[clang] 5aa5c94 - Reland "[DebugInfo] Enable the debug entry values feature by default"

Djordje Todorovic via cfe-commits cfe-commits at lists.llvm.org
Tue Mar 10 01:15:29 PDT 2020


Author: Djordje Todorovic
Date: 2020-03-10T09:15:06+01:00
New Revision: 5aa5c943f7da155b95564058cd5d50a93eabfc89

URL: https://github.com/llvm/llvm-project/commit/5aa5c943f7da155b95564058cd5d50a93eabfc89
DIFF: https://github.com/llvm/llvm-project/commit/5aa5c943f7da155b95564058cd5d50a93eabfc89.diff

LOG: Reland "[DebugInfo] Enable the debug entry values feature by default"

Differential Revision: https://reviews.llvm.org/D73534

Added: 
    llvm/test/DebugInfo/X86/no-entry-values-with-O0.ll

Modified: 
    clang/include/clang/Basic/CodeGenOptions.def
    clang/include/clang/Driver/CC1Options.td
    clang/lib/CodeGen/BackendUtil.cpp
    clang/lib/CodeGen/CGDebugInfo.cpp
    clang/lib/Frontend/CompilerInvocation.cpp
    clang/test/CodeGen/debug-info-extern-call.c
    clang/test/CodeGenCXX/dbg-info-all-calls-described.cpp
    lldb/packages/Python/lldbsuite/test/decorators.py
    lldb/test/API/functionalities/param_entry_vals/basic_entry_values_x86_64/Makefile
    llvm/include/llvm/CodeGen/CommandFlags.inc
    llvm/include/llvm/Target/TargetMachine.h
    llvm/include/llvm/Target/TargetOptions.h
    llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
    llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h
    llvm/lib/CodeGen/LiveDebugValues.cpp
    llvm/lib/CodeGen/TargetOptionsImpl.cpp
    llvm/lib/Target/AArch64/AArch64TargetMachine.cpp
    llvm/lib/Target/ARM/ARMTargetMachine.cpp
    llvm/lib/Target/X86/X86TargetMachine.cpp
    llvm/test/CodeGen/MIR/Hexagon/bundled-call-site-info.mir
    llvm/test/CodeGen/MIR/X86/call-site-info-error4.mir
    llvm/test/CodeGen/X86/call-site-info-output.ll
    llvm/test/DebugInfo/MIR/AArch64/dbgcall-site-orr-moves.mir
    llvm/test/DebugInfo/MIR/ARM/call-site-info-vmovd.mir
    llvm/test/DebugInfo/MIR/ARM/call-site-info-vmovs.mir
    llvm/test/DebugInfo/MIR/ARM/dbgcall-site-propagated-value.mir
    llvm/test/DebugInfo/MIR/Hexagon/dbgcall-site-instr-before-bundled-call.mir
    llvm/test/DebugInfo/MIR/Hexagon/live-debug-values-bundled-entry-values.mir
    llvm/test/DebugInfo/MIR/SystemZ/call-site-lzer.mir
    llvm/test/DebugInfo/MIR/X86/DW_OP_entry_value.mir
    llvm/test/DebugInfo/MIR/X86/call-site-gnu-vs-dwarf5-attrs.mir
    llvm/test/DebugInfo/MIR/X86/dbgcall-site-copy-super-sub.mir
    llvm/test/DebugInfo/MIR/X86/dbgcall-site-interpretation.mir
    llvm/test/DebugInfo/MIR/X86/dbgcall-site-lea-interpretation.mir
    llvm/test/DebugInfo/MIR/X86/dbgcall-site-partial-describe.mir
    llvm/test/DebugInfo/MIR/X86/dbgcall-site-reference.mir
    llvm/test/DebugInfo/MIR/X86/dbgcall-site-reg-shuffle.mir
    llvm/test/DebugInfo/MIR/X86/dbgcall-site-two-fwd-reg-defs.mir
    llvm/test/DebugInfo/MIR/X86/dbginfo-entryvals.mir
    llvm/test/DebugInfo/MIR/X86/debug-call-site-param.mir
    llvm/test/DebugInfo/MIR/X86/entry-value-of-modified-param.mir
    llvm/test/DebugInfo/MIR/X86/entry-values-diamond-bbs.mir
    llvm/test/DebugInfo/MIR/X86/propagate-entry-value-cross-bbs.mir
    llvm/test/DebugInfo/MIR/X86/unreachable-block-call-site.mir
    llvm/test/DebugInfo/X86/dbg-value-range.ll
    llvm/test/DebugInfo/X86/dbg-value-regmask-clobber.ll
    llvm/test/DebugInfo/X86/dbgcall-site-64-bit-imms.ll
    llvm/test/DebugInfo/X86/dbgcall-site-zero-valued-imms.ll
    llvm/test/DebugInfo/X86/loclists-dwp.ll
    llvm/test/tools/llvm-locstats/locstats.ll

Removed: 
    


################################################################################
diff  --git a/clang/include/clang/Basic/CodeGenOptions.def b/clang/include/clang/Basic/CodeGenOptions.def
index 3c8b0eeb47a5..e047054447f3 100644
--- a/clang/include/clang/Basic/CodeGenOptions.def
+++ b/clang/include/clang/Basic/CodeGenOptions.def
@@ -63,7 +63,6 @@ CODEGENOPT(ExperimentalNewPassManager, 1, 0) ///< Enables the new, experimental
 CODEGENOPT(DebugPassManager, 1, 0) ///< Prints debug information for the new
                                    ///< pass manager.
 CODEGENOPT(DisableRedZone    , 1, 0) ///< Set when -mno-red-zone is enabled.
-CODEGENOPT(EnableDebugEntryValues, 1, 0) ///< Emit call site parameter dbg info
 CODEGENOPT(EmitCallSiteInfo, 1, 0) ///< Emit call site info only in the case of
                                    ///< '-g' + 'O>0' level.
 CODEGENOPT(IndirectTlsSegRefs, 1, 0) ///< Set when -mno-tls-direct-seg-refs

diff  --git a/clang/include/clang/Driver/CC1Options.td b/clang/include/clang/Driver/CC1Options.td
index b7a2826d8fcb..cc30893703df 100644
--- a/clang/include/clang/Driver/CC1Options.td
+++ b/clang/include/clang/Driver/CC1Options.td
@@ -388,8 +388,6 @@ def flto_visibility_public_std:
 def flto_unit: Flag<["-"], "flto-unit">,
     HelpText<"Emit IR to support LTO unit features (CFI, whole program vtable opt)">;
 def fno_lto_unit: Flag<["-"], "fno-lto-unit">;
-def femit_debug_entry_values : Flag<["-"], "femit-debug-entry-values">,
-    HelpText<"Enables debug info about call site parameter's entry values">;
 def fdebug_pass_manager : Flag<["-"], "fdebug-pass-manager">,
     HelpText<"Prints debug information for the new pass manager">;
 def fno_debug_pass_manager : Flag<["-"], "fno-debug-pass-manager">,

diff  --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp
index b6ca46e7e835..7581add4d46a 100644
--- a/clang/lib/CodeGen/BackendUtil.cpp
+++ b/clang/lib/CodeGen/BackendUtil.cpp
@@ -485,7 +485,6 @@ static void initTargetOptions(llvm::TargetOptions &Options,
   Options.DebuggerTuning = CodeGenOpts.getDebuggerTuning();
   Options.EmitStackSizeSection = CodeGenOpts.StackSizeSection;
   Options.EmitAddrsig = CodeGenOpts.Addrsig;
-  Options.EnableDebugEntryValues = CodeGenOpts.EnableDebugEntryValues;
   Options.ForceDwarfFrameSection = CodeGenOpts.ForceDwarfFrameSection;
   Options.EmitCallSiteInfo = CodeGenOpts.EmitCallSiteInfo;
 

diff  --git a/clang/lib/CodeGen/CGDebugInfo.cpp b/clang/lib/CodeGen/CGDebugInfo.cpp
index cbf45a5cf748..8c4248009a09 100644
--- a/clang/lib/CodeGen/CGDebugInfo.cpp
+++ b/clang/lib/CodeGen/CGDebugInfo.cpp
@@ -4879,8 +4879,7 @@ llvm::DINode::DIFlags CGDebugInfo::getCallSiteRelatedAttrs() const {
       (CGM.getCodeGenOpts().getDebuggerTuning() == llvm::DebuggerKind::LLDB ||
        CGM.getCodeGenOpts().getDebuggerTuning() == llvm::DebuggerKind::GDB);
 
