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...ind out how to assign a constant integer value to the variable in llvm ir. The following returns 12, and %var2 = 12. ; ModuleID = 't.c' target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" target triple = "x86_64-pc-linux-gnu" define i32 @test() nounwind readnone { %var1 = xor i32 0, 0 %var2 = add i32 %var1, 12 ret i32 %var2 } Why can't I do?: ; ModuleID = 't.c' target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-...

...and there respective file are $ cat enum.c int main() { enum type{one=1,two,three} s; s = one; return s; } $ cat enum.s ; ModuleID = 'enum.c' target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32-S32" target triple = "i386-pc-cygwin" define i32 @main() nounwind { %1 = alloca i32, align 4 %s = alloca i32, align 4 store i32 0, i32* %1 store i32 1, i32* %s, align 4 %2 = load i32* %s, align 4 ret i32 %2 } *Question :* Why there is extra 4 bytes on stack i.e...

...NNj4RXajV5kCauaApra+xcnUMzCpPy7qCzDg0Kt+A2G6SBdlNwQs9x+Wfsps= =5zc8 -----END PGP SIGNATURE----- ------------------------------------------------------------------------------ Nokia and AT&T present the 2010 Calling All Innovators-North America contest Create new apps & games for the Nokia N8 for consumers in U.S. and Canada $10 million total in prizes - $4M cash, 500 devices, nearly $6M in marketing Develop with Nokia Qt SDK, Web Runtime, or Java and Publish to Ovi Store http://p.sf.net/sfu/nokia-dev2dev

...uble *) a); *(x+1) = * ((double *) &a[a[0]-2]); } I use generate LLVM code using my own front-end that looks like: ; ModuleID = 'jb.c' target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32" target triple = "i386-pc-linux-gnu" define void @t2(double* %x) { L.entry: %a = alloca [2 x i64], align 4 %x.addr = alloca double* store double* %x, double** %x.addr %0 = bitcast [2 x i64]* %a to i64* store i64 3, i64* %0 %1 = getelementptr [2 x i64]*...

...main() > { >  enum type{one=1,two,three} s; >  s = one; >  return s; > } > > $ cat enum.s > ; ModuleID = 'enum.c' > target datalayout = > "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32-S32" > target triple = "i386-pc-cygwin" > > define i32 @main() nounwind { >   %1 = alloca i32, align 4 >   %s = alloca i32, align 4 >   store i32 0, i32* %1 >   store i32 1, i32* %s, align 4 >   %2 = load i32* %s, align 4 >   ret i32 %2 > } > &g...

...the GDB JIT Interface, I switched the format of the in-memory object files to ELF. I thought this target triple should do:   Triple TT;   TT.setTriple(sys::getProcessTriple());   TT.setObjectFormat(llvm::Triple::ELF); But Clang exits with an error:   backend data layout 'e-m:e-i64:64-f80:128-n8:16:32:64-S128'   does not match expectedtarget description   'e-m:o-i64:64-f80:128-n8:16:32:64-S128'   1 error generated. The target selection is a little tricky here and I wonder if it's on purpose or not. One solution is to add another line:   TT.setOS(llvm::Triple::UnknownOS);...

...; Index: X86Subtarget.h >> =================================================================== >> --- X86Subtarget.h (revision 93111) >> +++ X86Subtarget.h (working copy) >> @@ -169,7 +169,7 @@ >> p = "e-p:64:64-s:64-f64:64:64-i64:64:64-f80:128:128-n8:16:32:64"; >> else if (isTargetDarwin()) >> p = "e-p:32:32-f64:32:64-i64:32:64-f80:128:128-n8:16:32"; >> - else if (isTargetCygMing() || isTargetWindows()) >> + else if (isTargetWindows()) >> p = "e-p:32:32-f64:64:64-i64:64:64-...

...gt; > typedef int fn(int); > > int test(fn f, int val){ > return f(val); > } > > ----------- > > Compiled with: clang callfuncptr.c -O -S -emit-llvm -o callfuncptr.ll > > ; ModuleID = 'callfuncptr.c' > > target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" > > target triple = "x86_64-apple-macosx10.10.0" > > > ; Function Attrs: nounwind ssp uwtable > > define i32 @test(i32 (i32)* nocapture %f, i32 %val) #0 { > > %1 = tail call i32 %f(i32 %val) #1 > > ret i32 %1 > > } > > -...

...nt integer value to > the variable in llvm ir. > > The following returns 12, and %var2 = 12. > ; ModuleID = 't.c' > target datalayout = > "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" > target triple = "x86_64-pc-linux-gnu" > > define i32 @test() nounwind readnone { > %var1 = xor i32 0, 0 > %var2 = add i32 %var1, 12 > ret i32 %var2 > } > > Why can't I do?: > ; ModuleID = 't.c' > target datalayout = &...

...ant integer value to > the variable in llvm ir. > > The following returns 12, and %var2 = 12. > ; ModuleID = 't.c' > target datalayout = > "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" > target triple = "x86_64-pc-linux-gnu" > > define i32 @test() nounwind readnone { > %var1 = xor i32 0, 0 > %var2 = add i32 %var1, 12 > ret i32 %var2 > } > > Why can't I do?: > ; ModuleID = 't.c' > target datalayout =...

