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Another minor change to OdinLLVMBuildTransmute regarding minimum source alignment

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gingerBill
2021-03-29 14:11:02 +01:00
parent 253a3edd30
commit 48767301a4
1 changed files with 5 additions and 1 deletions
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6
src/llvm_backend.cpp
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@@ -2824,6 +2824,10 @@ LLVMValueRef OdinLLVMBuildTransmute(lbProcedure *p, LLVMValueRef val, LLVMTypeRe
i64 dst_size = lb_sizeof(dst_type);
i64 src_align = lb_alignof(src_type);
i64 dst_align = lb_alignof(dst_type);
if (LLVMIsALoadInst(val)) {
src_align = gb_min(src_align, LLVMGetAlignment(val));
}
LLVMTypeKind src_kind = LLVMGetTypeKind(src_type);
LLVMTypeKind dst_kind = LLVMGetTypeKind(dst_type);
@@ -2861,7 +2865,7 @@ LLVMValueRef OdinLLVMBuildTransmute(lbProcedure *p, LLVMValueRef val, LLVMTypeRe
}
general_end:;
if (LLVMIsALoadInst(val) && src_size >= dst_size) {
if (LLVMIsALoadInst(val) && (src_size >= dst_size && src_align >= dst_align)) {
LLVMValueRef val_ptr = LLVMGetOperand(val, 0);
val_ptr = LLVMBuildPointerCast(p->builder, val_ptr, LLVMPointerType(dst_type, 0), "");
LLVMValueRef loaded_val = LLVMBuildLoad(p->builder, val_ptr, "");