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author | Devang Patel <dpatel@apple.com> | 2009-04-15 00:17:06 +0000 |
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committer | Devang Patel <dpatel@apple.com> | 2009-04-15 00:17:06 +0000 |
commit | 517576d6f96a0acde9bab79553d89f4ceba20cf6 (patch) | |
tree | ab5c846b6eaa3fed369ecdbf96b01335d5d8e3e0 /lib/Transforms/Utils/CloneFunction.cpp | |
parent | d25bff6d528e86683f7c3aed1b630776c33a3c71 (diff) | |
download | llvm-517576d6f96a0acde9bab79553d89f4ceba20cf6.tar.gz llvm-517576d6f96a0acde9bab79553d89f4ceba20cf6.tar.bz2 llvm-517576d6f96a0acde9bab79553d89f4ceba20cf6.tar.xz |
While inlining, clone llvm.dbg.func.start intrinsic and adjust
llvm.dbg.region.end instrinsic. This nested llvm.dbg.func.start/llvm.dbg.region.end pair now enables DW_TAG_inlined_subroutine support in code generator.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69118 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Utils/CloneFunction.cpp')
-rw-r--r-- | lib/Transforms/Utils/CloneFunction.cpp | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/Transforms/Utils/CloneFunction.cpp b/lib/Transforms/Utils/CloneFunction.cpp index d7b4bd3fd6..d0fdefa3f6 100644 --- a/lib/Transforms/Utils/CloneFunction.cpp +++ b/lib/Transforms/Utils/CloneFunction.cpp @@ -24,6 +24,7 @@ #include "llvm/Support/Compiler.h" #include "llvm/Transforms/Utils/ValueMapper.h" #include "llvm/Analysis/ConstantFolding.h" +#include "llvm/Analysis/DebugInfo.h" #include "llvm/ADT/SmallVector.h" #include <map> using namespace llvm; @@ -233,10 +234,13 @@ void PruningFunctionCloner::CloneBlock(const BasicBlock *BB, continue; } - // Do not clone llvm.dbg.func.start and corresponding llvm.dbg.region.end. + // Do not clone llvm.dbg.region.end. It will be adjusted by the inliner. if (const DbgFuncStartInst *DFSI = dyn_cast<DbgFuncStartInst>(II)) { - DbgFnStart = DFSI->getSubprogram(); - continue; + if (DbgFnStart == NULL) { + DISubprogram SP(cast<GlobalVariable>(DFSI->getSubprogram())); + if (SP.describes(BB->getParent())) + DbgFnStart = DFSI->getSubprogram(); + } } if (const DbgRegionEndInst *DREIS = dyn_cast<DbgRegionEndInst>(II)) { if (DREIS->getContext() == DbgFnStart) |