[cfe-commits] r139041 - in /cfe/trunk: lib/CodeGen/CGExprComplex.cpp test/CodeGen/capture-complex-expr-in-block.c

[Eli Friedman]

On Fri, Sep 2, 2011 at 2:33 PM, Fariborz Jahanian <fjahanian at apple.com> wrote:
> Author: fjahanian
> Date: Fri Sep  2 16:33:44 2011
> New Revision: 139041
>
> URL: http://llvm.org/viewvc/llvm-project?rev=139041&view=rev
> Log:
> blocks: Support capturing complex variable in block.
> // rdar://10033896
>
> Added:
>    cfe/trunk/test/CodeGen/capture-complex-expr-in-block.c
> Modified:
>    cfe/trunk/lib/CodeGen/CGExprComplex.cpp
>
> Modified: cfe/trunk/lib/CodeGen/CGExprComplex.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGExprComplex.cpp?rev=139041&r1=139040&r2=139041&view=diff
> ==============================================================================
> --- cfe/trunk/lib/CodeGen/CGExprComplex.cpp (original)
> +++ cfe/trunk/lib/CodeGen/CGExprComplex.cpp Fri Sep  2 16:33:44 2011
> @@ -119,6 +119,7 @@
>
>   // l-values.
>   ComplexPairTy VisitDeclRefExpr(const Expr *E) { return EmitLoadOfLValue(E); }
> +  ComplexPairTy VisitBlockDeclRefExpr(const Expr *E) { return EmitLoadOfLValue(E); }
>   ComplexPairTy VisitObjCIvarRefExpr(ObjCIvarRefExpr *E) {
>     return EmitLoadOfLValue(E);
>   }
>
> Added: cfe/trunk/test/CodeGen/capture-complex-expr-in-block.c
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/capture-complex-expr-in-block.c?rev=139041&view=auto
> ==============================================================================
> --- cfe/trunk/test/CodeGen/capture-complex-expr-in-block.c (added)
> +++ cfe/trunk/test/CodeGen/capture-complex-expr-in-block.c Fri Sep  2 16:33:44 2011
> @@ -0,0 +1,20 @@
> +// RUN: %clang_cc1 %s -emit-llvm -o - -fblocks -triple x86_64-apple-darwin10 | FileCheck %s
> +// rdar://10033986
> +
> +typedef void (^BLOCK)(void);
> +int main ()
> +{
> +    _Complex double c;
> +    BLOCK b =  ^() {
> +      _Complex double z;
> +      z = z + c;
> +    };
> +    b();
> +}
> +
> +// CHECK: define internal void @__main_block_invoke_0
> +// CHECK:  [[C1:%.*]] = alloca { double, double }, align 8
> +// CHECK:  [[C1]].realp = getelementptr inbounds { double, double }* [[C1]], i32 0, i32 0
> +// CHECK-NEXT:  [[C1]].real = load double* [[C1]].realp
> +// CHECK-NEXT:  [[C1]].imagp = getelementptr inbounds { double, double }* [[C1]], i32 0, i32 1
> +// CHECK-NEXT:  [[C1]].imag = load double* [[C1]].imagp

These checks will fail on a Release build.

-Eli