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-rw-r--r--include/llvm/Target/TargetLowering.h38
-rw-r--r--lib/CodeGen/MachineFunction.cpp6
-rw-r--r--lib/CodeGen/SelectionDAG/TargetLowering.cpp2
-rw-r--r--lib/Target/ARM/ARMISelLowering.cpp7
-rw-r--r--lib/Target/ARM/ARMISelLowering.h3
-rw-r--r--lib/Target/Alpha/AlphaISelLowering.cpp7
-rw-r--r--lib/Target/Alpha/AlphaISelLowering.h3
-rw-r--r--lib/Target/Blackfin/BlackfinISelLowering.cpp7
-rw-r--r--lib/Target/Blackfin/BlackfinISelLowering.h1
-rw-r--r--lib/Target/CellSPU/SPUISelLowering.cpp7
-rw-r--r--lib/Target/CellSPU/SPUISelLowering.h3
-rw-r--r--lib/Target/MBlaze/MBlazeISelLowering.cpp7
-rw-r--r--lib/Target/MBlaze/MBlazeISelLowering.h1
-rw-r--r--lib/Target/MSP430/MSP430ISelLowering.cpp8
-rw-r--r--lib/Target/MSP430/MSP430ISelLowering.h3
-rw-r--r--lib/Target/Mips/MipsISelLowering.cpp7
-rw-r--r--lib/Target/Mips/MipsISelLowering.h3
-rw-r--r--lib/Target/PTX/PTXISelLowering.cpp4
-rw-r--r--lib/Target/PTX/PTXISelLowering.h3
-rw-r--r--lib/Target/PowerPC/PPCISelLowering.cpp12
-rw-r--r--lib/Target/PowerPC/PPCISelLowering.h3
-rw-r--r--lib/Target/Sparc/SparcISelLowering.cpp7
-rw-r--r--lib/Target/Sparc/SparcISelLowering.h3
-rw-r--r--lib/Target/SystemZ/SystemZISelLowering.cpp2
-rw-r--r--lib/Target/SystemZ/SystemZISelLowering.h5
-rw-r--r--lib/Target/X86/X86ISelLowering.cpp7
-rw-r--r--lib/Target/X86/X86ISelLowering.h3
-rw-r--r--lib/Target/XCore/XCoreISelLowering.cpp8
-rw-r--r--lib/Target/XCore/XCoreISelLowering.h3
29 files changed, 72 insertions, 101 deletions
diff --git a/include/llvm/Target/TargetLowering.h b/include/llvm/Target/TargetLowering.h
index 15db9c5..2184312 100644
--- a/include/llvm/Target/TargetLowering.h
+++ b/include/llvm/Target/TargetLowering.h
@@ -761,6 +761,18 @@ public:
return MinStackArgumentAlignment;
}
+ /// getMinFunctionAlignment - return the minimum function alignment.
+ ///
+ unsigned getMinFunctionAlignment() const {
+ return MinFunctionAlignment;
+ }
+
+ /// getPrefFunctionAlignment - return the preferred function alignment.
+ ///
+ unsigned getPrefFunctionAlignment() const {
+ return PrefFunctionAlignment;
+ }
+
/// getPrefLoopAlignment - return the preferred loop alignment.
///
unsigned getPrefLoopAlignment() const {
@@ -824,9 +836,6 @@ public:
/// PIC relocation models.
virtual bool isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const;
- /// getFunctionAlignment - Return the Log2 alignment of this function.
- virtual unsigned getFunctionAlignment(const Function *) const = 0;
-
/// getStackCookieLocation - Return true if the target stores stack
/// protector cookies at a fixed offset in some non-standard address
/// space, and populates the address space and offset as
@@ -1167,6 +1176,18 @@ protected:
JumpBufAlignment = Align;
}
+ /// setMinFunctionAlignment - Set the target's minimum function alignment.
+ void setMinFunctionAlignment(unsigned Align) {
+ MinFunctionAlignment = Align;
+ }
+
+ /// setPrefFunctionAlignment - Set the target's preferred function alignment.
