LLVM: lib/CodeGen/ExpandMemCmp.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 "expand-memcmp" |
| Functions | |
|---|---|
| STATISTIC (NumMemCmpCalls, "Number of memcmp calls") | |
| STATISTIC (NumMemCmpNotConstant, "Number of memcmp calls without constant size") | |
| STATISTIC (NumMemCmpGreaterThanMax, "Number of memcmp calls with size greater than max size") | |
| STATISTIC (NumMemCmpInlined, "Number of inlined memcmp calls") | |
| INITIALIZE_PASS_BEGIN (ExpandMemCmpLegacyPass, DEBUG_TYPE, "Expand memcmp() to load/stores", false, false) INITIALIZE_PASS_END(ExpandMemCmpLegacyPass | |
| Expand | memcmp () to load/stores" |
| Variables | |
|---|---|
| static cl::opt< unsigned > | MemCmpEqZeroNumLoadsPerBlock ("memcmp-num-loads-per-block", cl::Hidden, cl::init(1), cl::desc("The number of loads per basic block for inline expansion of " "memcmp that is only being compared against zero.")) |
| static cl::opt< unsigned > | MaxLoadsPerMemcmp ("max-loads-per-memcmp", cl::Hidden, cl::desc("Set maximum number of loads used in expanded memcmp")) |
| static cl::opt< unsigned > | MaxLoadsPerMemcmpOptSize ("max-loads-per-memcmp-opt-size", cl::Hidden, cl::desc("Set maximum number of loads used in expanded memcmp for -Os/Oz")) |
| DEBUG_TYPE | |
| Expand | false |
◆ DEBUG_TYPE
#define DEBUG_TYPE "expand-memcmp"
◆ INITIALIZE_PASS_BEGIN()
| INITIALIZE_PASS_BEGIN | ( | ExpandMemCmpLegacyPass | , |
|---|---|---|---|
| DEBUG_TYPE | , | ||
| "Expand memcmp() to load/stores" | , | ||
| false | , | ||
| false | ) |
◆ memcmp()
◆ STATISTIC() [1/4]
| STATISTIC | ( | NumMemCmpCalls | , |
|---|---|---|---|
| "Number of memcmp calls" | ) |
◆ STATISTIC() [2/4]
| STATISTIC | ( | NumMemCmpGreaterThanMax | , |
|---|---|---|---|
| "Number of memcmp calls with size greater than max size" | ) |
◆ STATISTIC() [3/4]
| STATISTIC | ( | NumMemCmpInlined | , |
|---|---|---|---|
| "Number of inlined memcmp calls" | ) |
◆ STATISTIC() [4/4]
| STATISTIC | ( | NumMemCmpNotConstant | , |
|---|---|---|---|
| "Number of memcmp calls without constant size" | ) |