From 0d1730a14c6f9e2723e79afe857d46c0c3793a0d Mon Sep 17 00:00:00 2001 From: Matthijs Kooijman Date: Tue, 15 Jul 2008 08:47:32 +0000 Subject: Fix indentation (intentionally left out of the previous commit). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53592 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Transforms/IPO/DeadArgumentElimination.cpp | 102 ++++++++++++------------- 1 file changed, 51 insertions(+), 51 deletions(-) (limited to 'lib/Transforms/IPO') diff --git a/lib/Transforms/IPO/DeadArgumentElimination.cpp b/lib/Transforms/IPO/DeadArgumentElimination.cpp index dbeb365ec1..c40d2640d7 100644 --- a/lib/Transforms/IPO/DeadArgumentElimination.cpp +++ b/lib/Transforms/IPO/DeadArgumentElimination.cpp @@ -423,64 +423,64 @@ void DAE::SurveyFunction(Function &F) { return; } - DOUT << "DAE - Inspecting callers for fn: " << F.getName() << "\n"; - // Keep track of the number of live retvals, so we can skip checks once all - // of them turn out to be live. - unsigned NumLiveRetVals = 0; - const Type *STy = dyn_cast(F.getReturnType()); - // Loop all uses of the function. - for (Value::use_iterator I = F.use_begin(), E = F.use_end(); I != E; ++I) { - // If the function is PASSED IN as an argument, its address has been - // taken. - if (I.getOperandNo() != 0) { - MarkLive(F); - return; - } + DOUT << "DAE - Inspecting callers for fn: " << F.getName() << "\n"; + // Keep track of the number of live retvals, so we can skip checks once all + // of them turn out to be live. + unsigned NumLiveRetVals = 0; + const Type *STy = dyn_cast(F.getReturnType()); + // Loop all uses of the function. + for (Value::use_iterator I = F.use_begin(), E = F.use_end(); I != E; ++I) { + // If the function is PASSED IN as an argument, its address has been + // taken. + if (I.getOperandNo() != 0) { + MarkLive(F); + return; + } - // If this use is anything other than a call site, the function is alive. - CallSite CS = CallSite::get(*I); - Instruction *TheCall = CS.getInstruction(); - if (!TheCall) { // Not a direct call site? - MarkLive(F); - return; - } + // If this use is anything other than a call site, the function is alive. + CallSite CS = CallSite::get(*I); + Instruction *TheCall = CS.getInstruction(); + if (!TheCall) { // Not a direct call site? + MarkLive(F); + return; + } - // If we end up here, we are looking at a direct call to our function. - - // Now, check how our return value(s) is/are used in this caller. Don't - // bother checking return values if all of them are live already. - if (NumLiveRetVals != RetCount) { - if (STy) { - // Check all uses of the return value. - for (Value::use_iterator I = TheCall->use_begin(), - E = TheCall->use_end(); I != E; ++I) { - ExtractValueInst *Ext = dyn_cast(*I); - if (Ext && Ext->hasIndices()) { - // This use uses a part of our return value, survey the uses of - // that part and store the results for this index only. - unsigned Idx = *Ext->idx_begin(); - if (RetValLiveness[Idx] != Live) { - RetValLiveness[Idx] = SurveyUses(Ext, MaybeLiveRetUses[Idx]); - if (RetValLiveness[Idx] == Live) - NumLiveRetVals++; - } - } else { - // Used by something else than extractvalue. Mark all return - // values as live. - for (unsigned i = 0; i != RetCount; ++i ) - RetValLiveness[i] = Live; - NumLiveRetVals = RetCount; - break; + // If we end up here, we are looking at a direct call to our function. + + // Now, check how our return value(s) is/are used in this caller. Don't + // bother checking return values if all of them are live already. + if (NumLiveRetVals != RetCount) { + if (STy) { + // Check all uses of the return value. + for (Value::use_iterator I = TheCall->use_begin(), + E = TheCall->use_end(); I != E; ++I) { + ExtractValueInst *Ext = dyn_cast(*I); + if (Ext && Ext->hasIndices()) { + // This use uses a part of our return value, survey the uses of + // that part and store the results for this index only. + unsigned Idx = *Ext->idx_begin(); + if (RetValLiveness[Idx] != Live) { + RetValLiveness[Idx] = SurveyUses(Ext, MaybeLiveRetUses[Idx]); + if (RetValLiveness[Idx] == Live) + NumLiveRetVals++; } - } - } else { - // Single return value - RetValLiveness[0] = SurveyUses(TheCall, MaybeLiveRetUses[0]); - if (RetValLiveness[0] == Live) + } else { + // Used by something else than extractvalue. Mark all return + // values as live. + for (unsigned i = 0; i != RetCount; ++i ) + RetValLiveness[i] = Live; NumLiveRetVals = RetCount; + break; + } } + } else { + // Single return value + RetValLiveness[0] = SurveyUses(TheCall, MaybeLiveRetUses[0]); + if (RetValLiveness[0] == Live) + NumLiveRetVals = RetCount; } } + } // Now we've inspected all callers, record the liveness of our return values. for (unsigned i = 0; i != RetCount; ++i) -- cgit v1.2.3