I got the following compile error. Did the message-arrays.m can be compiled into
.bc? Or need include something for Object C language compile.
Jonathan
118-165-76-229:CodeGenObjC Jonathan$ pwd
/Users/Jonathan/llvm/release/src/tools/clang/test/CodeGenObjC
118-165-76-229:CodeGenObjC Jonathan$ clang -emit-llvm -o 1.ll -c
message-arrays.m
message-arrays.m:5:3: warning: instance method '-print:' not found
(return type
defaults to 'id') [-Wobjc-method-access]
[ a print: "hello" ];
^ ~~~~~
message-arrays.m:15:1: warning: control reaches end of non-void function
[-Wreturn-type]
}
^
2 warnings generated.
118-165-76-229:CodeGenObjC Jonathan$ clang -emit-llvm -o 1.ll -c ivars.m
ivars.m:18:12: warning: class 'R' defined without specifying a base
class
[-Wobjc-root-class]
@interface R {
^
ivars.m:18:13: note: add a super class to fix this problem
@interface R {
^
1 warning generated.
On 2013/4/6, at 上午11:05, Tyler Hardin <tghardin1 at catamount.wcu.edu>
wrote:
> Look up --emit-llvm. I think it has to be used with -c.
>
> On Apr 5, 2013 10:55 PM, "Jonathan" <gamma_chen at
yahoo.com.tw> wrote:
> Following came from tools/clang/test/CodeGenObjC/message-arrays.m. But I
don't know how to compile it at terminal command since no clang_cc1
executable file. Can some one help me? I am writing the llvm backend document
--http://jonathan2251.github.com/lbd/index.html now. I use "clang -c
hello.cpp -emit-llvm" to compile C++ but don't know how to compile
Object-C.
>
> // RUN: %clang_cc1 -emit-llvm -o %t %s
>
> void f0(id a) {
> // This should have an implicit cast
> [ a print: "hello" ];
> }
>
> @interface A
> -(void) m: (int) arg0, ...;
> @end
>
> int f1(A *a) {
> // This should also get an implicit cast (for the vararg)
> [a m: 1, "test"];
> }
>
> Jonathan
>
> _______________________________________________
> LLVM Developers mailing list
> LLVMdev at cs.uiuc.edu http://llvm.cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>
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Charles Davis
2013-Apr-06 03:25 UTC
[LLVMdev] How to compile object C with clang into llvm IR?
On Apr 5, 2013, at 9:19 PM, Jonathan wrote:> I got the following compile error. Did the message-arrays.m can be compiled into .bc? Or need include something for Object C language compile.Those are warnings, not errors. They otherwise compiled just fine. You should have a bitcode file named '1.ll' from each of those commands. Chip> > Jonathan > > 118-165-76-229:CodeGenObjC Jonathan$ pwd > /Users/Jonathan/llvm/release/src/tools/clang/test/CodeGenObjC > 118-165-76-229:CodeGenObjC Jonathan$ clang -emit-llvm -o 1.ll -c message-arrays.m > message-arrays.m:5:3: warning: instance method '-print:' not found (return type > defaults to 'id') [-Wobjc-method-access] > [ a print: "hello" ]; > ^ ~~~~~ > message-arrays.m:15:1: warning: control reaches end of non-void function > [-Wreturn-type] > } > ^ > 2 warnings generated. > 118-165-76-229:CodeGenObjC Jonathan$ clang -emit-llvm -o 1.ll -c ivars.m > ivars.m:18:12: warning: class 'R' defined without specifying a base class > [-Wobjc-root-class] > @interface R { > ^ > ivars.m:18:13: note: add a super class to fix this problem > @interface R { > ^ > 1 warning generated. > > On 2013/4/6, at 上午11:05, Tyler Hardin <tghardin1 at catamount.wcu.edu> wrote: > >> Look up --emit-llvm. I think it has to be used with -c. >> >> On Apr 5, 2013 10:55 PM, "Jonathan" <gamma_chen at yahoo.com.tw> wrote: >> Following came from tools/clang/test/CodeGenObjC/message-arrays.m. But I don't know how to compile it at terminal command since no clang_cc1 executable file. Can some one help me? I am writing the llvm backend document --http://jonathan2251.github.com/lbd/index.html