-  if (!SupportsDWARFv4Ext && CGM.getCodeGenOpts().DwarfVersion < 5 &&
-      !CGM.getCodeGenOpts().EnableDebugEntryValues)
+  if (!SupportsDWARFv4Ext && CGM.getCodeGenOpts().DwarfVersion < 5)
     return llvm::DINode::FlagZero;
 
   return llvm::DINode::FlagAllCallsDescribed;

diff  --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 08a0b9831e0c..1bde2f7ecb78 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -788,10 +788,8 @@ static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK,
 
   llvm::Triple T(TargetOpts.Triple);
   if (Opts.OptimizationLevel > 0 && Opts.hasReducedDebugInfo() &&
-      llvm::is_contained(DebugEntryValueArchs, T.getArch())) {
-    Opts.EnableDebugEntryValues = Args.hasArg(OPT_femit_debug_entry_values);
+      llvm::is_contained(DebugEntryValueArchs, T.getArch()))
     Opts.EmitCallSiteInfo = true;
-  }
 
   Opts.DisableO0ImplyOptNone = Args.hasArg(OPT_disable_O0_optnone);
   Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone);

diff  --git a/clang/test/CodeGen/debug-info-extern-call.c b/clang/test/CodeGen/debug-info-extern-call.c
index da3764f7359e..072e578b5898 100644
--- a/clang/test/CodeGen/debug-info-extern-call.c
+++ b/clang/test/CodeGen/debug-info-extern-call.c
@@ -1,7 +1,7 @@
 // When entry values are emitted, expect a subprogram for extern decls so that
 // the dwarf generator can describe call site parameters at extern call sites.
 //
-// RUN: %clang -Xclang -femit-debug-entry-values -g -O2 -target x86_64-none-linux-gnu -S -emit-llvm %s -o - \
+// RUN: %clang -g -O2 -target x86_64-none-linux-gnu -S -emit-llvm %s -o - \
 // RUN:   | FileCheck %s -check-prefix=DECLS-FOR-EXTERN
 
 // Similarly, when the debugger tuning is gdb, expect a subprogram for extern

diff  --git a/clang/test/CodeGenCXX/dbg-info-all-calls-described.cpp b/clang/test/CodeGenCXX/dbg-info-all-calls-described.cpp
index 667c2469b55e..d53c1d169c3a 100644
--- a/clang/test/CodeGenCXX/dbg-info-all-calls-described.cpp
+++ b/clang/test/CodeGenCXX/dbg-info-all-calls-described.cpp
@@ -15,22 +15,22 @@
 // RUN: | FileCheck %s -check-prefix=HAS-ATTR \
 // RUN:     -implicit-check-not=DISubprogram -implicit-check-not=DIFlagAllCallsDescribed
 
-// Supported: DWARF4 + GDB tuning by using '-femit-debug-entry-values'
-// RUN: %clang_cc1 -femit-debug-entry-values -emit-llvm -triple x86_64-linux-gnu \
+// Supported: DWARF4 + GDB, -O1
+// RUN: %clang_cc1 -emit-llvm -triple x86_64-linux-gnu \
 // RUN:   %s -o - -O1 -disable-llvm-passes -debugger-tuning=gdb \
 // RUN:   -debug-info-kind=standalone -dwarf-version=4 \
 // RUN: | FileCheck %s -check-prefix=HAS-ATTR \
 // RUN:     -implicit-check-not=DIFlagAllCallsDescribed
 
-// Supported: DWARF4 + LLDB tuning by using '-femit-debug-entry-values'
-// RUN: %clang_cc1 -femit-debug-entry-values -emit-llvm -triple x86_64-linux-gnu \
+// Supported: DWARF4 + LLDB, -O1
+// RUN: %clang_cc1 -emit-llvm -triple x86_64-linux-gnu \
 // RUN:   %s -o - -O1 -disable-llvm-passes -debugger-tuning=lldb \
 // RUN:   -debug-info-kind=standalone -dwarf-version=4 \
 // RUN: | FileCheck %s -check-prefix=HAS-ATTR \
 // RUN:     -implicit-check-not=DIFlagAllCallsDescribed
 
-// Unsupported: -O0 + '-femit-debug-entry-values'
-// RUN: %clang_cc1 -femit-debug-entry-values -emit-llvm -triple x86_64-linux-gnu \
+// Unsupported: -O0
+// RUN: %clang_cc1 -emit-llvm -triple x86_64-linux-gnu \
 // RUN:   %s -o - -O0 -disable-llvm-passes -debugger-tuning=gdb \
 // RUN:   -debug-info-kind=standalone -dwarf-version=4 \
 // RUN: | FileCheck %s -check-prefix=NO-ATTR

diff  --git a/lldb/packages/Python/lldbsuite/test/decorators.py b/lldb/packages/Python/lldbsuite/test/decorators.py
index b0d2db7655ff..065b4ec92dac 100644
--- a/lldb/packages/Python/lldbsuite/test/decorators.py
+++ b/lldb/packages/Python/lldbsuite/test/decorators.py
@@ -694,7 +694,7 @@ def is_compiler_clang_with_call_site_info(self):
 
         f = tempfile.NamedTemporaryFile()
         cmd = "echo 'int main() {}' | " \
-              "%s -g -glldb -O1 -Xclang -femit-debug-entry-values -S -emit-llvm -x c -o %s -" % (compiler_path, f.name)
+              "%s -g -glldb -O1 -S -emit-llvm -x c -o %s -" % (compiler_path, f.name)
         if os.popen(cmd).close() is not None:
             return "Compiler can't compile with call site info enabled"
 

diff  --git a/lldb/test/API/functionalities/param_entry_vals/basic_entry_values_x86_64/Makefile b/lldb/test/API/functionalities/param_entry_vals/basic_entry_values_x86_64/Makefile
index db8fa57abb91..ab505a684126 100644
--- a/lldb/test/API/functionalities/param_entry_vals/basic_entry_values_x86_64/Makefile
+++ b/lldb/test/API/functionalities/param_entry_vals/basic_entry_values_x86_64/Makefile
@@ -1,3 +1,3 @@
 CXX_SOURCES := main.cpp
-CXXFLAGS_EXTRAS := -O2 -glldb -Xclang -femit-debug-entry-values
+CXXFLAGS_EXTRAS := -O2 -glldb
 include Makefile.rules

diff  --git a/llvm/include/llvm/CodeGen/CommandFlags.inc b/llvm/include/llvm/CodeGen/CommandFlags.inc
index 615c783082b9..53d90e08dfdd 100644
--- a/llvm/include/llvm/CodeGen/CommandFlags.inc
+++ b/llvm/include/llvm/CodeGen/CommandFlags.inc
@@ -283,7 +283,7 @@ static cl::opt<bool> EmitCallSiteInfo(
 
 static cl::opt<bool>
     EnableDebugEntryValues("debug-entry-values",
-                           cl::desc("Emit debug info about parameter's entry values"),
+                           cl::desc("Enable debug info for the debug entry values"),
                            cl::init(false));
 
 static cl::opt<bool>

diff  --git a/llvm/include/llvm/Target/TargetMachine.h b/llvm/include/llvm/Target/TargetMachine.h
index 67afbee4681f..2c52bd13bd87 100644
--- a/llvm/include/llvm/Target/TargetMachine.h
+++ b/llvm/include/llvm/Target/TargetMachine.h
@@ -237,6 +237,9 @@ class TargetMachine {
   void setSupportsDefaultOutlining(bool Enable) {
     Options.SupportsDefaultOutlining = Enable;
   }
+  void setSupportsDebugEntryValues(bool Enable) {
+    Options.SupportsDebugEntryValues = Enable;
+  }
 
   bool shouldPrintMachineCode() const { return Options.PrintMachineCode; }
 

diff  --git a/llvm/include/llvm/Target/TargetOptions.h b/llvm/include/llvm/Target/TargetOptions.h
index 4588d8474abc..5b96dd0d5798 100644
--- a/llvm/include/llvm/Target/TargetOptions.h
+++ b/llvm/include/llvm/Target/TargetOptions.h
@@ -119,8 +119,8 @@ namespace llvm {
           ExplicitEmulatedTLS(false), EnableIPRA(false),
           EmitStackSizeSection(false), EnableMachineOutliner(false),
           SupportsDefaultOutlining(false), EmitAddrsig(false),
-          EmitCallSiteInfo(false), EnableDebugEntryValues(false),
-          ForceDwarfFrameSection(false) {}
+          EmitCallSiteInfo(false), SupportsDebugEntryValues(false),
+          EnableDebugEntryValues(false), ForceDwarfFrameSection(false) {}
 
