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Don't flush the raw_ostream between each MachineFunction. These flush

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calls were originally put in place because errs() at one time was
not unbuffered, and these print routines are commonly used with errs()
for debugging. However, errs() is now properly unbuffered, so the
flush calls are no longer needed. This significantly reduces the
number of write(2) calls for regular asm printing when there are many
small functions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78137 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2009-08-05 00:49:25 +00:00
parent 4a3d35abef
commit 1c55fab534
6 changed files with 0 additions and 12 deletions
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2
lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
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@ -330,8 +330,6 @@ bool ARMAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
// Emit post-function debug information. // Emit post-function debug information.
DW->EndFunction(&MF); DW->EndFunction(&MF);
O.flush();
return false; return false;
} }

2
lib/Target/MSP430/MSP430AsmPrinter.cpp
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@ -134,8 +134,6 @@ bool MSP430AsmPrinter::runOnMachineFunction(MachineFunction &MF) {
if (TAI->hasDotTypeDotSizeDirective()) if (TAI->hasDotTypeDotSizeDirective())
O << "\t.size\t" << CurrentFnName << ", .-" << CurrentFnName << '\n'; O << "\t.size\t" << CurrentFnName << ", .-" << CurrentFnName << '\n';
O.flush();
// We didn't modify anything // We didn't modify anything
return false; return false;
} }

2
lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
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@ -646,8 +646,6 @@ bool PPCLinuxAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
// Emit post-function debug information. // Emit post-function debug information.
DW->EndFunction(&MF); DW->EndFunction(&MF);
O.flush();
// We didn't modify anything. // We didn't modify anything.
return false; return false;
} }

2
lib/Target/SystemZ/AsmPrinter/SystemZAsmPrinter.cpp
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@ -144,8 +144,6 @@ bool SystemZAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
// Print out jump tables referenced by the function. // Print out jump tables referenced by the function.
EmitJumpTableInfo(MF.getJumpTableInfo(), MF); EmitJumpTableInfo(MF.getJumpTableInfo(), MF);
O.flush();
// We didn't modify anything // We didn't modify anything
return false; return false;
} }

2
lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp
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@ -284,8 +284,6 @@ bool X86ATTAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
// Print out jump tables referenced by the function. // Print out jump tables referenced by the function.
EmitJumpTableInfo(MF.getJumpTableInfo(), MF); EmitJumpTableInfo(MF.getJumpTableInfo(), MF);
O.flush();
// We didn't modify anything. // We didn't modify anything.
return false; return false;
} }

2
lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.cpp
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@ -183,8 +183,6 @@ bool X86IntelAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
O << CurrentFnName << "\tendp\n"; O << CurrentFnName << "\tendp\n";
O.flush();
// We didn't modify anything. // We didn't modify anything.
return false; return false;
} }