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Remove OptimizeForSize global. Use function attribute optsize.
llvm-svn: 56937
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cd111d96c6
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@ -83,10 +83,6 @@ namespace llvm {
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/// optimization (pop the caller's stack) providing it supports it.
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extern bool PerformTailCallOpt;
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/// OptimizeForSize - When this flag is set, the code generator avoids
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/// optimizations that increase size.
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extern bool OptimizeForSize;
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/// StackAlignment - Override default stack alignment for target.
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extern unsigned StackAlignment;
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@ -81,7 +81,7 @@ LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
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if (addPreEmitPass(PM, Fast) && PrintMachineCode)
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PM.add(createMachineFunctionPrinterPass(cerr));
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if (!Fast && !OptimizeForSize)
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if (!Fast)
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PM.add(createLoopAlignerPass());
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switch (FileType) {
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@ -58,6 +58,10 @@ bool LoopAligner::runOnMachineFunction(MachineFunction &MF) {
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if (!Align)
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return false; // Don't care about loop alignment.
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const Function *F = MF.getFunction();
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if (!F->isDeclaration() && F->hasFnAttr(Attribute::OptimizeForSize))
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return false;
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for (MachineFunction::iterator I = MF.begin(), E = MF.end(); I != E; ++I) {
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MachineBasicBlock *MBB = I;
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if (MLI->isLoopHeader(MBB))
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@ -776,7 +776,7 @@ bool PPCDarwinAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
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printVisibility(CurrentFnName, F->getVisibility());
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EmitAlignment(OptimizeForSize ? 2 : 4, F);
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EmitAlignment(F->hasFnAttr(Attribute::OptimizeForSize) ? 2 : 4, F);
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O << CurrentFnName << ":\n";
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// Emit pre-function debug information.
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@ -35,7 +35,6 @@ namespace llvm {
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Reloc::Model RelocationModel;
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CodeModel::Model CMModel;
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bool PerformTailCallOpt;
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bool OptimizeForSize;
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unsigned StackAlignment;
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bool RealignStack;
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bool VerboseAsm;
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@ -134,11 +133,6 @@ EnablePerformTailCallOpt("tailcallopt",
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cl::desc("Turn on tail call optimization."),
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cl::location(PerformTailCallOpt),
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cl::init(false));
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static cl::opt<bool, true>
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EnableOptimizeForSize("optimize-size",
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cl::desc("Optimize for size."),
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cl::location(OptimizeForSize),
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cl::init(false));
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static cl::opt<unsigned, true>
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OverrideStackAlignment("stack-alignment",
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@ -153,7 +153,7 @@ void X86ATTAsmPrinter::emitFunctionHeader(const MachineFunction &MF) {
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SwitchToSection(TAI->SectionForGlobal(F));
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unsigned FnAlign = OptimizeForSize ? 1 : 4;
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unsigned FnAlign = 4;
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if (!F->isDeclaration() && F->hasFnAttr(Attribute::OptimizeForSize))
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FnAlign = 1;
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switch (F->getLinkage()) {
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@ -140,7 +140,7 @@ bool X86IntelAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
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SwitchToTextSection("_text", F);
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unsigned FnAlign = OptimizeForSize ? 1 : 4;
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unsigned FnAlign = 4;
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if (!F->isDeclaration() && F->hasFnAttr(Attribute::OptimizeForSize))
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FnAlign = 1;
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switch (F->getLinkage()) {
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@ -137,7 +137,7 @@ namespace {
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ContainsFPCode(false), TM(tm),
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X86Lowering(*TM.getTargetLowering()),
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Subtarget(&TM.getSubtarget<X86Subtarget>()),
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OptForSize(OptimizeForSize) {}
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OptForSize(false) {}
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virtual const char *getPassName() const {
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return "X86 DAG->DAG Instruction Selection";
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@ -1,6 +1,5 @@
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; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | not grep punpck
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; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | grep pshufd
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; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 -optimize-size | grep punpck
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define i32 @t() nounwind {
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entry:
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17
test/CodeGen/X86/vec_shuffle-24.ll
Normal file
17
test/CodeGen/X86/vec_shuffle-24.ll
Normal file
@ -0,0 +1,17 @@
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; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | grep punpck
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define i32 @t() nounwind optsize {
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entry:
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%a = alloca <4 x i32> ; <<4 x i32>*> [#uses=2]
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%b = alloca <4 x i32> ; <<4 x i32>*> [#uses=5]
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volatile store <4 x i32> < i32 0, i32 1, i32 2, i32 3 >, <4 x i32>* %a
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%tmp = load <4 x i32>* %a ; <<4 x i32>> [#uses=1]
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store <4 x i32> %tmp, <4 x i32>* %b
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%tmp1 = load <4 x i32>* %b ; <<4 x i32>> [#uses=1]
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%tmp2 = load <4 x i32>* %b ; <<4 x i32>> [#uses=1]
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%punpckldq = shufflevector <4 x i32> %tmp1, <4 x i32> %tmp2, <4 x i32> < i32 0, i32 4, i32 1, i32 5 > ; <<4 x i32>> [#uses=1]
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store <4 x i32> %punpckldq, <4 x i32>* %b
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%tmp3 = load <4 x i32>* %b ; <<4 x i32>> [#uses=1]
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%result = extractelement <4 x i32> %tmp3, i32 0 ; <i32> [#uses=1]
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ret i32 %result
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}
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