+ /// This should be set if there is a small performance benefit to
+ /// higher-than-minimum alignment
+ void setPrefFunctionAlignment(unsigned Align) {
+ PrefFunctionAlignment = Align;
+ }
+
/// setPrefLoopAlignment - Set the target's preferred loop alignment. Default
/// alignment is zero, it means the target does not care about loop alignment.
void setPrefLoopAlignment(unsigned Align) {
@@ -1701,6 +1722,17 @@ private:
///
unsigned MinStackArgumentAlignment;
+ /// MinFunctionAlignment - The minimum function alignment (used when
+ /// optimizing for size, and to prevent explicitly provided alignment
+ /// from leading to incorrect code).
+ ///
+ unsigned MinFunctionAlignment;
+
+ /// PrefFunctionAlignment - The perferred function alignment (used when
+ /// alignment unspecified and optimizing for speed).
+ ///
+ unsigned PrefFunctionAlignment;
+
/// PrefLoopAlignment - The perferred loop alignment.
///
unsigned PrefLoopAlignment;
diff --git a/lib/CodeGen/MachineFunction.cpp b/lib/CodeGen/MachineFunction.cpp
index 2dde6ad..50750a5 100644
--- a/lib/CodeGen/MachineFunction.cpp
+++ b/lib/CodeGen/MachineFunction.cpp
@@ -65,7 +65,11 @@ MachineFunction::MachineFunction(const Function *F, const TargetMachine &TM,
FrameInfo->setMaxAlignment(Attribute::getStackAlignmentFromAttrs(
Fn->getAttributes().getFnAttributes()));
ConstantPool = new (Allocator) MachineConstantPool(TM.getTargetData());
- Alignment = TM.getTargetLowering()->getFunctionAlignment(F);
+ Alignment = TM.getTargetLowering()->getMinFunctionAlignment();
+ // FIXME: Shouldn't use pref alignment if explicit alignment is set on Fn.
+ if (!Fn->hasFnAttr(Attribute::OptimizeForSize))
+ Alignment = std::max(Alignment,
+ TM.getTargetLowering()->getPrefFunctionAlignment());
FunctionNumber = FunctionNum;
JumpTableInfo = 0;
}
diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 15606af..d163ebf 100644
--- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -596,6 +596,8 @@ TargetLowering::TargetLowering(const TargetMachine &tm,
SchedPreferenceInfo = Sched::Latency;
JumpBufSize = 0;
JumpBufAlignment = 0;
+ MinFunctionAlignment = 0;
+ PrefFunctionAlignment = 0;
PrefLoopAlignment = 0;
MinStackArgumentAlignment = 1;
ShouldFoldAtomicFences = false;
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index 7c2a731..d7db688 100644
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -724,6 +724,8 @@ ARMTargetLowering::ARMTargetLowering(TargetMachine &TM)
setMinStackArgumentAlignment(4);
benefitFromCodePlacementOpt = true;
+
+ setMinFunctionAlignment(Subtarget->isThumb() ? 1 : 2);
}
// FIXME: It might make sense to define the representative register class as the
@@ -925,11 +927,6 @@ ARMTargetLowering::createFastISel(FunctionLoweringInfo &funcInfo) const {
return ARM::createFastISel(funcInfo);
}
-/// getFunctionAlignment - Return the Log2 alignment of this function.
-unsigned ARMTargetLowering::getFunctionAlignment(const Function *F) const {
- return getTargetMachine().getSubtarget<ARMSubtarget>().isThumb() ? 1 : 2;
-}
-
/// getMaximalGlobalOffset - Returns the maximal possible offset which can
/// be used for loads / stores from the global.
unsigned ARMTargetLowering::getMaximalGlobalOffset() const {
diff --git a/lib/Target/ARM/ARMISelLowering.h b/lib/Target/ARM/ARMISelLowering.h
index 82d167e..8ef0601 100644
--- a/lib/Target/ARM/ARMISelLowering.h
+++ b/lib/Target/ARM/ARMISelLowering.h
@@ -327,9 +327,6 @@ namespace llvm {
/// specified value type.
virtual TargetRegisterClass *getRegClassFor(EVT VT) const;
- /// getFunctionAlignment - Return the Log2 alignment of this function.
