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authorBill Wendling <isanbard@gmail.com>2008-01-04 08:11:03 +0000
committerBill Wendling <isanbard@gmail.com>2008-01-04 08:11:03 +0000
commitcc8f603f531c906782e4966107ae29667eb6632c (patch)
tree255778e386e2ea42d281ea5258bfff859f296a37 /lib/CodeGen/LLVMTargetMachine.cpp
parentb082c6f5d9ee0b70e0ce67a8e26dd0955a034599 (diff)
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Move option to enable machine LICM into LLVMTargetMachine.cpp.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45572 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/LLVMTargetMachine.cpp')
-rw-r--r--lib/CodeGen/LLVMTargetMachine.cpp11
1 files changed, 8 insertions, 3 deletions
diff --git a/lib/CodeGen/LLVMTargetMachine.cpp b/lib/CodeGen/LLVMTargetMachine.cpp
index 6a8e775..15c1d67 100644
--- a/lib/CodeGen/LLVMTargetMachine.cpp
+++ b/lib/CodeGen/LLVMTargetMachine.cpp
@@ -33,7 +33,10 @@ static cl::opt<bool> PrintEmittedAsm("print-emitted-asm", cl::Hidden,
static cl::opt<bool>
EnableSinking("enable-sinking", cl::init(false), cl::Hidden,
cl::desc("Perform sinking on machine code"));
-
+static cl::opt<bool>
+PerformLICM("machine-licm",
+ cl::init(false), cl::Hidden,
+ cl::desc("Perform loop-invariant code motion on machine code"));
FileModel::Model
LLVMTargetMachine::addPassesToEmitFile(FunctionPassManager &PM,
@@ -73,7 +76,8 @@ LLVMTargetMachine::addPassesToEmitFile(FunctionPassManager &PM,
if (PrintMachineCode)
PM.add(createMachineFunctionPrinterPass(cerr));
- PM.add(createMachineLICMPass());
+ if (PerformLICM)
+ PM.add(createMachineLICMPass());
if (EnableSinking)
PM.add(createMachineSinkingPass());
@@ -187,7 +191,8 @@ bool LLVMTargetMachine::addPassesToEmitMachineCode(FunctionPassManager &PM,
if (PrintMachineCode)
PM.add(createMachineFunctionPrinterPass(cerr));
- PM.add(createMachineLICMPass());
+ if (PerformLICM)
+ PM.add(createMachineLICMPass());
// Perform register allocation to convert to a concrete x86 representation
PM.add(createRegisterAllocator());