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authorChristopher Lamb <christopher.lamb@gmail.com>2007-07-27 07:36:14 +0000
committerChristopher Lamb <christopher.lamb@gmail.com>2007-07-27 07:36:14 +0000
commitada779fb11eb411536aa8219a176ca0ce4d58fd1 (patch)
treeb289127f3dbd55e3448aaf51b0b610983c7553b6 /lib/CodeGen/LLVMTargetMachine.cpp
parent3e22947d9acef08486c59349702cfb77ef734fbf (diff)
Move subreg lowering pass to be right after regalloc, per feedback.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40548 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/LLVMTargetMachine.cpp')
-rw-r--r--lib/CodeGen/LLVMTargetMachine.cpp14
1 files changed, 10 insertions, 4 deletions
diff --git a/lib/CodeGen/LLVMTargetMachine.cpp b/lib/CodeGen/LLVMTargetMachine.cpp
index 4620abb721..526c5255fe 100644
--- a/lib/CodeGen/LLVMTargetMachine.cpp
+++ b/lib/CodeGen/LLVMTargetMachine.cpp
@@ -72,6 +72,11 @@ LLVMTargetMachine::addPassesToEmitFile(FunctionPassManager &PM,
if (PrintMachineCode)
PM.add(createMachineFunctionPrinterPass(cerr));
+
+ PM.add(createLowerSubregsPass());
+
+ if (PrintMachineCode) // Print the subreg lowered code
+ PM.add(createMachineFunctionPrinterPass(cerr));
// Run post-ra passes.
if (addPostRegAlloc(PM, Fast) && PrintMachineCode)
@@ -96,8 +101,6 @@ LLVMTargetMachine::addPassesToEmitFile(FunctionPassManager &PM,
if (addPreEmitPass(PM, Fast) && PrintMachineCode)
PM.add(createMachineFunctionPrinterPass(cerr));
-
- PM.add(createLowerSubregsPass());
switch (FileType) {
default:
@@ -178,6 +181,11 @@ bool LLVMTargetMachine::addPassesToEmitMachineCode(FunctionPassManager &PM,
if (PrintMachineCode)
PM.add(createMachineFunctionPrinterPass(cerr));
+
+ PM.add(createLowerSubregsPass());
+
+ if (PrintMachineCode) // Print the subreg lowered code
+ PM.add(createMachineFunctionPrinterPass(cerr));
// Run post-ra passes.
if (addPostRegAlloc(PM, Fast) && PrintMachineCode)
@@ -199,8 +207,6 @@ bool LLVMTargetMachine::addPassesToEmitMachineCode(FunctionPassManager &PM,
if (addPreEmitPass(PM, Fast) && PrintMachineCode)
PM.add(createMachineFunctionPrinterPass(cerr));
-
- PM.add(createLowerSubregsPass());
addCodeEmitter(PM, Fast, PrintEmittedAsm, MCE);