- virtual unsigned getFunctionAlignment(const Function *F) const;
-
/// getMaximalGlobalOffset - Returns the maximal possible offset which can
/// be used for loads / stores from the global.
virtual unsigned getMaximalGlobalOffset() const;
diff --git a/lib/Target/Alpha/AlphaISelLowering.cpp b/lib/Target/Alpha/AlphaISelLowering.cpp
index ee404f0..879c660 100644
--- a/lib/Target/Alpha/AlphaISelLowering.cpp
+++ b/lib/Target/Alpha/AlphaISelLowering.cpp
@@ -155,6 +155,8 @@ AlphaTargetLowering::AlphaTargetLowering(TargetMachine &TM)
setJumpBufSize(272);
setJumpBufAlignment(16);
+ setMinFunctionAlignment(4);
+
computeRegisterProperties();
}
@@ -180,11 +182,6 @@ const char *AlphaTargetLowering::getTargetNodeName(unsigned Opcode) const {
}
}
-/// getFunctionAlignment - Return the Log2 alignment of this function.
-unsigned AlphaTargetLowering::getFunctionAlignment(const Function *F) const {
- return 4;
-}
-
static SDValue LowerJumpTable(SDValue Op, SelectionDAG &DAG) {
EVT PtrVT = Op.getValueType();
JumpTableSDNode *JT = cast<JumpTableSDNode>(Op);
diff --git a/lib/Target/Alpha/AlphaISelLowering.h b/lib/Target/Alpha/AlphaISelLowering.h
index cb98f92..d38c314 100644
--- a/lib/Target/Alpha/AlphaISelLowering.h
+++ b/lib/Target/Alpha/AlphaISelLowering.h
@@ -104,9 +104,6 @@ namespace llvm {
virtual bool isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const;
- /// getFunctionAlignment - Return the Log2 alignment of this function.
- virtual unsigned getFunctionAlignment(const Function *F) const;
-
/// isFPImmLegal - Returns true if the target can instruction select the
/// specified FP immediate natively. If false, the legalizer will
/// materialize the FP immediate as a load from a constant pool.
diff --git a/lib/Target/Blackfin/BlackfinISelLowering.cpp b/lib/Target/Blackfin/BlackfinISelLowering.cpp
index 1e1f8c9..b097931 100644
--- a/lib/Target/Blackfin/BlackfinISelLowering.cpp
+++ b/lib/Target/Blackfin/BlackfinISelLowering.cpp
@@ -121,6 +121,8 @@ BlackfinTargetLowering::BlackfinTargetLowering(TargetMachine &TM)
setOperationAction(ISD::VAEND, MVT::Other, Expand);
setOperationAction(ISD::STACKSAVE, MVT::Other, Expand);
setOperationAction(ISD::STACKRESTORE, MVT::Other, Expand);
+
+ setMinFunctionAlignment(2);
}
const char *BlackfinTargetLowering::getTargetNodeName(unsigned Opcode) const {
@@ -497,11 +499,6 @@ BlackfinTargetLowering::ReplaceNodeResults(SDNode *N,
}
}
-/// getFunctionAlignment - Return the Log2 alignment of this function.
-unsigned BlackfinTargetLowering::getFunctionAlignment(const Function *F) const {
- return 2;
-}
-
//===----------------------------------------------------------------------===//
// Blackfin Inline Assembly Support
//===----------------------------------------------------------------------===//
diff --git a/lib/Target/Blackfin/BlackfinISelLowering.h b/lib/Target/Blackfin/BlackfinISelLowering.h
index 102c830..9a54557 100644
--- a/lib/Target/Blackfin/BlackfinISelLowering.h
+++ b/lib/Target/Blackfin/BlackfinISelLowering.h
@@ -53,7 +53,6 @@ namespace llvm {
EVT VT) const;
virtual bool isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const;
const char *getTargetNodeName(unsigned Opcode) const;
- unsigned getFunctionAlignment(const Function *F) const;
private:
SDValue LowerGlobalAddress(SDValue Op, SelectionDAG &DAG) const;
diff --git a/lib/Target/CellSPU/SPUISelLowering.cpp b/lib/Target/CellSPU/SPUISelLowering.cpp
index 8668da3..4819d72 100644
--- a/lib/Target/CellSPU/SPUISelLowering.cpp
+++ b/lib/Target/CellSPU/SPUISelLowering.cpp
@@ -445,6 +445,8 @@ SPUTargetLowering::SPUTargetLowering(SPUTargetMachine &TM)
setTargetDAGCombine(ISD::SIGN_EXTEND);
setTargetDAGCombine(ISD::ANY_EXTEND);
+ setMinFunctionAlignment(3);
+
computeRegisterProperties();
// Set pre-RA register scheduler default to BURR, which produces slightly
@@ -489,11 +491,6 @@ SPUTargetLowering::getTargetNodeName(unsigned Opcode) const
return ((i != node_names.end()) ? i->second : 0);
}
-/// getFunctionAlignment - Return the Log2 alignment of this function.