     /// PrintMachineCode - This flag is enabled when the -print-machineinstrs
     /// option is specified on the command line, and should enable debugging
@@ -261,8 +261,16 @@ namespace llvm {
     /// info, and it is restricted only to optimized code. This can be used for
     /// something else, so that should be controlled in the frontend.
     unsigned EmitCallSiteInfo : 1;
-    /// Emit debug info about parameter's entry values.
-    unsigned EnableDebugEntryValues : 1;
+    /// Set if the target supports the debug entry values by default.
+    unsigned SupportsDebugEntryValues : 1;
+    /// When set to true, the EnableDebugEntryValues option forces production
+    /// of debug entry values even if the target does not officially support
+    /// it. Useful for testing purposes only. This flag should never be checked
+    /// directly, always use \ref ShouldEmitDebugEntryValues instead.
+     unsigned EnableDebugEntryValues : 1;
+    /// NOTE: There are targets that still do not support the debug entry values
+    /// production.
+    bool ShouldEmitDebugEntryValues() const;
 
     /// Emit DWARF debug frame section.
     unsigned ForceDwarfFrameSection : 1;

diff  --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 1b1ce14f0ea1..4e5888eed494 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -95,6 +95,10 @@ static cl::opt<bool> UseDwarfRangesBaseAddressSpecifier(
     "use-dwarf-ranges-base-address-specifier", cl::Hidden,
     cl::desc("Use base address specifiers in debug_ranges"), cl::init(false));
 
+static cl::opt<bool> EmitDwarfDebugEntryValues(
+    "emit-debug-entry-values", cl::Hidden,
+    cl::desc("Emit the debug entry values"), cl::init(false));
+
 static cl::opt<bool> GenerateARangeSection("generate-arange-section",
                                            cl::Hidden,
                                            cl::desc("Generate dwarf aranges"),
@@ -419,6 +423,12 @@ DwarfDebug::DwarfDebug(AsmPrinter *A, Module *M)
   // a monolithic string offsets table without any header.
   UseSegmentedStringOffsetsTable = DwarfVersion >= 5;
 
+  // Emit call-site-param debug info for GDB and LLDB, if the target supports
+  // the debug entry values feature. It can also be enabled explicitly.
+  EmitDebugEntryValues = (Asm->TM.Options.ShouldEmitDebugEntryValues() &&
+                          (tuneForGDB() || tuneForLLDB())) ||
+                         EmitDwarfDebugEntryValues;
+
   Asm->OutStreamer->getContext().setDwarfVersion(DwarfVersion);
 }
 
@@ -883,9 +893,8 @@ void DwarfDebug::constructCallSiteEntryDIEs(const DISubprogram &SP,
       DIE &CallSiteDIE = CU.constructCallSiteEntryDIE(ScopeDIE, CalleeDIE,
                                                       IsTail, PCAddr, CallReg);
 
-      // GDB and LLDB support call site parameter debug info.
-      if (Asm->TM.Options.EnableDebugEntryValues &&
-          (tuneForGDB() || tuneForLLDB())) {
+      // Optionally emit call-site-param debug info.
+      if (emitDebugEntryValues()) {
         ParamSet Params;
         // Try to interpret values of call site parameters.
         collectCallSiteParameters(&MI, Params);

diff  --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h
index a44960589d89..882fc739d792 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h
@@ -386,6 +386,11 @@ class DwarfDebug : public DebugHandlerBase {
   /// a monolithic sequence of string offsets.
   bool UseSegmentedStringOffsetsTable;
 
+  /// Enable production of call site parameters needed to print the debug entry
+  /// values. Useful for testing purposes when a debugger does not support the
+  /// feature yet.
+  bool EmitDebugEntryValues;
+
   /// Separated Dwarf Variables
   /// In general these will all be for bits that are left in the
   /// original object file, rather than things that are meant
@@ -708,6 +713,10 @@ class DwarfDebug : public DebugHandlerBase {
     return UseSegmentedStringOffsetsTable;
   }
 
+  bool emitDebugEntryValues() const {
+    return EmitDebugEntryValues;
+  }
+
   bool shareAcrossDWOCUs() const;
 
   /// Returns the Dwarf Version.

diff  --git a/llvm/lib/CodeGen/LiveDebugValues.cpp b/llvm/lib/CodeGen/LiveDebugValues.cpp
index 94c5cc58ac1e..a013c419b7c7 100644
--- a/llvm/lib/CodeGen/LiveDebugValues.cpp
+++ b/llvm/lib/CodeGen/LiveDebugValues.cpp
@@ -1125,7 +1125,7 @@ void LiveDebugValues::transferRegisterDef(
 
   if (auto *TPC = getAnalysisIfAvailable<TargetPassConfig>()) {
     auto &TM = TPC->getTM<TargetMachine>();
-    if (TM.Options.EnableDebugEntryValues)
+    if (TM.Options.ShouldEmitDebugEntryValues())
       emitEntryValues(MI, OpenRanges, VarLocIDs, Transfers, KillSet);
   }
 }
@@ -1630,7 +1630,7 @@ void LiveDebugValues::recordEntryValue(const MachineInstr &MI,
                                        VarLocMap &VarLocIDs) {
   if (auto *TPC = getAnalysisIfAvailable<TargetPassConfig>()) {
     auto &TM = TPC->getTM<TargetMachine>();
-    if (!TM.Options.EnableDebugEntryValues)
+    if (!TM.Options.ShouldEmitDebugEntryValues())
       return;
   }
 

diff  --git a/llvm/lib/CodeGen/TargetOptionsImpl.cpp b/llvm/lib/CodeGen/TargetOptionsImpl.cpp
index d794a261ecb2..4866d4c171c0 100644
--- a/llvm/lib/CodeGen/TargetOptionsImpl.cpp
+++ b/llvm/lib/CodeGen/TargetOptionsImpl.cpp
@@ -45,3 +45,9 @@ bool TargetOptions::DisableFramePointerElim(const MachineFunction &MF) const {
 bool TargetOptions::HonorSignDependentRoundingFPMath() const {
   return !UnsafeFPMath && HonorSignDependentRoundingFPMathOption;
 }
+
+/// NOTE: There are targets that still do not support the debug entry values
+/// production.
+bool TargetOptions::ShouldEmitDebugEntryValues() const {
+  return SupportsDebugEntryValues || EnableDebugEntryValues;
+}

diff  --git a/llvm/lib/Target/AArch64/AArch64TargetMachine.cpp b/llvm/lib/Target/AArch64/AArch64TargetMachine.cpp
index a5676d286ebe..62ae04a07808 100644
--- a/llvm/lib/Target/AArch64/AArch64TargetMachine.cpp
+++ b/llvm/lib/Target/AArch64/AArch64TargetMachine.cpp
@@ -309,6 +309,9 @@ AArch64TargetMachine::AArch64TargetMachine(const Target &T, const Triple &TT,
 
   // AArch64 supports default outlining behaviour.
   setSupportsDefaultOutlining(true);
+
+  // AArch64 supports the debug entry values.
+  setSupportsDebugEntryValues(true);
 }
 
