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[PM] Separate the TargetLibraryInfo object from the immutable pass.

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The pass is really just a means of accessing a cached instance of the
TargetLibraryInfo object, and this way we can re-use that object for the
new pass manager as its result.

Lots of delta, but nothing interesting happening here. This is the
common pattern that is developing to allow analyses to live in both the
old and new pass manager -- a wrapper pass in the old pass manager
emulates the separation intrinsic to the new pass manager between the
result and pass for analyses.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226157 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chandler Carruth
2015-01-15 10:41:28 +00:00
parent 06185e7f6b
commit eeeec3ce0d
37 changed files with 157 additions and 110 deletions
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6
tools/opt/opt.cpp
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@@ -401,12 +401,12 @@ int main(int argc, char **argv) {
PassManager Passes;
// Add an appropriate TargetLibraryInfo pass for the module's triple.
TargetLibraryInfo *TLI = new TargetLibraryInfo(Triple(M->getTargetTriple()));
TargetLibraryInfo TLI(Triple(M->getTargetTriple()));
// The -disable-simplify-libcalls flag actually disables all builtin optzns.
if (DisableSimplifyLibCalls)
TLI->disableAllFunctions();
Passes.add(TLI);
TLI.disableAllFunctions();
Passes.add(new TargetLibraryInfoWrapperPass(TLI));
// Add an appropriate DataLayout instance for this module.
const DataLayout *DL = M->getDataLayout();