6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-06-25 00:24:26 +00:00
Code Issues Projects Releases Wiki Activity

revert r102831. We already delete dead readonly calls in

Browse Source 
other places, killing a valid transformation is not the right
answer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102850 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2010-05-01 17:19:38 +00:00
parent d014761c93
commit 83f66fe614
2 changed files with 2 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
lib/Transforms/IPO/Inliner.cpp
View File

@ -33,8 +33,7 @@
using namespace llvm;
STATISTIC(NumInlined, "Number of functions inlined");
// FIXME: Uncomment once call deletion xform is made safe
// STATISTIC(NumCallsDeleted, "Number of call sites deleted, not inlined");
STATISTIC(NumCallsDeleted, "Number of call sites deleted, not inlined");
STATISTIC(NumDeleted, "Number of functions deleted because all callers found");
STATISTIC(NumMergedAllocas, "Number of allocas merged together");
@ -383,9 +382,6 @@ bool Inliner::runOnSCC(CallGraphSCC &SCC) {
Function *Caller = CS.getCaller();
Function *Callee = CS.getCalledFunction();
// FIXME: This transformation is not legal unless we can prove
// that the callee always terminates.
#if 0
// If this call site is dead and it is to a readonly function, we should
// just delete the call instead of trying to inline it, regardless of
// size. This happens because IPSCCP propagates the result out of the
@ -400,7 +396,6 @@ bool Inliner::runOnSCC(CallGraphSCC &SCC) {
// Update the cached cost info with the missing call
growCachedCostInfo(Caller, NULL);
} else {
#endif
// We can only inline direct calls to non-declarations.
if (Callee == 0 || Callee->isDeclaration()) continue;
@ -442,9 +437,7 @@ bool Inliner::runOnSCC(CallGraphSCC &SCC) {
// Update the cached cost info with the inlined call.
growCachedCostInfo(Caller, Callee);
#if 0
}
#endif
// If we inlined or deleted the last possible call site to the function,
// delete the function body now.