_type->id == TypeTableEntryIdPointer);
assert(src_ptr_type->id == TypeTableEntryIdPointer);
LLVMValueRef is_volatile = (dest_ptr_type->data.pointer.is_volatile || src_ptr_type->data.pointer.is_volatile) ?
LLVMConstAllOnes(LLVMInt1Type()) : LLVMConstNull(LLVMInt1Type());
LLVMValueRef params[] = {