From 4dd7d3e34d5c581c3970f7baf940ca349c24e34e Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Fri, 6 Sep 2002 18:41:33 +0000 Subject: [PATCH] * No longer need to run die after instcombine * Run new correlated expressions pass * Simplify the CFG (removing dead blocks, merging blocks, eliminating branches on constant booleans, etc) after correlated exprs pass. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3598 91177308-0d34-0410-b5e6-96231b3b80d8 --- tools/gccas/gccas.cpp | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/tools/gccas/gccas.cpp b/tools/gccas/gccas.cpp index 92f1bfa0bcb..f66432899ac 100644 --- a/tools/gccas/gccas.cpp +++ b/tools/gccas/gccas.cpp @@ -86,7 +86,9 @@ void AddConfiguredTransformationPasses(PassManager &PM) { // Disabling until this is fixed -- Vikram, 7/7/02. // addPass(PM, createReassociatePass()); // Reassociate expressions addPass(PM, createInstructionCombiningPass()); // Combine silly seq's - addPass(PM, createDeadInstEliminationPass()); // Kill InstCombine remnants + addPass(PM, createCorrelatedExpressionEliminationPass()); + addPass(PM, createInstructionCombiningPass()); // Combine silly seq's + addPass(PM, createCFGSimplificationPass()); // Merge & remove BBs addPass(PM, createLICMPass()); // Hoist loop invariants addPass(PM, createLoadValueNumberingPass()); // GVN for load instructions addPass(PM, createGCSEPass()); // Remove common subexprs @@ -95,8 +97,8 @@ void AddConfiguredTransformationPasses(PassManager &PM) { // Run instcombine after redundancy elimination to exploit opportunities // opened up by them. addPass(PM, createInstructionCombiningPass()); - addPass(PM, createAggressiveDCEPass()); // SSA based 'Agressive DCE' - addPass(PM, createCFGSimplificationPass()); // Merge & remove BBs + addPass(PM, createAggressiveDCEPass()); // SSA based 'Agressive DCE' + addPass(PM, createCFGSimplificationPass()); // Merge & remove BBs } -- 2.34.1