-unsigned SPUTargetLowering::getFunctionAlignment(const Function *) const {
- return 3;
-}
-
//===----------------------------------------------------------------------===//
// Return the Cell SPU's SETCC result type
//===----------------------------------------------------------------------===//
diff --git a/lib/Target/CellSPU/SPUISelLowering.h b/lib/Target/CellSPU/SPUISelLowering.h
index cf883e2..dccd78d 100644
--- a/lib/Target/CellSPU/SPUISelLowering.h
+++ b/lib/Target/CellSPU/SPUISelLowering.h
@@ -152,9 +152,6 @@ namespace llvm {
virtual bool isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const;
- /// getFunctionAlignment - Return the Log2 alignment of this function.
- virtual unsigned getFunctionAlignment(const Function *F) const;
-
virtual SDValue
LowerFormalArguments(SDValue Chain,
CallingConv::ID CallConv, bool isVarArg,
diff --git a/lib/Target/MBlaze/MBlazeISelLowering.cpp b/lib/Target/MBlaze/MBlazeISelLowering.cpp
index 21a5988..931da7e 100644
--- a/lib/Target/MBlaze/MBlazeISelLowering.cpp
+++ b/lib/Target/MBlaze/MBlazeISelLowering.cpp
@@ -180,6 +180,8 @@ MBlazeTargetLowering::MBlazeTargetLowering(MBlazeTargetMachine &TM)
setLoadExtAction(ISD::EXTLOAD, MVT::f32, Expand);
setTruncStoreAction(MVT::f64, MVT::f32, Expand);
+ setMinFunctionAlignment(2);
+
setStackPointerRegisterToSaveRestore(MBlaze::R1);
computeRegisterProperties();
}
@@ -188,11 +190,6 @@ MVT::SimpleValueType MBlazeTargetLowering::getSetCCResultType(EVT VT) const {
return MVT::i32;
}
-/// getFunctionAlignment - Return the Log2 alignment of this function.
-unsigned MBlazeTargetLowering::getFunctionAlignment(const Function *) const {
- return 2;
-}
-
SDValue MBlazeTargetLowering::LowerOperation(SDValue Op,
SelectionDAG &DAG) const {
switch (Op.getOpcode())
diff --git a/lib/Target/MBlaze/MBlazeISelLowering.h b/lib/Target/MBlaze/MBlazeISelLowering.h
index 91649bc..265c1a7 100644
--- a/lib/Target/MBlaze/MBlazeISelLowering.h
+++ b/lib/Target/MBlaze/MBlazeISelLowering.h
@@ -104,7 +104,6 @@ namespace llvm {
/// getSetCCResultType - get the ISD::SETCC result ValueType
MVT::SimpleValueType getSetCCResultType(EVT VT) const;
- virtual unsigned getFunctionAlignment(const Function *F) const;
private:
// Subtarget Info
const MBlazeSubtarget *Subtarget;
diff --git a/lib/Target/MSP430/MSP430ISelLowering.cpp b/lib/Target/MSP430/MSP430ISelLowering.cpp
index 006785b..b42bf52 100644
--- a/lib/Target/MSP430/MSP430ISelLowering.cpp
+++ b/lib/Target/MSP430/MSP430ISelLowering.cpp
@@ -170,6 +170,9 @@ MSP430TargetLowering::MSP430TargetLowering(MSP430TargetMachine &tm) :
setLibcallName(RTLIB::MUL_I8, "__mulqi3hw_noint");
setLibcallName(RTLIB::MUL_I16, "__mulhi3hw_noint");
}
+
+ setMinFunctionAlignment(1);
+ setPrefFunctionAlignment(2);
}
SDValue MSP430TargetLowering::LowerOperation(SDValue Op,
@@ -193,11 +196,6 @@ SDValue MSP430TargetLowering::LowerOperation(SDValue Op,
}
}
-/// getFunctionAlignment - Return the Log2 alignment of this function.
