From c4999d71e162bab8c38fe104554a3b81b4f08771 Mon Sep 17 00:00:00 2001 From: Devang Patel Date: Wed, 22 Jul 2009 18:23:44 +0000 Subject: [PATCH] Add replaceAllUsesWith() to FE replace debug info constructs while building complex types. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76765 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/llvm/Analysis/DebugInfo.h | 5 +++++ lib/Analysis/DebugInfo.cpp | 12 ++++++++++++ 2 files changed, 17 insertions(+) diff --git a/include/llvm/Analysis/DebugInfo.h b/include/llvm/Analysis/DebugInfo.h index 91046c2c866..39fe01d3428 100644 --- a/include/llvm/Analysis/DebugInfo.h +++ b/include/llvm/Analysis/DebugInfo.h @@ -253,6 +253,11 @@ namespace llvm { uint64_t getOriginalTypeSize() const; /// dump - print derived type. void dump() const; + + /// replaceAllUsesWith - Replace all uses of debug info referenced by + /// this descriptor. After this completes, the current debug info value + /// is erased. + void replaceAllUsesWith(DIDescriptor &D); }; /// DICompositeType - This descriptor holds a type that can refer to multiple diff --git a/lib/Analysis/DebugInfo.cpp b/lib/Analysis/DebugInfo.cpp index 437ff03b327..aa012ef8bcb 100644 --- a/lib/Analysis/DebugInfo.cpp +++ b/lib/Analysis/DebugInfo.cpp @@ -206,6 +206,18 @@ unsigned DIArray::getNumElements() const { return C->getNumOperands(); } +/// replaceAllUsesWith - Replace all uses of debug info referenced by +/// this descriptor. After this completes, the current debug info value +/// is erased. +void DIDerivedType::replaceAllUsesWith(DIDescriptor &D) { + if (isNull()) + return; + + assert (D.isNull() && "Can not replace with null"); + getGV()->replaceAllUsesWith(D.getGV()); + getGV()->eraseFromParent(); +} + /// Verify - Verify that a compile unit is well formed. bool DICompileUnit::Verify() const { if (isNull()) -- 2.34.1