diff options
| author | Chris Lattner <sabre@nondot.org> | 2011-01-03 06:19:09 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2011-01-03 06:19:09 +0000 |
| commit | db5f5e64fe2a7266fe5ed126fa2e92e5c0f71833 (patch) | |
| tree | c6dfd0e15f224e3de8097f56de5423eb26575a50 | |
| parent | 99597067357dc1275845cf1cbd3e7e8bd242a7f3 (diff) | |
Turn on earlycse by default. This seems to be a small performance
improvement in the generated code, and speeds up 'opt -std-compile-opts'
compile time on 176.gcc from 24.84s to 23.2s (about 7%).
This also resolves a specific code quality issue in rdar://7352081 which
was generating poor code for:
int t(int a, int b) {
if (a & b & 1)
return a & b;
return 3;
}
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122740 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | include/llvm/Support/StandardPasses.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/llvm/Support/StandardPasses.h b/include/llvm/Support/StandardPasses.h index 7e32f1fbae..6a428e7b4d 100644 --- a/include/llvm/Support/StandardPasses.h +++ b/include/llvm/Support/StandardPasses.h @@ -129,9 +129,9 @@ namespace llvm { // Start of function pass. PM->add(createScalarReplAggregatesPass()); // Break up aggregate allocas + PM->add(createEarlyCSEPass()); // Catch trivial redundancies if (SimplifyLibCalls) PM->add(createSimplifyLibCallsPass()); // Library Call Optimizations - PM->add(createInstructionCombiningPass()); // Cleanup for scalarrepl. PM->add(createJumpThreadingPass()); // Thread jumps. PM->add(createCorrelatedValuePropagationPass()); // Propagate conditionals PM->add(createCFGSimplificationPass()); // Merge & remove BBs |