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StructurizeCFG: Add dependency on LowerSwitch pass

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Switch instructions were crashing the StructurizeCFG pass, and it's
probably easier anyway if we don't need to handle them in this pass.

Reviewed-by: Christian König <christian.koenig@amd.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191841 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tom Stellard
2013-10-02 17:04:59 +00:00
parent ea246d6af8
commit af7ae9d689
2 changed files with 26 additions and 1 deletions
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4
lib/Transforms/Scalar/StructurizeCFG.cpp
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@ -231,7 +231,7 @@ public:
StructurizeCFG() :
RegionPass(ID) {
initializeRegionInfoPass(*PassRegistry::getPassRegistry());
initializeStructurizeCFGPass(*PassRegistry::getPassRegistry());
}
using Pass::doInitialization;
@ -244,6 +244,7 @@ public:
}
void getAnalysisUsage(AnalysisUsage &AU) const {
AU.addRequiredID(LowerSwitchID);
AU.addRequired<DominatorTree>();
AU.addPreserved<DominatorTree>();
RegionPass::getAnalysisUsage(AU);
@ -256,6 +257,7 @@ char StructurizeCFG::ID = 0;
INITIALIZE_PASS_BEGIN(StructurizeCFG, "structurizecfg", "Structurize the CFG",
false, false)
INITIALIZE_PASS_DEPENDENCY(LowerSwitch)
INITIALIZE_PASS_DEPENDENCY(DominatorTree)
INITIALIZE_PASS_DEPENDENCY(RegionInfo)
INITIALIZE_PASS_END(StructurizeCFG, "structurizecfg", "Structurize the CFG",