forked from OSchip/llvm-project
Move the function and data section flags into the options struct and
make the functions to set them non-static. Move and rename the llvm specific backend options to avoid conflicting with the clang option. Paired with a backend commit to update. llvm-svn: 209238
This commit is contained in:
Eric Christopher
parent
64976a2a23
commit
2feed5fd68
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@ -193,6 +193,15 @@ cl::opt<std::string> StartAfter("start-after",
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cl::value_desc("pass-name"),
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cl::init(""));
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cl::opt<bool> DataSections("data-sections",
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cl::desc("Emit data into separate sections"),
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cl::init(false));
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cl::opt<bool>
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FunctionSections("function-sections",
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cl::desc("Emit functions into separate sections"),
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cl::init(false));
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// Common utility function tightly tied to the options listed here. Initializes
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// a TargetOptions object with CodeGen flags and returns it.
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static inline TargetOptions InitTargetOptionsFromCodeGenFlags() {
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@ -215,6 +224,8 @@ static inline TargetOptions InitTargetOptionsFromCodeGenFlags() {
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Options.TrapFuncName = TrapFuncName;
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Options.PositionIndependentExecutable = EnablePIE;
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Options.UseInitArray = UseInitArray;
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Options.DataSections = DataSections;
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Options.FunctionSections = FunctionSections;
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Options.MCOptions = InitMCTargetOptionsFromFlags();
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@ -195,18 +195,18 @@ public:
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/// getDataSections - Return true if data objects should be emitted into their
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/// own section, corresponds to -fdata-sections.
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static bool getDataSections();
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bool getDataSections() const;
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/// getFunctionSections - Return true if functions should be emitted into
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/// their own section, corresponding to -ffunction-sections.
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static bool getFunctionSections();
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bool getFunctionSections() const;
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/// setDataSections - Set if the data are emit into separate sections.
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static void setDataSections(bool);
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void setDataSections(bool);
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/// setFunctionSections - Set if the functions are emit into separate
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/// sections.
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static void setFunctionSections(bool);
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void setFunctionSections(bool);
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/// \brief Register analysis passes for this target with a pass manager.
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virtual void addAnalysisPasses(PassManagerBase &) {}
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@ -50,10 +50,10 @@ namespace llvm {
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JITEmitDebugInfoToDisk(false), GuaranteedTailCallOpt(false),
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DisableTailCalls(false), StackAlignmentOverride(0),
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EnableFastISel(false), PositionIndependentExecutable(false),
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UseInitArray(false),
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DisableIntegratedAS(false), CompressDebugSections(false),
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TrapUnreachable(false),
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TrapFuncName(""), FloatABIType(FloatABI::Default),
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UseInitArray(false), DisableIntegratedAS(false),
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CompressDebugSections(false), FunctionSections(false),
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DataSections(false), TrapUnreachable(false), TrapFuncName(""),
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FloatABIType(FloatABI::Default),
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AllowFPOpFusion(FPOpFusion::Standard) {}
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/// PrintMachineCode - This flag is enabled when the -print-machineinstrs
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@ -164,6 +164,12 @@ namespace llvm {
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/// Compress DWARF debug sections.
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unsigned CompressDebugSections : 1;
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/// Emit functions into separate sections.
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unsigned FunctionSections : 1;
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/// Emit data into separate sections.
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unsigned DataSections : 1;
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/// Emit target-specific trap instruction for 'unreachable' IR instructions.
