Author: niravd Date: Fri Mar 17 19:43:39 2017 New Revision: 298177 URL: http://llvm.org/viewvc/llvm-project?rev=298177&view=rev Log: [X86] Add NumRegisterParameters Module Flag.
Reviewers: rnk, mkuper Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D27051 Added: cfe/trunk/test/CodeGen/pr3997.c Modified: cfe/trunk/lib/CodeGen/CodeGenModule.cpp cfe/trunk/test/Headers/altivec-header.c Modified: cfe/trunk/lib/CodeGen/CodeGenModule.cpp URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CodeGenModule.cpp?rev=298177&r1=298176&r2=298177&view=diff ============================================================================== --- cfe/trunk/lib/CodeGen/CodeGenModule.cpp (original) +++ cfe/trunk/lib/CodeGen/CodeGenModule.cpp Fri Mar 17 19:43:39 2017 @@ -159,6 +159,12 @@ CodeGenModule::CodeGenModule(ASTContext // CoverageMappingModuleGen object. if (CodeGenOpts.CoverageMapping) CoverageMapping.reset(new CoverageMappingModuleGen(*this, *CoverageInfo)); + + // Record mregparm value now so it is visible through rest of codegen. + if (Context.getTargetInfo().getTriple().getArch() == llvm::Triple::x86) + getModule().addModuleFlag(llvm::Module::Error, "NumRegisterParameters", + CodeGenOpts.NumRegisterParameters); + } CodeGenModule::~CodeGenModule() {} @@ -416,6 +422,7 @@ void CodeGenModule::Release() { (Context.getLangOpts().Modules || !LinkerOptionsMetadata.empty())) { EmitModuleLinkOptions(); } + if (CodeGenOpts.DwarfVersion) { // We actually want the latest version when there are conflicts. // We can change from Warning to Latest if such mode is supported. Added: cfe/trunk/test/CodeGen/pr3997.c URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/pr3997.c?rev=298177&view=auto ============================================================================== --- cfe/trunk/test/CodeGen/pr3997.c (added) +++ cfe/trunk/test/CodeGen/pr3997.c Fri Mar 17 19:43:39 2017 @@ -0,0 +1,13 @@ +// RUN: %clang_cc1 %s -triple i386-unknown-linux-gnu -mregparm 3 -emit-llvm -o - | FileCheck %s + +void *memcpy(void *dest, const void *src, unsigned int n); + +void use_builtin_memcpy(void *dest, const void *src, unsigned int n) { + __builtin_memcpy(dest, src, n); +} + +void use_memcpy(void *dest, const void *src, unsigned int n) { + memcpy(dest, src, n); +} + +//CHECK: !{i32 1, !"NumRegisterParameters", i32 3} Modified: cfe/trunk/test/Headers/altivec-header.c URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Headers/altivec-header.c?rev=298177&r1=298176&r2=298177&view=diff ============================================================================== --- cfe/trunk/test/Headers/altivec-header.c (original) +++ cfe/trunk/test/Headers/altivec-header.c Fri Mar 17 19:43:39 2017 @@ -9,4 +9,4 @@ // CHECK: target triple = "powerpc64- // CHECK-NEXT: {{^$}} -// CHECK-NEXT: llvm.ident +// CHECK-NEXT: {{llvm\..*}} _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
