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126 lines
4.0 KiB
C
126 lines
4.0 KiB
C
// #target: macos-x64
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module oups;
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import std::io;
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fn void! main()
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{
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ByteReader r;
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InStream* s = &r;
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s.foo()!;
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}
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macro InStream.foo(&self)
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{
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char! c = self.read_byte();
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if (catch err = c)
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{
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return err?;
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}
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return;
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}
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/* #expect: oups.ll
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define i64 @oups.main() #0 {
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entry:
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%r = alloca %ByteReader, align 8
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%s = alloca %"any*", align 8
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%error_var = alloca i64, align 8
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%self = alloca %"any*", align 8
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%c = alloca i8, align 1
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%c.f = alloca i64, align 8
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%.inlinecache = alloca ptr, align 8
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%.cachedtype = alloca ptr, align 8
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%retparam = alloca i8, align 1
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%err = alloca i64, align 8
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store ptr null, ptr %.cachedtype, align 8
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call void @llvm.memset.p0.i64(ptr align 8 %r, i8 0, i64 24, i1 false)
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%0 = insertvalue %"any*" undef, ptr %r, 0
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%1 = insertvalue %"any*" %0, i64 ptrtoint (ptr @"$ct.std.io.ByteReader" to i64), 1
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store %"any*" %1, ptr %s, align 8
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call void @llvm.memcpy.p0.p0.i32(ptr align 8 %self, ptr align 8 %s, i32 16, i1 false)
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%ptradd = getelementptr inbounds i8, ptr %self, i64 8
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%2 = load i64, ptr %ptradd, align 8
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%3 = inttoptr i64 %2 to ptr
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%type = load ptr, ptr %.cachedtype, align 8
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%4 = icmp eq ptr %3, %type
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br i1 %4, label %cache_hit, label %cache_miss
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cache_miss: ; preds = %entry
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%ptradd1 = getelementptr inbounds i8, ptr %3, i64 16
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%5 = load ptr, ptr %ptradd1, align 8
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%6 = call ptr @.dyn_search(ptr %5, ptr @"$sel.read_byte")
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store ptr %6, ptr %.inlinecache, align 8
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store ptr %3, ptr %.cachedtype, align 8
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br label %7
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cache_hit: ; preds = %entry
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%cache_hit_fn = load ptr, ptr %.inlinecache, align 8
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br label %7
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7: ; preds = %cache_hit, %cache_miss
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%fn_phi = phi ptr [ %cache_hit_fn, %cache_hit ], [ %6, %cache_miss ]
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%8 = icmp eq ptr %fn_phi, null
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br i1 %8, label %missing_function, label %match
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missing_function: ; preds = %7
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%9 = load ptr, ptr @std.core.builtin.panic, align 8
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call void %9(ptr @.panic_msg, i64 46, ptr @.file, i64 25, ptr @.func, i64 4, i32 13)
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unreachable
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match: ; preds = %7
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%10 = load ptr, ptr %self, align 8
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%11 = call i64 %fn_phi(ptr %retparam, ptr %10)
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%not_err = icmp eq i64 %11, 0
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%12 = call i1 @llvm.expect.i1(i1 %not_err, i1 true)
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br i1 %12, label %after_check, label %assign_optional
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assign_optional: ; preds = %match
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store i64 %11, ptr %c.f, align 8
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br label %after_assign
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after_check: ; preds = %match
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%13 = load i8, ptr %retparam, align 1
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store i8 %13, ptr %c, align 1
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store i64 0, ptr %c.f, align 8
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br label %after_assign
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after_assign: ; preds = %after_check, %assign_optional
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br label %testblock
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testblock: ; preds = %after_assign
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%optval = load i64, ptr %c.f, align 8
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%not_err2 = icmp eq i64 %optval, 0
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%14 = call i1 @llvm.expect.i1(i1 %not_err2, i1 true)
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br i1 %14, label %after_check4, label %assign_optional3
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assign_optional3: ; preds = %testblock
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store i64 %optval, ptr %err, align 8
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br label %end_block
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after_check4: ; preds = %testblock
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store i64 0, ptr %err, align 8
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br label %end_block
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end_block: ; preds = %after_check4, %assign_optional3
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%15 = load i64, ptr %err, align 8
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%neq = icmp ne i64 %15, 0
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br i1 %neq, label %if.then, label %if.exit
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if.then: ; preds = %end_block
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%16 = load i64, ptr %err, align 8
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store i64 %16, ptr %error_var, align 8
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br label %guard_block
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if.exit: ; preds = %end_block
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br label %noerr_block
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guard_block: ; preds = %if.then
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%17 = load i64, ptr %error_var, align 8
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ret i64 %17
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noerr_block: ; preds = %if.exit
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ret i64 0
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}
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