Author: pcc Date: Fri Dec 16 16:10:52 2016 New Revision: 289996 URL: http://llvm.org/viewvc/llvm-project?rev=289996&view=rev Log: IRGen: Fix assertion failure when creating debug info for an integer constant wider than 64 bits.
Added: cfe/trunk/test/CodeGen/dbg-const-int128.c Modified: cfe/trunk/lib/CodeGen/CGDebugInfo.cpp Modified: cfe/trunk/lib/CodeGen/CGDebugInfo.cpp URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGDebugInfo.cpp?rev=289996&r1=289995&r2=289996&view=diff ============================================================================== --- cfe/trunk/lib/CodeGen/CGDebugInfo.cpp (original) +++ cfe/trunk/lib/CodeGen/CGDebugInfo.cpp Fri Dec 16 16:10:52 2016 @@ -3759,12 +3759,15 @@ void CGDebugInfo::EmitGlobalVariable(con if (GV) return; llvm::DIExpression *InitExpr = nullptr; - if (Init.isInt()) - InitExpr = - DBuilder.createConstantValueExpression(Init.getInt().getExtValue()); - else if (Init.isFloat() && CGM.getContext().getTypeSize(VD->getType()) <= 64) - InitExpr = DBuilder.createConstantValueExpression( - Init.getFloat().bitcastToAPInt().getZExtValue()); + if (CGM.getContext().getTypeSize(VD->getType()) <= 64) { + // FIXME: Add a representation for integer constants wider than 64 bits. + if (Init.isInt()) + InitExpr = + DBuilder.createConstantValueExpression(Init.getInt().getExtValue()); + else if (Init.isFloat()) + InitExpr = DBuilder.createConstantValueExpression( + Init.getFloat().bitcastToAPInt().getZExtValue()); + } GV.reset(DBuilder.createGlobalVariable( DContext, Name, StringRef(), Unit, getLineNumber(VD->getLocation()), Ty, true, InitExpr, getOrCreateStaticDataMemberDeclarationOrNull(VarD), Added: cfe/trunk/test/CodeGen/dbg-const-int128.c URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/dbg-const-int128.c?rev=289996&view=auto ============================================================================== --- cfe/trunk/test/CodeGen/dbg-const-int128.c (added) +++ cfe/trunk/test/CodeGen/dbg-const-int128.c Fri Dec 16 16:10:52 2016 @@ -0,0 +1,8 @@ +// RUN: %clang_cc1 -S -emit-llvm -debug-info-kind=limited %s -o - | FileCheck %s +// CHECK: !DIGlobalVariable({{.*}} +// CHECK-NOT: expr: + +static const __uint128_t ro = 18446744073709551615; + +void bar(__uint128_t); +void foo() { bar(ro); } _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits