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lib/Target/ARM/ARMConstantIslandPass.cpp
| Show First 20 Lines • Show All 417 Lines • ▼ Show 20 Lines | bool ARMConstantIslands::runOnMachineFunction(MachineFunction &mf) { | ||||
| if (isThumb2 && !STI->prefers32BitThumb()) | if (isThumb2 && !STI->prefers32BitThumb()) | ||||
| MadeChange |= optimizeThumb2Instructions(); | MadeChange |= optimizeThumb2Instructions(); | ||||
| // Shrink 32-bit branch instructions. | // Shrink 32-bit branch instructions. | ||||
| if (isThumb && STI->hasV8MBaselineOps()) | if (isThumb && STI->hasV8MBaselineOps()) | ||||
| MadeChange |= optimizeThumb2Branches(); | MadeChange |= optimizeThumb2Branches(); | ||||
| // Optimize jump tables using TBB / TBH. | // Optimize jump tables using TBB / TBH. | ||||
| if (GenerateTBB) | if (GenerateTBB && !STI->genExecuteOnly()) | ||||
| MadeChange |= optimizeThumb2JumpTables(); | MadeChange |= optimizeThumb2JumpTables(); | ||||
| // After a while, this might be made debug-only, but it is not expensive. | // After a while, this might be made debug-only, but it is not expensive. | ||||
| verify(); | verify(); | ||||
| // If LR has been forced spilled and no far jump (i.e. BL) has been issued, | // If LR has been forced spilled and no far jump (i.e. BL) has been issued, | ||||
| // undo the spill / restore of LR if possible. | // undo the spill / restore of LR if possible. | ||||
| if (isThumb && !HasFarJump && AFI->isLRSpilledForFarJump()) | if (isThumb && !HasFarJump && AFI->isLRSpilledForFarJump()) | ||||
| ▲ Show 20 Lines • Show All 1,824 Lines • Show Last 20 Lines | |||||