-unsigned MSP430TargetLowering::getFunctionAlignment(const Function *F) const {
- return F->hasFnAttr(Attribute::OptimizeForSize) ? 1 : 2;
-}
-
//===----------------------------------------------------------------------===//
// MSP430 Inline Assembly Support
//===----------------------------------------------------------------------===//
diff --git a/lib/Target/MSP430/MSP430ISelLowering.h b/lib/Target/MSP430/MSP430ISelLowering.h
index 19c9eac..bd660a0 100644
--- a/lib/Target/MSP430/MSP430ISelLowering.h
+++ b/lib/Target/MSP430/MSP430ISelLowering.h
@@ -82,9 +82,6 @@ namespace llvm {
/// DAG node.
virtual const char *getTargetNodeName(unsigned Opcode) const;
- /// getFunctionAlignment - Return the Log2 alignment of this function.
- virtual unsigned getFunctionAlignment(const Function *F) const;
-
SDValue LowerShifts(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerGlobalAddress(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerBlockAddress(SDValue Op, SelectionDAG &DAG) const;
diff --git a/lib/Target/Mips/MipsISelLowering.cpp b/lib/Target/Mips/MipsISelLowering.cpp
index 9592244..456efc5 100644
--- a/lib/Target/Mips/MipsISelLowering.cpp
+++ b/lib/Target/Mips/MipsISelLowering.cpp
@@ -171,6 +171,8 @@ MipsTargetLowering(MipsTargetMachine &TM)
setTargetDAGCombine(ISD::UDIVREM);
setTargetDAGCombine(ISD::SETCC);
+ setMinFunctionAlignment(2);
+
setStackPointerRegisterToSaveRestore(Mips::SP);
computeRegisterProperties();
}
@@ -179,11 +181,6 @@ MVT::SimpleValueType MipsTargetLowering::getSetCCResultType(EVT VT) const {
return MVT::i32;
}
-/// getFunctionAlignment - Return the Log2 alignment of this function.
-unsigned MipsTargetLowering::getFunctionAlignment(const Function *) const {
- return 2;
-}
-
// SelectMadd -
// Transforms a subgraph in CurDAG if the following pattern is found:
// (addc multLo, Lo0), (adde multHi, Hi0),
diff --git a/lib/Target/Mips/MipsISelLowering.h b/lib/Target/Mips/MipsISelLowering.h
index e4d0c3d..1cb9665 100644
--- a/lib/Target/Mips/MipsISelLowering.h
+++ b/lib/Target/Mips/MipsISelLowering.h
@@ -89,9 +89,6 @@ namespace llvm {
/// getSetCCResultType - get the ISD::SETCC result ValueType
MVT::SimpleValueType getSetCCResultType(EVT VT) const;
- /// getFunctionAlignment - Return the Log2 alignment of this function.
- virtual unsigned getFunctionAlignment(const Function *F) const;
-
virtual SDValue PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI) const;
private:
// Subtarget Info
diff --git a/lib/Target/PTX/PTXISelLowering.cpp b/lib/Target/PTX/PTXISelLowering.cpp
index 23b93da..e9b1d8c 100644
--- a/lib/Target/PTX/PTXISelLowering.cpp
+++ b/lib/Target/PTX/PTXISelLowering.cpp
@@ -65,7 +65,9 @@ PTXTargetLowering::PTXTargetLowering(TargetMachine &TM)
// need to lower SETCC of Preds into bitwise logic
setOperationAction(ISD::SETCC, MVT::i1, Custom);
-
+
+ setMinFunctionAlignment(2);
+
// Compute derived properties from the register classes
computeRegisterProperties();
}
diff --git a/lib/Target/PTX/PTXISelLowering.h b/lib/Target/PTX/PTXISelLowering.h
index 6a7e3e6..225c000 100644
--- a/lib/Target/PTX/PTXISelLowering.h
+++ b/lib/Target/PTX/PTXISelLowering.h
@@ -37,9 +37,6 @@ class PTXTargetLowering : public TargetLowering {
virtual const char *getTargetNodeName(unsigned Opcode) const;
- virtual unsigned getFunctionAlignment(const Function *F) const {
- return 2; }
-
virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const;
virtual SDValue LowerSETCC(SDValue Op, SelectionDAG &DAG) const;
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index 128522c..625c963 100644
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -394,6 +394,10 @@ PPCTargetLowering::PPCTargetLowering(PPCTargetMachine &TM)
setLibcallName(RTLIB::EXP2_PPCF128, "exp2l$LDBL128");
}
+ setMinFunctionAlignment(2);
+ if (PPCSubTarget.isDarwin())
+ setPrefFunctionAlignment(4);
+
computeRegisterProperties();
}
@@ -460,14 +464,6 @@ MVT::SimpleValueType PPCTargetLowering::getSetCCResultType(EVT VT) const {
return MVT::i32;
}
-/// getFunctionAlignment - Return the Log2 alignment of this function.
