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Emit exception handling info for functions which are

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not marked nounwind, or for all functions when -enable-eh
is set, provided the target supports Dwarf EH.

llvm-gcc generates nounwind in the right places; other FEs
will need to do so also.  Given such a FE, -enable-eh should
no longer be needed.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49006 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dale Johannesen
2008-03-31 23:40:23 +00:00
parent 1d3863fdbc
commit 1544e4713b
8 changed files with 49 additions and 25 deletions
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6
lib/CodeGen/LLVMTargetMachine.cpp
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@@ -66,8 +66,7 @@ LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
PM.add(createGCLoweringPass());
if (!ExceptionHandling)
PM.add(createLowerInvokePass(getTargetLowering()));
PM.add(createLowerInvokePass(getTargetLowering()));
// Make sure that no unreachable blocks are instruction selected.
PM.add(createUnreachableBlockEliminationPass());
@@ -192,8 +191,7 @@ bool LLVMTargetMachine::addPassesToEmitMachineCode(PassManagerBase &PM,
PM.add(createGCLoweringPass());
if (!ExceptionHandling)
PM.add(createLowerInvokePass(getTargetLowering()));
PM.add(createLowerInvokePass(getTargetLowering()));
// Make sure that no unreachable blocks are instruction selected.
PM.add(createUnreachableBlockEliminationPass());