Changes in directory llvm/lib/CodeGen:
LLVMTargetMachine.cpp updated: 1.11 -> 1.12
---
Log message:
move a bunch of code out of the sdisel pass into its own opt pass
"codegenprepare".
---
Diffs of the changes: (+20 -2)
LLVMTargetMachine.cpp | 22 ++++++++++++++++++++--
1 files changed, 20 insertions(+), 2 deletions(-)
Index: llvm/lib/CodeGen/LLVMTargetMachine.cpp
diff -u llvm/lib/CodeGen/LLVMTargetMachine.cpp:1.11
llvm/lib/CodeGen/LLVMTargetMachine.cpp:1.12
--- llvm/lib/CodeGen/LLVMTargetMachine.cpp:1.11 Fri Mar 30 19:24:43 2007
+++ llvm/lib/CodeGen/LLVMTargetMachine.cpp Fri Mar 30 23:18:03 2007
@@ -23,7 +23,7 @@
using namespace llvm;
static cl::opt<bool> PrintLSR("print-lsr-output");
-
+static cl::opt<bool> PrintISelInput("print-isel-input");
FileModel::Model
LLVMTargetMachine::addPassesToEmitFile(FunctionPassManager &PM,
std::ostream &Out,
@@ -48,6 +48,13 @@
// Make sure that no unreachable blocks are instruction selected.
PM.add(createUnreachableBlockEliminationPass());
+ if (!Fast)
+ PM.add(createCodeGenPreparePass(getTargetLowering()));
+
+ if (PrintISelInput)
+ PM.add(new PrintFunctionPass("\n\n*** Final LLVM Code input to ISel ***
\n",
+ &cerr));
+
// Ask the target for an isel.
if (addInstSelector(PM, Fast))
return FileModel::Error;
@@ -126,7 +133,11 @@
// Standard LLVM-Level Passes.
// Run loop strength reduction before anything else.
- if (!Fast) PM.add(createLoopStrengthReducePass(getTargetLowering()));
+ if (!Fast) {
+ PM.add(createLoopStrengthReducePass(getTargetLowering()));
+ if (PrintLSR)
+ PM.add(new PrintFunctionPass("\n\n*** Code after LSR *** \n", &cerr));
+ }
// FIXME: Implement efficient support for garbage collection intrinsics.
PM.add(createLowerGCPass());
@@ -137,6 +148,13 @@
// Make sure that no unreachable blocks are instruction selected.
PM.add(createUnreachableBlockEliminationPass());
+ if (!Fast)
+ PM.add(createCodeGenPreparePass(getTargetLowering()));
+
+ if (PrintISelInput)
+ PM.add(new PrintFunctionPass("\n\n*** Final LLVM Code input to ISel ***
\n",
+ &cerr));
+
// Ask the target for an isel.
if (addInstSelector(PM, Fast))
return true;
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