 AArch64TargetMachine::~AArch64TargetMachine() = default;

diff  --git a/llvm/lib/Target/ARM/ARMTargetMachine.cpp b/llvm/lib/Target/ARM/ARMTargetMachine.cpp
index 84876eda33a6..63aa65267ef2 100644
--- a/llvm/lib/Target/ARM/ARMTargetMachine.cpp
+++ b/llvm/lib/Target/ARM/ARMTargetMachine.cpp
@@ -243,6 +243,9 @@ ARMBaseTargetMachine::ARMBaseTargetMachine(const Target &T, const Triple &TT,
     this->Options.NoTrapAfterNoreturn = true;
   }
 
+  // ARM supports the debug entry values.
+  setSupportsDebugEntryValues(true);
+
   initAsmInfo();
 }
 

diff  --git a/llvm/lib/Target/X86/X86TargetMachine.cpp b/llvm/lib/Target/X86/X86TargetMachine.cpp
index 22b4e2805a5e..0cfa7bb04771 100644
--- a/llvm/lib/Target/X86/X86TargetMachine.cpp
+++ b/llvm/lib/Target/X86/X86TargetMachine.cpp
@@ -232,6 +232,9 @@ X86TargetMachine::X86TargetMachine(const Target &T, const Triple &TT,
 
   setMachineOutliner(true);
 
+  // x86 supports the debug entry values.
+  setSupportsDebugEntryValues(true);
+
   initAsmInfo();
 }
 

diff  --git a/llvm/test/CodeGen/MIR/Hexagon/bundled-call-site-info.mir b/llvm/test/CodeGen/MIR/Hexagon/bundled-call-site-info.mir
index fec542223fc9..e4100543d3c7 100644
--- a/llvm/test/CodeGen/MIR/Hexagon/bundled-call-site-info.mir
+++ b/llvm/test/CodeGen/MIR/Hexagon/bundled-call-site-info.mir
@@ -1,3 +1,5 @@
+# We do not support the call site info for the target now, so we use the experimental option (-emit-call-site-info -debug-entry-values).
+
 # RUN: llc -emit-call-site-info -debug-entry-values -run-pass=none -verify-machineinstrs -o - %s | FileCheck %s
 
 # Verify that it is possible to read and write MIR where a callSites entry

diff  --git a/llvm/test/CodeGen/MIR/X86/call-site-info-error4.mir b/llvm/test/CodeGen/MIR/X86/call-site-info-error4.mir
index 2472aa707e16..d5bd82c71080 100644
--- a/llvm/test/CodeGen/MIR/X86/call-site-info-error4.mir
+++ b/llvm/test/CodeGen/MIR/X86/call-site-info-error4.mir
@@ -1,5 +1,5 @@
-# RUN: not llc -mtriple=x86_64-- -run-pass none %s -o - 2>&1 | FileCheck %s
-# CHECK: Call site info provided but not used
+# RUN: llc -emit-call-site-info -mtriple=x86_64-- -run-pass none %s -o - 2>&1 | FileCheck %s
+# CHECK-NOT: Call site info provided but not used
 --- |
   define dso_local i32 @baa(i32 %a) local_unnamed_addr {
   entry:

diff  --git a/llvm/test/CodeGen/X86/call-site-info-output.ll b/llvm/test/CodeGen/X86/call-site-info-output.ll
index a0438f0c2b98..0686f184b526 100644
--- a/llvm/test/CodeGen/X86/call-site-info-output.ll
+++ b/llvm/test/CodeGen/X86/call-site-info-output.ll
@@ -1,6 +1,6 @@
 ; Test call site info MIR printer and parser.Parser assertions and machine
 ; verifier will check the rest;
-; RUN: llc -emit-call-site-info -debug-entry-values %s -stop-before=finalize-isel -o %t.mir
+; RUN: llc -emit-call-site-info %s -stop-before=finalize-isel -o %t.mir
 ; RUN: cat %t.mir | FileCheck %s
 ; CHECK: name: fn2
 ; CHECK: callSites:
@@ -10,7 +10,7 @@
 ; CHECK-NEXT:   arg: 0, reg: '$edi'
 ; CHECK-NEXT:   arg: 1, reg: '$esi'
 ; CHECK-NEXT:   arg: 2, reg: '$edx'
-; RUN: llc -emit-call-site-info -debug-entry-values %t.mir -run-pass=finalize-isel -o -| FileCheck %s --check-prefix=PARSER
+; RUN: llc -emit-call-site-info %t.mir -run-pass=finalize-isel -o -| FileCheck %s --check-prefix=PARSER
 ; Verify that we are able to parse output mir and that we are getting the same result.
 ; PARSER: name: fn2
 ; PARSER: callSites:

diff  --git a/llvm/test/DebugInfo/MIR/AArch64/dbgcall-site-orr-moves.mir b/llvm/test/DebugInfo/MIR/AArch64/dbgcall-site-orr-moves.mir
index ed2a7d903885..e3ee2cac4fa9 100644
--- a/llvm/test/DebugInfo/MIR/AArch64/dbgcall-site-orr-moves.mir
+++ b/llvm/test/DebugInfo/MIR/AArch64/dbgcall-site-orr-moves.mir
@@ -1,4 +1,4 @@
-# RUN: llc -emit-call-site-info -debug-entry-values -start-after=livedebugvalues -filetype=obj -o - %s | llvm-dwarfdump - | FileCheck %s
+# RUN: llc -emit-call-site-info -start-after=livedebugvalues -filetype=obj -o - %s | llvm-dwarfdump - | FileCheck %s
 
 # Based on the following C reproducer:
 #

diff  --git a/llvm/test/DebugInfo/MIR/ARM/call-site-info-vmovd.mir b/llvm/test/DebugInfo/MIR/ARM/call-site-info-vmovd.mir
index bd42c229d29c..8f7f789eb8fb 100644
--- a/llvm/test/DebugInfo/MIR/ARM/call-site-info-vmovd.mir
+++ b/llvm/test/DebugInfo/MIR/ARM/call-site-info-vmovd.mir
@@ -1,4 +1,4 @@
-# RUN: llc -O1 -emit-call-site-info -debug-entry-values -filetype=obj -mtriple thumbv7em-apple-unknown-macho -start-after=machineverifier %s -o %t.o
+# RUN: llc -O1 -emit-call-site-info -filetype=obj -mtriple thumbv7em-apple-unknown-macho -start-after=machineverifier %s -o %t.o
 # RUN: llvm-dwarfdump %t.o | FileCheck %s
 
 # Crash test, reduced from:

diff  --git a/llvm/test/DebugInfo/MIR/ARM/call-site-info-vmovs.mir b/llvm/test/DebugInfo/MIR/ARM/call-site-info-vmovs.mir
index 2cf7e4d1c87f..e3f1031796a0 100644
--- a/llvm/test/DebugInfo/MIR/ARM/call-site-info-vmovs.mir
+++ b/llvm/test/DebugInfo/MIR/ARM/call-site-info-vmovs.mir
@@ -1,4 +1,4 @@
-# RUN: llc -O1 -emit-call-site-info -debug-entry-values -filetype=obj -mtriple thumbv7em-apple-unknown-macho -start-after=machineverifier %s -o %t.o
+# RUN: llc -O1 -emit-call-site-info -filetype=obj -mtriple thumbv7em-apple-unknown-macho -start-after=machineverifier %s -o %t.o
 # RUN: llvm-dwarfdump %t.o | FileCheck %s
 
 # Crash test, reduced from:

diff  --git a/llvm/test/DebugInfo/MIR/ARM/dbgcall-site-propagated-value.mir b/llvm/test/DebugInfo/MIR/ARM/dbgcall-site-propagated-value.mir
index 5b84d9e9627f..b25b1c90d634 100644
--- a/llvm/test/DebugInfo/MIR/ARM/dbgcall-site-propagated-value.mir
+++ b/llvm/test/DebugInfo/MIR/ARM/dbgcall-site-propagated-value.mir
@@ -1,4 +1,4 @@
-# RUN: llc -emit-call-site-info -debug-entry-values -run-pass=livedebugvalues -o - %s | FileCheck %s
+# RUN: llc -run-pass=livedebugvalues -o - %s | FileCheck %s
 
 # Based on the following C reproducer:
 #
@@ -106,10 +106,6 @@
 name:            caller
 alignment:       4
 tracksRegLiveness: true
-callSites:
-  - { bb: 0, offset: 6 }
-  - { bb: 0, offset: 9, fwdArgRegs:
-      - { arg: 0, reg: '$r0' } }
 body:             |
   bb.0:
     liveins: $lr

diff  --git a/llvm/test/DebugInfo/MIR/Hexagon/dbgcall-site-instr-before-bundled-call.mir b/llvm/test/DebugInfo/MIR/Hexagon/dbgcall-site-instr-before-bundled-call.mir
index 3ae23d4189bf..9baa815a0458 100644
--- a/llvm/test/DebugInfo/MIR/Hexagon/dbgcall-site-instr-before-bundled-call.mir
+++ b/llvm/test/DebugInfo/MIR/Hexagon/dbgcall-site-instr-before-bundled-call.mir
@@ -1,4 +1,6 @@
-# RUN: llc -mtriple hexagon -emit-call-site-info -debug-entry-values -start-after=machineverifier -filetype=obj %s -o - | llvm-dwarfdump - | FileCheck %s
+# We do not support the call site info for the target now, so we use the experimental option (-emit-call-site-info -debug-entry-values).
+
+# RUN: llc -emit-call-site-info -debug-entry-values -mtriple hexagon -start-after=machineverifier -filetype=obj %s -o - | llvm-dwarfdump - | FileCheck %s
 
 # Based on the following C reproducer:
 #

diff  --git a/llvm/test/DebugInfo/MIR/Hexagon/live-debug-values-bundled-entry-values.mir b/llvm/test/DebugInfo/MIR/Hexagon/live-debug-values-bundled-entry-values.mir
index 8bb0b3202acd..2ed3672c2ec3 100644
--- a/llvm/test/DebugInfo/MIR/Hexagon/live-debug-values-bundled-entry-values.mir
+++ b/llvm/test/DebugInfo/MIR/Hexagon/live-debug-values-bundled-entry-values.mir
@@ -1,3 +1,5 @@
+# We do not support the call site info for the target now, so we use the experimental option (-emit-call-site-info -debug-entry-values).
+
 # RUN: llc -emit-call-site-info -debug-entry-values -run-pass=livedebugvalues -o - %s | FileCheck %s
 
 # Verify that the entry values for the input parameters are inserted after the

diff  --git a/llvm/test/DebugInfo/MIR/SystemZ/call-site-lzer.mir b/llvm/test/DebugInfo/MIR/SystemZ/call-site-lzer.mir
index 3cf41467f7f9..f173c9d780fa 100644
--- a/llvm/test/DebugInfo/MIR/SystemZ/call-site-lzer.mir
+++ b/llvm/test/DebugInfo/MIR/SystemZ/call-site-lzer.mir
@@ -1,3 +1,5 @@
+# We do not support the call site info for the target now, so we use the experimental option (-emit-call-site-info -debug-entry-values).
+
 # RUN: llc -emit-call-site-info -debug-entry-values -start-after=livedebugvalues -o - %s | FileCheck %s
 
 # This test would previously trigger an assertion when trying to describe the

diff  --git a/llvm/test/DebugInfo/MIR/X86/DW_OP_entry_value.mir b/llvm/test/DebugInfo/MIR/X86/DW_OP_entry_value.mir
index 4e5a07321d42..f7f74b628d16 100644
--- a/llvm/test/DebugInfo/MIR/X86/DW_OP_entry_value.mir
+++ b/llvm/test/DebugInfo/MIR/X86/DW_OP_entry_value.mir
@@ -1,4 +1,4 @@
-# RUN: llc -emit-call-site-info -debug-entry-values -start-before=livedebugvalues -mtriple=x86_64-apple-darwin -o %t %s -filetype=obj
+# RUN: llc -start-before=livedebugvalues -mtriple=x86_64-apple-darwin -o %t %s -filetype=obj
 # RUN: llvm-dwarfdump %t | FileCheck %s
 #
 # int global;

diff  --git a/llvm/test/DebugInfo/MIR/X86/call-site-gnu-vs-dwarf5-attrs.mir b/llvm/test/DebugInfo/MIR/X86/call-site-gnu-vs-dwarf5-attrs.mir
index 891fbb60b36e..63d03050918f 100644
--- a/llvm/test/DebugInfo/MIR/X86/call-site-gnu-vs-dwarf5-attrs.mir
+++ b/llvm/test/DebugInfo/MIR/X86/call-site-gnu-vs-dwarf5-attrs.mir
@@ -1,17 +1,21 @@
 # Test the call site encoding in DWARF5 vs GNU extensions.
 #
-# RUN: llc -dwarf-version 4 -debugger-tune=gdb -emit-call-site-info -debug-entry-values -filetype=obj \
+# RUN: llc -emit-call-site-info -dwarf-version 4 -debugger-tune=gdb -filetype=obj \
 # RUN:     -mtriple=x86_64-unknown-unknown -start-after=machineverifier -o - %s  \
 # RUN:     | llvm-dwarfdump - | FileCheck %s -check-prefixes=CHECK-GNU
 #
-# RUN: llc -dwarf-version 5 -debugger-tune=lldb -emit-call-site-info -debug-entry-values -filetype=obj \
+# RUN: llc -emit-call-site-info -dwarf-version 5 -debugger-tune=lldb -filetype=obj \
 # RUN:     -mtriple=x86_64-unknown-unknown -start-after=machineverifier -o - %s   \
 # RUN:     | llvm-dwarfdump - | FileCheck %s -check-prefixes=CHECK-DWARF5
 #
-# RUN: llc -dwarf-version 5 -emit-call-site-info -debug-entry-values -filetype=obj \
+# RUN: llc -emit-call-site-info -dwarf-version 5 -filetype=obj \
 # RUN:     -mtriple=x86_64-unknown-unknown -start-after=machineverifier -o - %s   \
 # RUN:     | llvm-dwarfdump - | FileCheck %s -check-prefixes=CHECK-DWARF5
 #
+# RUN: llc -emit-call-site-info -dwarf-version 5 -filetype=obj -debugger-tune=sce \
+# RUN:     -emit-debug-entry-values -debug-entry-values -mtriple=x86_64-unknown-unknown \
+# RUN:     -start-after=machineverifier -o - %s | llvm-dwarfdump - | FileCheck %s -check-prefixes=CHECK-DWARF5
+#
 # This is based on the following reproducer:
 #
 # extern void fn();

diff  --git a/llvm/test/DebugInfo/MIR/X86/dbgcall-site-copy-super-sub.mir b/llvm/test/DebugInfo/MIR/X86/dbgcall-site-copy-super-sub.mir
index 01a2b887a60b..347a0ec09bb2 100644
--- a/llvm/test/DebugInfo/MIR/X86/dbgcall-site-copy-super-sub.mir
+++ b/llvm/test/DebugInfo/MIR/X86/dbgcall-site-copy-super-sub.mir
@@ -1,4 +1,4 @@
-# RUN: llc -emit-call-site-info -debug-entry-values -start-after=livedebugvalues -filetype=obj %s -o -| llvm-dwarfdump -| FileCheck %s
+# RUN: llc -emit-call-site-info -start-after=livedebugvalues -filetype=obj %s -o -| llvm-dwarfdump -| FileCheck %s
 
