Author: jhibbits Date: Tue Nov 18 00:17:20 2014 New Revision: 222227 URL: http://llvm.org/viewvc/llvm-project?rev=222227&view=rev Log: Add PIC-level support to Clang.
Summary: This distinguishes between -fpic and -fPIC now, with the additions in LLVM for PIC level support. Test Plan: No regressions Reviewers: echristo, rafael Reviewed By: rafael Subscribers: rnk, emaste, llvm-commits Differential Revision: http://reviews.llvm.org/D5400 Added: cfe/trunk/test/CodeGen/piclevels.c Modified: cfe/trunk/lib/CodeGen/CodeGenModule.cpp Modified: cfe/trunk/lib/CodeGen/CodeGenModule.cpp URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CodeGenModule.cpp?rev=222227&r1=222226&r2=222227&view=diff ============================================================================== --- cfe/trunk/lib/CodeGen/CodeGenModule.cpp (original) +++ cfe/trunk/lib/CodeGen/CodeGenModule.cpp Tue Nov 18 00:17:20 2014 @@ -391,6 +391,18 @@ void CodeGenModule::Release() { getModule().addModuleFlag(llvm::Module::Error, "min_enum_size", EnumWidth); } + if (uint32_t PLevel = Context.getLangOpts().PICLevel) { + llvm::PICLevel::Level PL = llvm::PICLevel::Default; + switch (PLevel) { + case 0: break; + case 1: PL = llvm::PICLevel::Small; break; + case 2: PL = llvm::PICLevel::Large; break; + default: llvm_unreachable("Invalid PIC Level"); + } + + getModule().setPICLevel(PL); + } + SimplifyPersonality(); if (getCodeGenOpts().EmitDeclMetadata) Added: cfe/trunk/test/CodeGen/piclevels.c URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/piclevels.c?rev=222227&view=auto ============================================================================== --- cfe/trunk/test/CodeGen/piclevels.c (added) +++ cfe/trunk/test/CodeGen/piclevels.c Tue Nov 18 00:17:20 2014 @@ -0,0 +1,7 @@ +// RUN: %clang_cc1 -emit-llvm -pic-level 2 %s -o - | FileCheck %s -check-prefix=CHECK-BIGPIC +// RUN: %clang_cc1 -emit-llvm -pic-level 1 %s -o - | FileCheck %s -check-prefix=CHECK-SMALLPIC + +// CHECK-BIGPIC: !llvm.module.flags = !{{{.*}}} +// CHECK-BIGPIC: !{{[0-9]+}} = metadata !{i32 1, metadata !"PIC Level", i32 2} +// CHECK-SMALLPIC: !llvm.module.flags = !{{{.*}}} +// CHECK-SMALLPIC: !{{[0-9]+}} = metadata !{i32 1, metadata !"PIC Level", i32 1} _______________________________________________ cfe-commits mailing list [email protected] http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits
