LLVM: lib/Target/AArch64/AArch64StackTaggingPreRA.cpp File Reference (original) (raw)
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This is an optimization pass for GlobalISel generic memory operations. |
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DEBUG_TYPE "aarch64-stack-tagging-pre-ra" |
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| 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"))) |
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| 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).")) |
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| aarch64 stack tagging pre |
ra |
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| aarch64 stack tagging pre AArch64 Stack Tagging PreRA |
Pass |
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| aarch64 stack tagging pre AArch64 Stack Tagging PreRA |
false |
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◆ DEBUG_TYPE
#define DEBUG_TYPE "aarch64-stack-tagging-pre-ra"
◆ UncheckedLdStMode
◆ INITIALIZE_PASS_BEGIN()
| INITIALIZE_PASS_BEGIN |
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AArch64StackTaggingPreRA |
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| "aarch64-stack-tagging-pre-ra" |
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| "AArch64 Stack Tagging PreRA Pass" |
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| false |
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| false |
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◆ isSlotPreAllocated()
◆ isUncheckedLoadOrStoreOpcode()
| static bool isUncheckedLoadOrStoreOpcode ( unsigned Opcode) |
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◆ 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).") ) |
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◆ 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"))) |
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"stack-tagging-unchecked-ld-st" |
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| cl::Hidden |
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| cl::init(UncheckedSafe) |
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| cl::desc( "Unconditionally apply unchecked-ld-st optimization (even for large " "stack frames, or in the presence of variable sized allocas).") |
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| 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")) |
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◆ 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