 # Based on the following reproducer:
 #

diff  --git a/llvm/test/DebugInfo/MIR/X86/dbgcall-site-interpretation.mir b/llvm/test/DebugInfo/MIR/X86/dbgcall-site-interpretation.mir
index d6c6b3018462..b142313871eb 100644
--- a/llvm/test/DebugInfo/MIR/X86/dbgcall-site-interpretation.mir
+++ b/llvm/test/DebugInfo/MIR/X86/dbgcall-site-interpretation.mir
@@ -1,4 +1,4 @@
-# RUN: llc -emit-call-site-info -debug-entry-values -start-after=machineverifier -filetype=obj %s -o -| llvm-dwarfdump -| FileCheck %s
+# RUN: llc -emit-call-site-info -start-after=machineverifier -filetype=obj %s -o -| llvm-dwarfdump -| FileCheck %s
 #
 # CHECK:        DW_TAG_GNU_call_site
 # CHECK-NEXT:     DW_AT_abstract_origin {{.*}} "foo"

diff  --git a/llvm/test/DebugInfo/MIR/X86/dbgcall-site-lea-interpretation.mir b/llvm/test/DebugInfo/MIR/X86/dbgcall-site-lea-interpretation.mir
index 4d88fa9aab74..79e40b65c420 100644
--- a/llvm/test/DebugInfo/MIR/X86/dbgcall-site-lea-interpretation.mir
+++ b/llvm/test/DebugInfo/MIR/X86/dbgcall-site-lea-interpretation.mir
@@ -1,4 +1,4 @@
-# RUN: llc -emit-call-site-info -debug-entry-values -start-after=machineverifier -filetype=obj %s -o -| llvm-dwarfdump -| FileCheck %s
+# RUN: llc -emit-call-site-info -start-after=machineverifier -filetype=obj %s -o -| llvm-dwarfdump -| FileCheck %s
 # CHECK:        DW_TAG_GNU_call_site
 # CHECK-NEXT:     DW_AT_abstract_origin {{.*}} "foo")
 # CHECK-NEXT:     DW_AT_low_pc {{.*}}

diff  --git a/llvm/test/DebugInfo/MIR/X86/dbgcall-site-partial-describe.mir b/llvm/test/DebugInfo/MIR/X86/dbgcall-site-partial-describe.mir
index b97785d650c9..f0902bbe41d6 100644
--- a/llvm/test/DebugInfo/MIR/X86/dbgcall-site-partial-describe.mir
+++ b/llvm/test/DebugInfo/MIR/X86/dbgcall-site-partial-describe.mir
@@ -1,4 +1,4 @@
-# RUN: llc -emit-call-site-info -debug-entry-values -start-before=livedebugvalues -filetype=obj -o - %s \
+# RUN: llc -emit-call-site-info -start-before=livedebugvalues -filetype=obj -o - %s \
 # RUN:     | llvm-dwarfdump - | FileCheck %s --implicit-check-not=DW_TAG_GNU_call_site_parameter
 
 --- |

diff  --git a/llvm/test/DebugInfo/MIR/X86/dbgcall-site-reference.mir b/llvm/test/DebugInfo/MIR/X86/dbgcall-site-reference.mir
index 81af598ba194..73927772ca08 100644
--- a/llvm/test/DebugInfo/MIR/X86/dbgcall-site-reference.mir
+++ b/llvm/test/DebugInfo/MIR/X86/dbgcall-site-reference.mir
@@ -1,4 +1,4 @@
-# RUN: llc -emit-call-site-info -debug-entry-values -start-before=livedebugvalues -filetype=obj -o - %s | llvm-dwarfdump - | FileCheck %s
+# RUN: llc -start-before=livedebugvalues -filetype=obj -o - %s | llvm-dwarfdump - | FileCheck %s
 
 # Based on the following C++ code:
 # struct A { A(A &) {} };

diff  --git a/llvm/test/DebugInfo/MIR/X86/dbgcall-site-reg-shuffle.mir b/llvm/test/DebugInfo/MIR/X86/dbgcall-site-reg-shuffle.mir
index 1baf66393c49..27a03193e816 100644
--- a/llvm/test/DebugInfo/MIR/X86/dbgcall-site-reg-shuffle.mir
+++ b/llvm/test/DebugInfo/MIR/X86/dbgcall-site-reg-shuffle.mir
@@ -1,4 +1,4 @@
-# RUN: llc -emit-call-site-info -debug-entry-values -start-before=livedebugvalues -filetype=obj -o - %s \
+# RUN: llc -emit-call-site-info -start-before=livedebugvalues -filetype=obj -o - %s \
 # RUN:     | llvm-dwarfdump - | FileCheck %s --implicit-check-not=DW_TAG_GNU_call_site_parameter
 
 --- |

diff  --git a/llvm/test/DebugInfo/MIR/X86/dbgcall-site-two-fwd-reg-defs.mir b/llvm/test/DebugInfo/MIR/X86/dbgcall-site-two-fwd-reg-defs.mir
index ac97da66a397..c1bdbd0783ac 100644
--- a/llvm/test/DebugInfo/MIR/X86/dbgcall-site-two-fwd-reg-defs.mir
+++ b/llvm/test/DebugInfo/MIR/X86/dbgcall-site-two-fwd-reg-defs.mir
@@ -1,4 +1,4 @@
-# RUN: llc -O1 -emit-call-site-info -debug-entry-values -start-after=livedebugvalues -filetype=obj %s -o - | llvm-dwarfdump - | FileCheck %s
+# RUN: llc -O1 -emit-call-site-info -start-after=livedebugvalues -filetype=obj %s -o - | llvm-dwarfdump - | FileCheck %s
 
 # Based on the following C reproducer:
 #

diff  --git a/llvm/test/DebugInfo/MIR/X86/dbginfo-entryvals.mir b/llvm/test/DebugInfo/MIR/X86/dbginfo-entryvals.mir
index 9346b513cf48..302cce20a15a 100644
--- a/llvm/test/DebugInfo/MIR/X86/dbginfo-entryvals.mir
+++ b/llvm/test/DebugInfo/MIR/X86/dbginfo-entryvals.mir
@@ -1,4 +1,4 @@
-# RUN: llc -emit-call-site-info -debug-entry-values -run-pass=livedebugvalues -verify-machineinstrs -march=x86-64 -o - %s | FileCheck %s
+# RUN: llc -run-pass=livedebugvalues -verify-machineinstrs -march=x86-64 -o - %s | FileCheck %s
 #
 #extern void fn2(int);
 #

diff  --git a/llvm/test/DebugInfo/MIR/X86/debug-call-site-param.mir b/llvm/test/DebugInfo/MIR/X86/debug-call-site-param.mir
index 2a78919afd43..c5ca4f1b2a14 100644
--- a/llvm/test/DebugInfo/MIR/X86/debug-call-site-param.mir
+++ b/llvm/test/DebugInfo/MIR/X86/debug-call-site-param.mir
@@ -2,8 +2,8 @@
 # When the debugger tuning is set to gdb, use GNU opcodes.
 # For lldb, use the standard DWARF5 opcodes.
 
-# RUN: llc -emit-call-site-info -debug-entry-values -debugger-tune=gdb -filetype=obj -mtriple=x86_64-unknown-unknown -start-after=machineverifier -o - %s | llvm-dwarfdump - | FileCheck %s -check-prefixes=CHECK-GNU
-# RUN: llc -emit-call-site-info -debug-entry-values -debugger-tune=lldb -filetype=obj -mtriple=x86_64-unknown-unknown -start-after=machineverifier -o - %s | llvm-dwarfdump - | FileCheck %s -check-prefixes=CHECK-DWARF5
+# RUN: llc -emit-call-site-info -debugger-tune=gdb -filetype=obj -mtriple=x86_64-unknown-unknown -start-after=machineverifier -o - %s | llvm-dwarfdump - | FileCheck %s -check-prefixes=CHECK-GNU
+# RUN: llc -emit-call-site-info -debugger-tune=lldb -filetype=obj -mtriple=x86_64-unknown-unknown -start-after=machineverifier -o - %s | llvm-dwarfdump - | FileCheck %s -check-prefixes=CHECK-DWARF5
 #
 # extern void foo(int *a, int b, int c, int d, int e, int f);
 # extern int getVal();

diff  --git a/llvm/test/DebugInfo/MIR/X86/entry-value-of-modified-param.mir b/llvm/test/DebugInfo/MIR/X86/entry-value-of-modified-param.mir
index 541a2155578e..0dd63ae98009 100644
--- a/llvm/test/DebugInfo/MIR/X86/entry-value-of-modified-param.mir
+++ b/llvm/test/DebugInfo/MIR/X86/entry-value-of-modified-param.mir
@@ -1,4 +1,4 @@
-# RUN: llc -emit-call-site-info -debug-entry-values -run-pass=livedebugvalues -march=x86-64 -o - %s | FileCheck %s
+# RUN: llc -run-pass=livedebugvalues -march=x86-64 -o - %s | FileCheck %s
 #
 #extern void fn1 (int, int, int);
 #
@@ -85,11 +85,6 @@
 ---
 name:            fn2
 alignment:       16
-callSites:
-  - { bb: 0, offset: 14, fwdArgRegs:
-      - { arg: 0, reg: '$edi' }
-      - { arg: 1, reg: '$esi' }
-      - { arg: 2, reg: '$edx' } }
 body:             |
   bb.0.entry:
     liveins: $edi, $esi, $rbx