-unsigned PPCTargetLowering::getFunctionAlignment(const Function *F) const {
- if (getTargetMachine().getSubtarget<PPCSubtarget>().isDarwin())
- return F->hasFnAttr(Attribute::OptimizeForSize) ? 2 : 4;
- else
- return 2;
-}
-
//===----------------------------------------------------------------------===//
// Node matching predicates, for use by the tblgen matching code.
//===----------------------------------------------------------------------===//
diff --git a/lib/Target/PowerPC/PPCISelLowering.h b/lib/Target/PowerPC/PPCISelLowering.h
index 33daae9..64a57a1 100644
--- a/lib/Target/PowerPC/PPCISelLowering.h
+++ b/lib/Target/PowerPC/PPCISelLowering.h
@@ -364,9 +364,6 @@ namespace llvm {
bool NonScalarIntSafe, bool MemcpyStrSrc,
MachineFunction &MF) const;
- /// getFunctionAlignment - Return the Log2 alignment of this function.
- virtual unsigned getFunctionAlignment(const Function *F) const;
-
private:
SDValue getFramePointerFrameIndex(SelectionDAG & DAG) const;
SDValue getReturnAddrFrameIndex(SelectionDAG & DAG) const;
diff --git a/lib/Target/Sparc/SparcISelLowering.cpp b/lib/Target/Sparc/SparcISelLowering.cpp
index 5e6f7b1..9267b14 100644
--- a/lib/Target/Sparc/SparcISelLowering.cpp
+++ b/lib/Target/Sparc/SparcISelLowering.cpp
@@ -799,6 +799,8 @@ SparcTargetLowering::SparcTargetLowering(TargetMachine &TM)
if (TM.getSubtarget<SparcSubtarget>().isV9())
setOperationAction(ISD::CTPOP, MVT::i32, Legal);
+ setMinFunctionAlignment(2);
+
computeRegisterProperties();
}
@@ -1288,8 +1290,3 @@ SparcTargetLowering::isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const {
// The Sparc target isn't yet aware of offsets.
return false;
}
-
-/// getFunctionAlignment - Return the Log2 alignment of this function.
-unsigned SparcTargetLowering::getFunctionAlignment(const Function *) const {
- return 2;
-}
diff --git a/lib/Target/Sparc/SparcISelLowering.h b/lib/Target/Sparc/SparcISelLowering.h
index 7d02df8..9ea6e16 100644
--- a/lib/Target/Sparc/SparcISelLowering.h
+++ b/lib/Target/Sparc/SparcISelLowering.h
@@ -71,9 +71,6 @@ namespace llvm {
virtual bool isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const;
- /// getFunctionAlignment - Return the Log2 alignment of this function.
- virtual unsigned getFunctionAlignment(const Function *F) const;
-
virtual SDValue
LowerFormalArguments(SDValue Chain,
CallingConv::ID CallConv,
diff --git a/lib/Target/SystemZ/SystemZISelLowering.cpp b/lib/Target/SystemZ/SystemZISelLowering.cpp
index d331614..15ef873 100644
--- a/lib/Target/SystemZ/SystemZISelLowering.cpp
+++ b/lib/Target/SystemZ/SystemZISelLowering.cpp
@@ -153,6 +153,8 @@ SystemZTargetLowering::SystemZTargetLowering(SystemZTargetMachine &tm) :
setOperationAction(ISD::FP_TO_UINT, MVT::i64, Expand);
setTruncStoreAction(MVT::f64, MVT::f32, Expand);
+
+ setMinFunctionAlignment(1);
}
SDValue SystemZTargetLowering::LowerOperation(SDValue Op,
diff --git a/lib/Target/SystemZ/SystemZISelLowering.h b/lib/Target/SystemZ/SystemZISelLowering.h
index 3019242..bab3dc2 100644
--- a/lib/Target/SystemZ/SystemZISelLowering.h
+++ b/lib/Target/SystemZ/SystemZISelLowering.h
@@ -66,11 +66,6 @@ namespace llvm {
/// DAG node.
virtual const char *getTargetNodeName(unsigned Opcode) const;
- /// getFunctionAlignment - Return the Log2 alignment of this function.
