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Reland r229944: EH: Prune unreachable resume instructions during Dwarf EH preparation

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Fix the double-deletion of AnalysisResolver when delegating through to
Dwarf EH preparation by creating one from scratch. Hopefully the new
pass manager simplifies this.

This reverts commit r229952.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231719 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Kleckner
2015-03-09 22:45:16 +00:00
parent 9e065f52fc
commit 4c27f8d49e
9 changed files with 258 additions and 35 deletions
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23
include/llvm/CodeGen/Passes.h
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@@ -612,13 +612,13 @@ namespace llvm {
ModulePass *createForwardControlFlowIntegrityPass();
} // End llvm namespace
/// This initializer registers TargetMachine constructor, so the pass being
/// initialized can use target dependent interfaces. Please do not move this
/// macro to be together with INITIALIZE_PASS, which is a complete target
/// independent initializer, and we don't want to make libScalarOpts depend
/// on libCodeGen.
#define INITIALIZE_TM_PASS(passName, arg, name, cfg, analysis) \
static void* initialize##passName##PassOnce(PassRegistry &Registry) { \
/// Target machine pass initializer for passes with dependencies. Use with
/// INITIALIZE_TM_PASS_END.
#define INITIALIZE_TM_PASS_BEGIN INITIALIZE_PASS_BEGIN
/// Target machine pass initializer for passes with dependencies. Use with
/// INITIALIZE_TM_PASS_BEGIN.
#define INITIALIZE_TM_PASS_END(passName, arg, name, cfg, analysis) \
PassInfo *PI = new PassInfo(name, arg, & passName ::ID, \
PassInfo::NormalCtor_t(callDefaultCtor< passName >), cfg, analysis, \
PassInfo::TargetMachineCtor_t(callTargetMachineCtor< passName >)); \
@@ -629,4 +629,13 @@ namespace llvm {
CALL_ONCE_INITIALIZATION(initialize##passName##PassOnce) \
}
/// This initializer registers TargetMachine constructor, so the pass being
/// initialized can use target dependent interfaces. Please do not move this
/// macro to be together with INITIALIZE_PASS, which is a complete target
/// independent initializer, and we don't want to make libScalarOpts depend
/// on libCodeGen.
#define INITIALIZE_TM_PASS(passName, arg, name, cfg, analysis) \
INITIALIZE_TM_PASS_BEGIN(passName, arg, name, cfg, analysis) \
INITIALIZE_TM_PASS_END(passName, arg, name, cfg, analysis)
#endif