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unsigned TrapUnreachable : 1;
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@ -36,15 +36,6 @@ namespace llvm {
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bool AsmVerbosityDefault(false);
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}
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static cl::opt<bool>
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DataSections("fdata-sections",
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cl::desc("Emit data into separate sections"),
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cl::init(false));
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static cl::opt<bool>
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FunctionSections("ffunction-sections",
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cl::desc("Emit functions into separate sections"),
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cl::init(false));
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//---------------------------------------------------------------------------
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// TargetMachine Class
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//
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@ -179,20 +170,20 @@ void TargetMachine::setAsmVerbosityDefault(bool V) {
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AsmVerbosityDefault = V;
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}
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bool TargetMachine::getFunctionSections() {
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return FunctionSections;
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bool TargetMachine::getFunctionSections() const {
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return Options.FunctionSections;
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}
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bool TargetMachine::getDataSections() {
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return DataSections;
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bool TargetMachine::getDataSections() const {
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return Options.DataSections;
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}
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void TargetMachine::setFunctionSections(bool V) {
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FunctionSections = V;
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Options.FunctionSections = V;
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}
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void TargetMachine::setDataSections(bool V) {
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DataSections = V;
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Options.DataSections = V;
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}
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void TargetMachine::getNameWithPrefix(SmallVectorImpl<char> &Name,
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@ -2,8 +2,8 @@
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; RUN: llc < %s -mtriple=i386-apple-darwin9.7 | FileCheck %s -check-prefix=DARWIN
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; RUN: llc < %s -mtriple=i386-apple-darwin10 -relocation-model=static | FileCheck %s -check-prefix=DARWIN-STATIC
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; RUN: llc < %s -mtriple=x86_64-apple-darwin10 | FileCheck %s -check-prefix=DARWIN64
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; RUN: llc < %s -mtriple=i386-unknown-linux-gnu -fdata-sections | FileCheck %s -check-prefix=LINUX-SECTIONS
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; RUN: llc < %s -mtriple=i686-pc-win32 -fdata-sections -ffunction-sections | FileCheck %s -check-prefix=WIN32-SECTIONS
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; RUN: llc < %s -mtriple=i386-unknown-linux-gnu -data-sections | FileCheck %s -check-prefix=LINUX-SECTIONS
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; RUN: llc < %s -mtriple=i686-pc-win32 -data-sections -function-sections | FileCheck %s -check-prefix=WIN32-SECTIONS
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define void @F1() {
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ret void
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@ -18,13 +18,13 @@ define void @F1() {
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; LINUX: .type G1,@object
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; LINUX: .comm G1,4,4
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; DARWIN: .comm _G1,4,2
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; DARWIN: .comm _G1,4,2
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; const int G2 __attribute__((weak)) = 42;
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@G2 = weak_odr unnamed_addr constant i32 42
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@G2 = weak_odr unnamed_addr constant i32 42
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; TODO: linux drops this into .rodata, we drop it into ".gnu.linkonce.r.G2"
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@ -85,25 +85,25 @@ define void @F1() {
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; PR4584
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@"foo bar" = linkonce global i32 42
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; LINUX: .type "foo bar",@object
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; LINUX: .type "foo bar",@object
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; LINUX: .section ".data.foo bar","aGw",@progbits,"foo bar",comdat
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; LINUX: .weak "foo bar"
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; LINUX: .weak "foo bar"
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; LINUX: "foo bar":
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; DARWIN: .section __DATA,__datacoal_nt,coalesced
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; DARWIN: .globl "_foo bar"
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; DARWIN: .weak_definition "_foo bar"
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; DARWIN: .section __DATA,__datacoal_nt,coalesced
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; DARWIN: .globl "_foo bar"
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; DARWIN: .weak_definition "_foo bar"
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; DARWIN: "_foo bar":
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; PR4650
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@G6 = weak_odr unnamed_addr constant [1 x i8] c"\01"
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; LINUX: .type G6,@object
