LLVM: lib/Target/AArch64/AArch64StackTaggingPreRA.cpp File Reference (original) (raw)

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Namespaces
namespace llvm
This is an optimization pass for GlobalISel generic memory operations.
Macros
#define DEBUG_TYPE "aarch64-stack-tagging-pre-ra"
Variables
static cl::opt< UncheckedLdStMode > ClUncheckedLdSt ("stack-tagging-unchecked-ld-st", cl::Hidden, cl::init(UncheckedSafe), cl::desc("Unconditionally apply unchecked-ld-st optimization (even for large " "stack frames, or in the presence of variable sized allocas)."), cl::values(clEnumValN(UncheckedNever, "never", "never apply unchecked-ld-st"), clEnumValN(UncheckedSafe, "safe", "apply unchecked-ld-st when the target is definitely within range"), clEnumValN(UncheckedAlways, "always", "always apply unchecked-ld-st")))
static cl::opt< bool > ClFirstSlot ("stack-tagging-first-slot-opt", cl::Hidden, cl::init(true), cl::desc("Apply first slot optimization for stack tagging " "(eliminate ADDG Rt, Rn, 0, 0)."))
aarch64 stack tagging pre ra
aarch64 stack tagging pre AArch64 Stack Tagging PreRA Pass
aarch64 stack tagging pre AArch64 Stack Tagging PreRA false

◆ DEBUG_TYPE

#define DEBUG_TYPE "aarch64-stack-tagging-pre-ra"

◆ UncheckedLdStMode

◆ INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN ( AArch64StackTaggingPreRA ,
"aarch64-stack-tagging-pre-ra" ,
"AArch64 Stack Tagging PreRA Pass" ,
false ,
false )

◆ isSlotPreAllocated()

◆ isUncheckedLoadOrStoreOpcode()

◆ ClFirstSlot

cl::opt< bool > ClFirstSlot("stack-tagging-first-slot-opt", cl::Hidden, cl::init(true), cl::desc("Apply first slot optimization for stack tagging " "(eliminate ADDG Rt, Rn, 0, 0).")) ( "stack-tagging-first-slot-opt" , cl::Hidden , cl::init(true) , cl::desc("Apply first slot optimization for stack tagging " "(eliminate ADDG Rt, Rn, 0, 0).") ) static

◆ ClUncheckedLdSt

cl::opt< UncheckedLdStMode > ClUncheckedLdSt("stack-tagging-unchecked-ld-st", cl::Hidden, cl::init(UncheckedSafe), cl::desc( "Unconditionally apply unchecked-ld-st optimization (even for large " "stack frames, or in the presence of variable sized allocas)."), cl::values( clEnumValN(UncheckedNever, "never", "never apply unchecked-ld-st"), clEnumValN( UncheckedSafe, "safe", "apply unchecked-ld-st when the target is definitely within range"), clEnumValN(UncheckedAlways, "always", "always apply unchecked-ld-st"))) ( "stack-tagging-unchecked-ld-st" , cl::Hidden , cl::init(UncheckedSafe) , cl::desc( "Unconditionally apply unchecked-ld-st optimization (even for large " "stack frames, or in the presence of variable sized allocas).") , cl::values( clEnumValN(UncheckedNever, "never", "never apply unchecked-ld-st"), clEnumValN( UncheckedSafe, "safe", "apply unchecked-ld-st when the target is definitely within range"), clEnumValN(UncheckedAlways, "always", "always apply unchecked-ld-st")) ) static

◆ false

aarch64 stack tagging pre AArch64 Stack Tagging PreRA false

◆ Pass

aarch64 stack tagging pre AArch64 Stack Tagging PreRA Pass

◆ ra

aarch64 stack tagging pre ra