Author: CarlosAlbertoEnciso Date: Mon Mar 26 06:48:03 2018 New Revision: 328494
URL: http://llvm.org/viewvc/llvm-project?rev=328494&view=rev Log: [SemaCXX] _Pragma("clang optimize off") not affecting lambda. Declaring "_Pragma("clang optimize off")" before the body of a function with a lambda leads to the lambda functions in the body not being affected. Differential Revision: https://reviews.llvm.org/D43821 Added: cfe/trunk/test/CodeGenCXX/optnone-pragma-optimize-off.cpp Modified: cfe/trunk/lib/Sema/SemaLambda.cpp Modified: cfe/trunk/lib/Sema/SemaLambda.cpp URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaLambda.cpp?rev=328494&r1=328493&r2=328494&view=diff ============================================================================== --- cfe/trunk/lib/Sema/SemaLambda.cpp (original) +++ cfe/trunk/lib/Sema/SemaLambda.cpp Mon Mar 26 06:48:03 2018 @@ -904,6 +904,10 @@ void Sema::ActOnStartOfLambdaDefinition( ParamInfo.getDeclSpec().isConstexprSpecified()); if (ExplicitParams) CheckCXXDefaultArguments(Method); + + // This represents the function body for the lambda function, check if we + // have to apply optnone due to a pragma. + AddRangeBasedOptnone(Method); // Attributes on the lambda apply to the method. ProcessDeclAttributes(CurScope, Method, ParamInfo); Added: cfe/trunk/test/CodeGenCXX/optnone-pragma-optimize-off.cpp URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCXX/optnone-pragma-optimize-off.cpp?rev=328494&view=auto ============================================================================== --- cfe/trunk/test/CodeGenCXX/optnone-pragma-optimize-off.cpp (added) +++ cfe/trunk/test/CodeGenCXX/optnone-pragma-optimize-off.cpp Mon Mar 26 06:48:03 2018 @@ -0,0 +1,16 @@ +// RUN: %clang_cc1 %s -triple %itanium_abi_triple -O1 -disable-llvm-passes -emit-llvm -o - | FileCheck %s + +// Test the attributes for the lambda function contains 'optnone' as result of +// the _Pragma("clang optimize off"). + +_Pragma("clang optimize off") + +void foo(int p) { + auto lambda = [&p]() { ++p; }; + lambda(); + // CHECK: define {{.*}} @"_ZZ3fooiENK3$_0clEv"({{.*}}) #[[LAMBDA_ATR:[0-9]+]] +} + +_Pragma("clang optimize on") + +// CHECK: attributes #[[LAMBDA_ATR]] = { {{.*}} optnone {{.*}} } \ No newline at end of file _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