- virtual unsigned getFunctionAlignment(const Function *F) const {
- return 1;
- }
-
std::pair<unsigned, const TargetRegisterClass*>
getRegForInlineAsmConstraint(const std::string &Constraint, EVT VT) const;
TargetLowering::ConstraintType
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 703c01d..97fd2a3 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -1096,6 +1096,8 @@ X86TargetLowering::X86TargetLowering(X86TargetMachine &TM)
maxStoresPerMemmoveOptSize = Subtarget->isTargetDarwin() ? 8 : 4;
setPrefLoopAlignment(16);
benefitFromCodePlacementOpt = true;
+
+ setPrefFunctionAlignment(4);
}
@@ -1247,11 +1249,6 @@ getPICJumpTableRelocBaseExpr(const MachineFunction *MF, unsigned JTI,
return MCSymbolRefExpr::Create(MF->getPICBaseSymbol(), Ctx);
}
-/// getFunctionAlignment - Return the Log2 alignment of this function.
-unsigned X86TargetLowering::getFunctionAlignment(const Function *F) const {
- return F->hasFnAttr(Attribute::OptimizeForSize) ? 0 : 4;
-}
-
// FIXME: Why this routine is here? Move to RegInfo!
std::pair<const TargetRegisterClass*, uint8_t>
X86TargetLowering::findRepresentativeClass(EVT VT) const{
diff --git a/lib/Target/X86/X86ISelLowering.h b/lib/Target/X86/X86ISelLowering.h
index 6301057..ea0c1b6 100644
--- a/lib/Target/X86/X86ISelLowering.h
+++ b/lib/Target/X86/X86ISelLowering.h
@@ -674,9 +674,6 @@ namespace llvm {
/// or null if the target does not support "fast" ISel.
virtual FastISel *createFastISel(FunctionLoweringInfo &funcInfo) const;
- /// getFunctionAlignment - Return the Log2 alignment of this function.
- virtual unsigned getFunctionAlignment(const Function *F) const;
-
/// getStackCookieLocation - Return true if the target stores stack
/// protector cookies at a fixed offset in some non-standard address
/// space, and populates the address space and offset as
diff --git a/lib/Target/XCore/XCoreISelLowering.cpp b/lib/Target/XCore/XCoreISelLowering.cpp
index 5987e8b..6e892cc 100644
--- a/lib/Target/XCore/XCoreISelLowering.cpp
+++ b/lib/Target/XCore/XCoreISelLowering.cpp
@@ -156,6 +156,8 @@ XCoreTargetLowering::XCoreTargetLowering(XCoreTargetMachine &XTM)
// We have target-specific dag combine patterns for the following nodes:
setTargetDAGCombine(ISD::STORE);
setTargetDAGCombine(ISD::ADD);
+
+ setMinFunctionAlignment(1);
}
SDValue XCoreTargetLowering::
@@ -201,12 +203,6 @@ void XCoreTargetLowering::ReplaceNodeResults(SDNode *N,
}
}
-/// getFunctionAlignment - Return the Log2 alignment of this function.
-unsigned XCoreTargetLowering::
-getFunctionAlignment(const Function *) const {
- return 1;
-}
-
//===----------------------------------------------------------------------===//
// Misc Lower Operation implementation
//===----------------------------------------------------------------------===//
diff --git a/lib/Target/XCore/XCoreISelLowering.h b/lib/Target/XCore/XCoreISelLowering.h
index bb3f2cc..e980948 100644
--- a/lib/Target/XCore/XCoreISelLowering.h
+++ b/lib/Target/XCore/XCoreISelLowering.h
@@ -103,9 +103,6 @@ namespace llvm {
virtual bool isLegalAddressingMode(const AddrMode &AM,
const Type *Ty) const;
- /// getFunctionAlignment - Return the Log2 alignment of this function.
- virtual unsigned getFunctionAlignment(const Function *F) const;
-
private:
const XCoreTargetMachine &TM;
const XCoreSubtarget &Subtarget;