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Update alignment rules for matrix types as a compromise to keep zero padding

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This commit is contained in:
gingerBill
2021-10-25 00:46:50 +01:00
parent 7a29f6cff0
commit 306bdf8869
6 changed files with 147 additions and 107 deletions
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src/llvm_backend_general.cpp
+6 -2
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@@ -512,8 +512,7 @@ void lb_emit_slice_bounds_check(lbProcedure *p, Token token, lbValue low, lbValu
}
}
bool lb_try_update_alignment(lbValue ptr, unsigned alignment) {
LLVMValueRef addr_ptr = ptr.value;
bool lb_try_update_alignment(LLVMValueRef addr_ptr, unsigned alignment) {
if (LLVMIsAGlobalValue(addr_ptr) || LLVMIsAAllocaInst(addr_ptr) || LLVMIsALoadInst(addr_ptr)) {
if (LLVMGetAlignment(addr_ptr) < alignment) {
if (LLVMIsAAllocaInst(addr_ptr) || LLVMIsAGlobalValue(addr_ptr)) {
@@ -525,6 +524,11 @@ bool lb_try_update_alignment(lbValue ptr, unsigned alignment) {
return false;
}
bool lb_try_update_alignment(lbValue ptr, unsigned alignment) {
return lb_try_update_alignment(ptr.value, alignment);
}
bool lb_try_vector_cast(lbModule *m, lbValue ptr, LLVMTypeRef *vector_type_) {
Type *array_type = base_type(type_deref(ptr.type));
GB_ASSERT(is_type_array_like(array_type));