diff  --git a/llvm/test/DebugInfo/MIR/X86/entry-values-diamond-bbs.mir b/llvm/test/DebugInfo/MIR/X86/entry-values-diamond-bbs.mir
index 042d76058a22..fc7bd93d0223 100644
--- a/llvm/test/DebugInfo/MIR/X86/entry-values-diamond-bbs.mir
+++ b/llvm/test/DebugInfo/MIR/X86/entry-values-diamond-bbs.mir
@@ -1,4 +1,4 @@
-# RUN: llc -emit-call-site-info -debug-entry-values -run-pass=livedebugvalues -march=x86-64 -o - %s | FileCheck %s
+# RUN: llc -run-pass=livedebugvalues -march=x86-64 -o - %s | FileCheck %s
 #
 # The test case was artificially adjusted, in order to make proper diamond basic
 # block structure relevant to the debug entry values propagation.

diff  --git a/llvm/test/DebugInfo/MIR/X86/propagate-entry-value-cross-bbs.mir b/llvm/test/DebugInfo/MIR/X86/propagate-entry-value-cross-bbs.mir
index c5af863954bf..34f80f5ca2a3 100644
--- a/llvm/test/DebugInfo/MIR/X86/propagate-entry-value-cross-bbs.mir
+++ b/llvm/test/DebugInfo/MIR/X86/propagate-entry-value-cross-bbs.mir
@@ -1,4 +1,4 @@
-# RUN: llc -emit-call-site-info -debug-entry-values -run-pass=livedebugvalues -march=x86-64 -o - %s | FileCheck %s
+# RUN: llc -run-pass=livedebugvalues -march=x86-64 -o - %s | FileCheck %s
 #
 #extern void fn1 (int, int, int);
 #__attribute__((noinline))
@@ -110,15 +110,6 @@
 ---
 name:            fn2
 alignment:       16
-callSites:
-  - { bb: 0, offset: 20, fwdArgRegs:
-      - { arg: 0, reg: '$edi' }
-      - { arg: 1, reg: '$esi' }
-      - { arg: 2, reg: '$edx' } }
-  - { bb: 3, offset: 2, fwdArgRegs:
-      - { arg: 0, reg: '$edi' }
-      - { arg: 1, reg: '$esi' }
-      - { arg: 2, reg: '$edx' } }
 body:             |
   bb.0.entry:
     successors: %bb.1(0x40000000), %bb.2(0x40000000)

diff  --git a/llvm/test/DebugInfo/MIR/X86/unreachable-block-call-site.mir b/llvm/test/DebugInfo/MIR/X86/unreachable-block-call-site.mir
index ea9c12b5a192..bfc5c2be127e 100644
--- a/llvm/test/DebugInfo/MIR/X86/unreachable-block-call-site.mir
+++ b/llvm/test/DebugInfo/MIR/X86/unreachable-block-call-site.mir
@@ -1,4 +1,4 @@
-# RUN: llc -mtriple=x86_64-pc-linux -emit-call-site-info -debug-entry-values -run-pass=unreachable-mbb-elimination -o - %s | FileCheck %s
+# RUN: llc -emit-call-site-info -mtriple=x86_64-pc-linux -run-pass=unreachable-mbb-elimination -o - %s | FileCheck %s
 
 # Verify that the call site information for the call residing in the eliminated
 # block is removed. This test case would previously trigger an assertion when

diff  --git a/llvm/test/DebugInfo/X86/dbg-value-range.ll b/llvm/test/DebugInfo/X86/dbg-value-range.ll
index e0cfe5f15ee9..9159d2aac780 100644
--- a/llvm/test/DebugInfo/X86/dbg-value-range.ll
+++ b/llvm/test/DebugInfo/X86/dbg-value-range.ll
@@ -56,6 +56,6 @@ declare void @llvm.dbg.value(metadata, metadata, metadata) nounwind readnone
 ;CHECK-NEXT:	.quad	[[CLOBBER_OFF]]
 ;CHECK-NEXT:  .short 1 ## Loc expr size
 ;CHECK-NEXT:	.byte	85 ## DW_OP_reg
-;CHECK-NEXT:	.quad	0
+;CHECK:        .quad  0
 ;CHECK-NEXT:	.quad	0
 !24 = !{i32 1, !"Debug Info Version", i32 3}

diff  --git a/llvm/test/DebugInfo/X86/dbg-value-regmask-clobber.ll b/llvm/test/DebugInfo/X86/dbg-value-regmask-clobber.ll
index 440498a9d8dd..425a6cb38c41 100644
--- a/llvm/test/DebugInfo/X86/dbg-value-regmask-clobber.ll
+++ b/llvm/test/DebugInfo/X86/dbg-value-regmask-clobber.ll
@@ -9,8 +9,7 @@
 ; ASM: movl $1, x(%rip)
 ; ASM: callq clobber
 ; ASM-NEXT: [[argc_range_end:.Ltmp[0-9]+]]:
-; Previously LiveDebugValues would claim argc was still in ecx after the call.
-; ASM-NOT: #DEBUG_VALUE: main:argc
+; ASM: #DEBUG_VALUE: main:argc <- [DW_OP_LLVM_entry_value 1] $ecx
 
 ; argc is the first debug location.
 ; ASM: .Ldebug_loc1:
@@ -23,7 +22,8 @@
 ; DWARF: .debug_info contents:
 ; DWARF:  DW_TAG_formal_parameter
 ; DWARF-NEXT:    DW_AT_location ({{0x.*}}
-; DWARF-NEXT:      [0x0000000000000000, 0x0000000000000013): DW_OP_reg2 RCX)
+; DWARF-NEXT:    [0x0000000000000000, 0x0000000000000013): DW_OP_reg2 RCX
+; DWARF-NEXT:    [0x0000000000000013, 0x0000000000000043): DW_OP_GNU_entry_value(DW_OP_reg2 RCX), DW_OP_stack_value
 ; DWARF-NEXT:    DW_AT_name ("argc")
 
 ; ModuleID = 't.cpp'

diff  --git a/llvm/test/DebugInfo/X86/dbgcall-site-64-bit-imms.ll b/llvm/test/DebugInfo/X86/dbgcall-site-64-bit-imms.ll
index b8cd9574cc63..f12dfa6196c1 100644
--- a/llvm/test/DebugInfo/X86/dbgcall-site-64-bit-imms.ll
+++ b/llvm/test/DebugInfo/X86/dbgcall-site-64-bit-imms.ll
@@ -1,4 +1,4 @@
-; RUN: llc -O1 -emit-call-site-info -debug-entry-values -filetype=obj -o - %s | llvm-dwarfdump - | FileCheck %s
+; RUN: llc -emit-call-site-info -O1 -filetype=obj -o - %s | llvm-dwarfdump - | FileCheck %s
 
 ; Verify that the 64-bit call site immediates are not truncated.
 ;

diff  --git a/llvm/test/DebugInfo/X86/dbgcall-site-zero-valued-imms.ll b/llvm/test/DebugInfo/X86/dbgcall-site-zero-valued-imms.ll
index 5d37774f55d6..dc8c418117c7 100644
--- a/llvm/test/DebugInfo/X86/dbgcall-site-zero-valued-imms.ll
+++ b/llvm/test/DebugInfo/X86/dbgcall-site-zero-valued-imms.ll
@@ -1,4 +1,4 @@
-; RUN: llc -O3 -emit-call-site-info -debug-entry-values -filetype=obj -o - %s | llvm-dwarfdump - | FileCheck %s
+; RUN: llc -emit-call-site-info -O3 -filetype=obj -o - %s | llvm-dwarfdump - | FileCheck %s
 