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; LINUX: .section .rodata.G6,"aG",@progbits,G6,comdat
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; LINUX: .weak G6
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; LINUX: .type G6,@object
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; LINUX: .section .rodata.G6,"aG",@progbits,G6,comdat
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; LINUX: .weak G6
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; LINUX: G6:
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; LINUX: .byte 1
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; LINUX: .size G6, 1
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; LINUX: .byte 1
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; LINUX: .size G6, 1
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; DARWIN: .section __TEXT,__const_coal,coalesced
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; DARWIN: .globl _G6
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@ -114,58 +114,58 @@ define void @F1() {
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@G7 = unnamed_addr constant [10 x i8] c"abcdefghi\00"
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; DARWIN: __TEXT,__cstring,cstring_literals
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; DARWIN: .globl _G7
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; DARWIN: __TEXT,__cstring,cstring_literals
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; DARWIN: .globl _G7
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; DARWIN: _G7:
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; DARWIN: .asciz "abcdefghi"
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; DARWIN: .asciz "abcdefghi"
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; LINUX: .section .rodata.str1.1,"aMS",@progbits,1
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; LINUX: .globl G7
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; LINUX: .section .rodata.str1.1,"aMS",@progbits,1
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; LINUX: .globl G7
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; LINUX: G7:
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; LINUX: .asciz "abcdefghi"
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; LINUX: .asciz "abcdefghi"
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; LINUX-SECTIONS: .section .rodata.G7,"aMS",@progbits,1
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; LINUX-SECTIONS: .globl G7
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; LINUX-SECTIONS: .globl G7
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; WIN32-SECTIONS: .section .rdata,"rd",one_only,_G7
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; WIN32-SECTIONS: .globl _G7
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; WIN32-SECTIONS: .globl _G7
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@G8 = unnamed_addr constant [4 x i16] [ i16 1, i16 2, i16 3, i16 0 ]
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; DARWIN: .section __TEXT,__const
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; DARWIN: .globl _G8
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; DARWIN: .section __TEXT,__const
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; DARWIN: .globl _G8
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; DARWIN: _G8:
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; LINUX: .section .rodata.str2.2,"aMS",@progbits,2
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; LINUX: .globl G8
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; LINUX: .section .rodata.str2.2,"aMS",@progbits,2
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; LINUX: .globl G8
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; LINUX:G8:
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@G9 = unnamed_addr constant [4 x i32] [ i32 1, i32 2, i32 3, i32 0 ]
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; DARWIN: .globl _G9
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; DARWIN: .globl _G9
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; DARWIN: _G9:
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; LINUX: .section .rodata.str4.4,"aMS",@progbits,4
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; LINUX: .globl G9
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; LINUX: .section .rodata.str4.4,"aMS",@progbits,4
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; LINUX: .globl G9
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; LINUX:G9
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@G10 = weak global [100 x i32] zeroinitializer, align 32 ; <[100 x i32]*> [#uses=0]
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; DARWIN: .section __DATA,__datacoal_nt,coalesced
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; DARWIN: .section __DATA,__datacoal_nt,coalesced
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; DARWIN: .globl _G10
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; DARWIN: .weak_definition _G10
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; DARWIN: .align 5
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; DARWIN: .weak_definition _G10
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; DARWIN: .align 5
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; DARWIN: _G10:
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; DARWIN: .space 400
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; DARWIN: .space 400
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; LINUX: .bss
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; LINUX: .weak G10
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; LINUX: .align 32
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; LINUX: .bss
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; LINUX: .weak G10
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; LINUX: .align 32
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; LINUX: G10:
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; LINUX: .zero 400
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; LINUX: .zero 400
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@ -1,4 +1,4 @@
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; RUN: llc -split-dwarf=Enable -O0 %s -ffunction-sections -mtriple=x86_64-unknown-linux-gnu -filetype=obj -o %t
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; RUN: llc -split-dwarf=Enable -O0 %s -function-sections -mtriple=x86_64-unknown-linux-gnu -filetype=obj -o %t
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; RUN: llvm-dwarfdump -debug-dump=all %t | FileCheck --check-prefix=FUNCTION-SECTIONS %s
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; RUN: llvm-readobj --relocations %t | FileCheck --check-prefix=FUNCTION-SECTIONS-RELOCS %s
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