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Now that -loop-idiom uses TargetLibraryInfo properly, it doesn't

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need to be pulled out of the pass manager when the user specifies 
-fno-builtin.  It can intelligently determine which libcalls to
optimize based on what is enabled in TargetLibraryInfo.  This 
allows -fno-builtin-foo to work someday.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125981 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2011-02-18 22:36:36 +00:00
parent e324f6e05f
commit 0160c8a8bc
1 changed files with 4 additions and 5 deletions
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9
include/llvm/Support/StandardPasses.h
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@ -67,7 +67,7 @@ namespace llvm {
bool OptimizeSize,
bool UnitAtATime,
bool UnrollLoops,
bool OptimizeBuiltins,
bool SimplifyLibCalls,
bool HaveExceptions,
Pass *InliningPass) {
createStandardAliasAnalysisPasses(PM);
@ -89,7 +89,7 @@ namespace llvm {
// Start of CallGraph SCC passes.
if (UnitAtATime && HaveExceptions)
PM->add(createPruneEHPass()); // Remove dead EH info
PM->add(createPruneEHPass()); // Remove dead EH info
if (InliningPass)
PM->add(InliningPass);
if (UnitAtATime)
@ -101,7 +101,7 @@ namespace llvm {
// Break up aggregate allocas, using SSAUpdater.
PM->add(createScalarReplAggregatesPass(-1, false));
PM->add(createEarlyCSEPass()); // Catch trivial redundancies
if (OptimizeBuiltins)
if (SimplifyLibCalls)
PM->add(createSimplifyLibCallsPass()); // Library Call Optimizations
PM->add(createJumpThreadingPass()); // Thread jumps.
PM->add(createCorrelatedValuePropagationPass()); // Propagate conditionals
@ -116,8 +116,7 @@ namespace llvm {
PM->add(createLoopUnswitchPass(OptimizeSize || OptimizationLevel < 3));
PM->add(createInstructionCombiningPass());
PM->add(createIndVarSimplifyPass()); // Canonicalize indvars
if (OptimizeBuiltins)
PM->add(createLoopIdiomPass()); // Recognize idioms like memset.
PM->add(createLoopIdiomPass()); // Recognize idioms like memset.
PM->add(createLoopDeletionPass()); // Delete dead loops
if (UnrollLoops)
PM->add(createLoopUnrollPass()); // Unroll small loops