 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
 target triple = "x86_64-unknown-linux-gnu"

diff  --git a/llvm/test/DebugInfo/X86/loclists-dwp.ll b/llvm/test/DebugInfo/X86/loclists-dwp.ll
index 91f838876338..a972c8094c5f 100644
--- a/llvm/test/DebugInfo/X86/loclists-dwp.ll
+++ b/llvm/test/DebugInfo/X86/loclists-dwp.ll
@@ -19,10 +19,12 @@
 ; void b(int i) { asm("" : : : "rdi"); }
 
 ; CHECK:      DW_AT_location [DW_FORM_sec_offset]   (0x00000000
-; CHECK-NEXT: DW_LLE_startx_length (0x0000000000000000, 0x0000000000000006): DW_OP_reg5 RDI)
+; CHECK-NEXT: DW_LLE_startx_length (0x0000000000000000, 0x0000000000000006): DW_OP_reg5 RDI
+; CHECK-NEXT: DW_LLE_startx_length (0x0000000000000001, 0x0000000000000002): DW_OP_GNU_entry_value(DW_OP_reg5 RDI), DW_OP_stack_value)
 
 ; CHECK:      DW_AT_location [DW_FORM_sec_offset]   (0x00000000
-; CHECK-NEXT: DW_LLE_startx_length (0x0000000000000000, 0x0000000000000000): DW_OP_reg5 RDI)
+; CHECK-NEXT: DW_LLE_startx_length (0x0000000000000000, 0x0000000000000000): DW_OP_reg5 RDI
+; CHECK-NEXT: DW_LLE_startx_length (0x0000000000000001, 0x0000000000000001): DW_OP_GNU_entry_value(DW_OP_reg5 RDI), DW_OP_stack_value)
 
 target triple = "x86_64-unknown-linux-gnu"
 

diff  --git a/llvm/test/DebugInfo/X86/no-entry-values-with-O0.ll b/llvm/test/DebugInfo/X86/no-entry-values-with-O0.ll
new file mode 100644
index 000000000000..8ba22b7b6e51
--- /dev/null
+++ b/llvm/test/DebugInfo/X86/no-entry-values-with-O0.ll
@@ -0,0 +1,88 @@
+; RUN: llc -O0  -dwarf-version=5 -debugger-tune=lldb -march=x86-64 -filetype=obj < %s \
+; RUN:  | llvm-dwarfdump - | FileCheck --implicit-check-not=DW_OP_entry_value %s
+; RUN: llc -O0  -dwarf-version=5 -debugger-tune=gdb -march=x86-64 -filetype=obj < %s \
+; RUN:  | llvm-dwarfdump - | FileCheck --implicit-check-not=DW_OP_entry_value %s
+
+; The call-site-params are created iff corresponding DISubprogram contains
+; the AllCallsDescribed DIFlag.
+; CHECK-NOT: DW_TAG_call_site_param
+
+; Genarated with:
+; clang -gdwarf-5 -O0 test.c -S -emit-llvm
+;
+; ModuleID = 'test.c'
+target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+; Function Attrs: noinline nounwind optnone uwtable
+define dso_local void @fn1(i32 %x, i32 %y) !dbg !7 {
+entry:
+  %x.addr = alloca i32, align 4
+  %y.addr = alloca i32, align 4
+  %u = alloca i32, align 4
+  %a = alloca i32, align 4
+  store i32 %x, i32* %x.addr, align 4
+  call void @llvm.dbg.declare(metadata i32* %x.addr, metadata !11, metadata !DIExpression()), !dbg !12
+  store i32 %y, i32* %y.addr, align 4
+  call void @llvm.dbg.declare(metadata i32* %y.addr, metadata !13, metadata !DIExpression()), !dbg !14
+  call void @llvm.dbg.declare(metadata i32* %u, metadata !15, metadata !DIExpression()), !dbg !16
+  %0 = load i32, i32* %x.addr, align 4, !dbg !16
+  %1 = load i32, i32* %y.addr, align 4, !dbg !16
+  %add = add nsw i32 %0, %1, !dbg !16
+  store i32 %add, i32* %u, align 4, !dbg !16
+  %2 = load i32, i32* %x.addr, align 4, !dbg !17
+  %cmp = icmp sgt i32 %2, 1, !dbg !17
+  br i1 %cmp, label %if.then, label %if.else, !dbg !16
+
+if.then:                                          ; preds = %entry
+  %3 = load i32, i32* %u, align 4, !dbg !17
+  %add1 = add nsw i32 %3, 1, !dbg !17
+  store i32 %add1, i32* %u, align 4, !dbg !17
+  br label %if.end, !dbg !17
+
+if.else:                                          ; preds = %entry
+  %4 = load i32, i32* %u, align 4, !dbg !17
+  %add2 = add nsw i32 %4, 2, !dbg !17
+  store i32 %add2, i32* %u, align 4, !dbg !17
+  br label %if.end
+
+if.end:                                           ; preds = %if.else, %if.then
+  call void @llvm.dbg.declare(metadata i32* %a, metadata !19, metadata !DIExpression()), !dbg !16
+  store i32 7, i32* %a, align 4, !dbg !16
+  %5 = load i32, i32* %a, align 4, !dbg !16
+  call void @fn2(i32 %5), !dbg !16
+  %6 = load i32, i32* %u, align 4, !dbg !16
+  %dec = add nsw i32 %6, -1, !dbg !16
+  store i32 %dec, i32* %u, align 4, !dbg !16
+  ret void, !dbg !16
+}
+
+; Function Attrs: nounwind readnone speculatable willreturn
+declare void @llvm.dbg.declare(metadata, metadata, metadata)
+
+declare dso_local void @fn2(i32)
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!3, !4, !5}
+!llvm.ident = !{!6}
+
+!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 11.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)
+!1 = !DIFile(filename: "test.c", directory: "/")
+!2 = !{}
+!3 = !{i32 7, !"Dwarf Version", i32 5}
+!4 = !{i32 2, !"Debug Info Version", i32 3}
+!5 = !{i32 1, !"wchar_size", i32 4}
+!6 = !{!"clang version 11.0.0"}
+!7 = distinct !DISubprogram(name: "fn1", scope: !1, file: !1, line: 5, type: !8, scopeLine: 5, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
+!8 = !DISubroutineType(types: !9)
+!9 = !{null, !10, !10}
+!10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
+!11 = !DILocalVariable(name: "x", arg: 1, scope: !7, file: !1, line: 5, type: !10)
+!12 = !DILocation(line: 5, column: 10, scope: !7)
+!13 = !DILocalVariable(name: "y", arg: 2, scope: !7, file: !1, line: 5, type: !10)
+!14 = !DILocation(line: 5, column: 17, scope: !7)
+!15 = !DILocalVariable(name: "u", scope: !7, file: !1, line: 6, type: !10)
+!16 = !DILocation(line: 6, column: 7, scope: !7)
+!17 = !DILocation(line: 7, column: 7, scope: !18)
+!18 = distinct !DILexicalBlock(scope: !7, file: !1, line: 7, column: 7)
+!19 = !DILocalVariable(name: "a", scope: !7, file: !1, line: 11, type: !10)

diff  --git a/llvm/test/tools/llvm-locstats/locstats.ll b/llvm/test/tools/llvm-locstats/locstats.ll
index f16635d2e8e4..fd28679f3ec1 100644
--- a/llvm/test/tools/llvm-locstats/locstats.ll
+++ b/llvm/test/tools/llvm-locstats/locstats.ll
@@ -9,9 +9,9 @@
 ; LOCSTATS: [10%,20%) 0 0%
 ; LOCSTATS: [20%,30%) 1 11%
 ; LOCSTATS: [30%,40%) 0 0%
-; LOCSTATS: [40%,50%) 1 11%
-; LOCSTATS: [50%,60%) 1 11%
-; LOCSTATS: [60%,70%) 1 11%
+; LOCSTATS: [40%,50%) 0 0%
+; LOCSTATS: [50%,60%) 0 0%
+; LOCSTATS: [60%,70%) 3 33%
 ; LOCSTATS: [70%,80%) 0 0%
 ; LOCSTATS: [80%,90%) 2 22%
 ; LOCSTATS: [90%,100%) 1 11%


        


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