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Create named structs instead of anonymous

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Sofia 2025-07-20 17:51:08 +03:00
parent b185e2ecc6
commit de95db7cc1
5 changed files with 47 additions and 2 deletions
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2
Makefile
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@ -10,7 +10,7 @@ clean:
rm -f $(BIN) $(SRC:.reid=.o) $(SRC:.reid=.asm) $(SRC:.reid=.ll)
$(BIN): $(SRC:.reid=.o)
$(LD) -O0 -dynamic-linker /lib64/ld-linux-x86-64.so.2 /usr/lib/crt1.o -lc $(LDFLAGS) $< -o$@
$(LD) -dynamic-linker /lib64/ld-linux-x86-64.so.2 /usr/lib/crt1.o -lc $(LDFLAGS) $< -o$@
.SUFFIXES: .o .reid
.reid.o:

BIN
otus Executable file
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Binary file not shown.

8
otus.c Normal file
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@ -0,0 +1,8 @@
struct DivT {
int quot;
int rem;
};
extern struct DivT div(int num, int denom);
int main() { return div(10, 5).quot; }

33
otus.ll Normal file
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@ -0,0 +1,33 @@
; ModuleID = 'otus.c'
source_filename = "otus.c"
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-linux-gnu"
%struct.DivT = type { i32, i32 }
; Function Attrs: noinline nounwind optnone sspstrong uwtable
define dso_local i32 @main() #0 {
%1 = alloca i32, align 4
%2 = alloca %struct.DivT, align 4
store i32 0, ptr %1, align 4
%3 = call i64 @div(i32 noundef 10, i32 noundef 5)
store i64 %3, ptr %2, align 4
%4 = getelementptr inbounds %struct.DivT, ptr %2, i32 0, i32 0
%5 = load i32, ptr %4, align 4
ret i32 %5
}
declare i64 @div(i32 noundef, i32 noundef) #1
attributes #0 = { noinline nounwind optnone sspstrong uwtable "frame-pointer"="all" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
!llvm.module.flags = !{!0, !1, !2, !3, !4}
!llvm.ident = !{!5}
!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{i32 7, !"frame-pointer", i32 2}
!5 = !{!"clang version 19.1.7"}

6
reid-llvm-lib/src/compile.rs
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@ -563,8 +563,12 @@ impl TypeHolder {
for ty in &named_struct.1 {
elem_types.push(ty.as_llvm(context.context_ref, types));
}
let struct_ty = LLVMStructTypeInContext(
let struct_ty = LLVMStructCreateNamed(
context.context_ref,
into_cstring(named_struct.0.clone()).as_ptr(),
);
LLVMStructSetBody(
struct_ty,
elem_types.as_mut_ptr(),
elem_types.len() as u32,
0,