now. I use "clang -c hello.cpp -emit-llvm" to compile C++ but don't know how to compile Object-C. >> >> // RUN: %clang_cc1 -emit-llvm -o %t %s >> >> void f0(id a) { >> // This should have an implicit cast >> [ a print: "hello" ]; >> } >> >> @interface A >> -(void) m: (int) arg0, ...; >> @end >> >> int f1(A *a) { >> // This should also get an implicit cast (for the vararg) >> [a m: 1, "test"]; >> } >> >> Jonathan >> >> _______________________________________________ >> LLVM Developers mailing list >> LLVMdev at cs.uiuc.edu http://llvm.cs.uiuc.edu >> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev >> > > _______________________________________________ > LLVM Developers mailing list > LLVMdev at cs.uiuc.edu http://llvm.cs.uiuc.edu > http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev-------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20130405/25b592f0/attachment.html>
Thank you. Yes, I got the output. Jonathan On 2013/4/6, at 上午11:25, Charles Davis <cdavis5x at gmail.com> wrote:> > On Apr 5, 2013, at 9:19 PM, Jonathan wrote: > >> I got the following compile error. Did the message-arrays.m can be compiled into .bc? Or need include something for Object C language compile. > Those are warnings, not errors. They otherwise compiled just fine. You should have a bitcode file named '1.ll' from each of those commands. > > Chip > >> >> Jonathan >> >> 118-165-76-229:CodeGenObjC Jonathan$ pwd >> /Users/Jonathan/llvm/release/src/tools/clang/test/CodeGenObjC >> 118-165-76-229:CodeGenObjC Jonathan$ clang -emit-llvm -o 1.ll -c message-arrays.m >> message-arrays.m:5:3: warning: instance method '-print:' not found (return type >> defaults to 'id') [-Wobjc-method-access] >> [ a print: "hello" ]; >> ^ ~~~~~ >> message-arrays.m:15:1: warning: control reaches end of non-void function >> [-Wreturn-type] >> } >> ^ >> 2 warnings generated. >> 118-165-76-229:CodeGenObjC Jonathan$ clang -emit-llvm -o 1.ll -c ivars.m >> ivars.m:18:12: warning: class 'R' defined without specifying a base class >> [-Wobjc-root-class] >> @interface R { >> ^ >> ivars.m:18:13: note: add a super class to fix this problem >> @interface R { >> ^ >> 1 warning generated. >> >> On 2013/4/6, at 上午11:05, Tyler Hardin <tghardin1 at catamount.wcu.edu> wrote: >> >>> Look up --emit-llvm. I think it has to be used with -c. >>> >>> On Apr 5, 2013 10:55 PM, "Jonathan" <gamma_chen at yahoo.com.tw> wrote: >>> Following came from tools/clang/test/CodeGenObjC/message-arrays.m. But I don't know how to compile it at terminal command since no clang_cc1 executable file. Can some one help me? I am writing the llvm backend document --http://jonathan2251.github.com/lbd/index.html now. I use "clang -c hello.cpp -emit-llvm" to compile C++ but don't know how to compile Object-C. >>> >>> // RUN: %clang_cc1 -emit-llvm -o %t %s >>> >>> void f0(id a) { >>> // This should have an implicit cast >>> [ a print: "hello" ]; >>> } >>> >>> @interface A >>> -(void) m: (int) arg0, ...; >>> @end >>> >>> int f1(A *a) { >>> // This should also get an implicit cast (for the vararg) >>> [a m: 1, "test"]; >>> } >>> >>> Jonathan >>> >>> _______________________________________________ >>> LLVM Developers mailing list >>> LLVMdev at cs.uiuc.edu http://llvm.cs.uiuc.edu >>> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev >>> >> >> _______________________________________________ >> LLVM Developers mailing list >> LLVMdev at cs.uiuc.edu http://llvm.cs.uiuc.edu >> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev >-------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20130406/1f376da8/attachment.html>
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