...*) &a[a[0]-2]); > } > > I use generate LLVM code using my own front-end that looks like: > > > ; ModuleID = 'jb.c' > target datalayout = > "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32" > target triple = "i386-pc-linux-gnu" > define void @t2(double* %x) { > L.entry: > %a = alloca [2 x i64], align 4 > > %x.addr = alloca double* > store double* %x, double** %x.addr > %0 = bitcast [2 x i64]* %a to i64* > store...

...t; > I use generate LLVM code using my own front-end that looks like: > > > > > > ; ModuleID = 'jb.c' > > target datalayout = > > > "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32" > > target triple = "i386-pc-linux-gnu" > > define void @t2(double* %x) { > > L.entry: > > %a = alloca [2 x i64], align 4 > > > > %x.addr = alloca double* > > store double* %x, double** %x.addr > > %0 = bitcas...

...et: x86_64-redhat-linux Thread model: posix InstalledDir: /opt/llvm-svn/bin $ /opt/llvm-svn/bin/clang -Xclang -disable-O0-optnone -S -emit-llvm hello.c -o hello2.ll $ cat hello2.ll ; ModuleID = 'hello.c' source_filename = "hello.c" target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" @.str = private unnamed_addr constant [4 x i8] c"%d\0A\00", align 1 ; Function Attrs: noinline nounwind uwtable define void @foo() #0 { entry:   ret void } ; Function Attrs: noinline nounwind uwtable define i32 @...

I am getting an assertion firing while building TOT llvm-gcc on Cygwin in libgcc2.c :- /home/ang/build/llvm-gcc/./gcc/xgcc -B/home/ang/build/llvm-gcc/./gcc/ -B/home/an g/llvm-gcc/i686-pc-cygwin/bin/ -B/home/ang/llvm-gcc/i686-pc-cygwin/lib/ -isystem /home/ang/llvm-gcc/i686-pc-cygwin/include -isystem /home/ang/llvm-gcc/i686-pc-c ygwin/sys-include -O2

...the variable in llvm ir. > > > > The following returns 12, and %var2 = 12. > > ; ModuleID = 't.c' > > target datalayout = > > "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" > > target triple = "x86_64-pc-linux-gnu" > > > > define i32 @test() nounwind readnone { > > %var1 = xor i32 0, 0 > > %var2 = add i32 %var1, 12 > > ret i32 %var2 > > } > > > > Why can't I do?: > > ;...

Hi, I'm trying to do a proof of concept of compiling some code down to a very simple runtime that doesn't provide support for zeroinitialize. If I run the below code through llc: ; ModuleID = '.\t.bc' target datalayout = "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32" target triple = "i686-pc-windows-gnu" @_ZN3Foo11ZeroAndZeroE = global [2 x i32] [i32 0, i32 0], align 4 !llvm.ident = !{!0} !0 = !{!"clang version 3.6.0 (tags/RELEASE_360/final)"} It turns into this: ; ModuleID = '.\t.ll' target datalayout = "e-...

...-S -emit-llvm -O3 mangling.cpp -o - -Xclang -cxx-abi -Xclang microsoft >> ; ModuleID = 'mangling.cpp' >> target datalayout = >> "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f80:128:128-v64:64:64- >> v128:128:128-a0:0:64-f80:32:32-n8:16:32-S32" >> target triple = "i686-pc-win32" >> >> define i32 @"?heyimacxxfunction@@YAHXZ"() nounwind readnone { >> entry: >> ret i32 42 >> } >> >> Note the ?heyimacxxfunction@@YAHXZ. Now if I generate assembly (using >&...

I'm having a problem of being unable to call into an arbitrary function that is loaded into memory whose pointer address is known to me but was not linked into LLVM. I have added the function and called LLVMAddGlobalMapping with the pointer, and the program segfaults. I was wondering if it is a supported scenario that LLVM can generate a call into an arbitrary function that is not linked.

...n/bin >> >> $ /opt/llvm-svn/bin/clang -Xclang -disable-O0-optnone -S -emit-llvm >> hello.c -o hello2.ll >> >> $ cat hello2.ll >> ; ModuleID = 'hello.c' >> source_filename = "hello.c" >> target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" >> target triple = "x86_64-unknown-linux-gnu" >> >> @.str = private unnamed_addr constant [4 x i8] c"%d\0A\00", align 1 >> >> ; Function Attrs: noinline nounwind uwtable >> define void @foo() #0 { >> entry: >>  ...

...n the following llvm-ir: $ clang++ -S -emit-llvm -O3 mangling.cpp -o - -Xclang -cxx-abi -Xclang microsoft ; ModuleID = 'mangling.cpp' target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f80:128:128-v64:64:64- v128:128:128-a0:0:64-f80:32:32-n8:16:32-S32" target triple = "i686-pc-win32" define i32 @"?heyimacxxfunction@@YAHXZ"() nounwind readnone { entry: ret i32 42 } Note the ?heyimacxxfunction@@YAHXZ. Now if I generate assembly (using clang or llc) I get: $ clang++ -S -O3 mangling.cpp -o - -Xclang -cxx-abi -...