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Small fixes for "[LoopInfo] empty() -> isInnermost(), add isOutermost()"

This commit is contained in:
Stefanos Baziotis 2020-09-22 23:59:34 +03:00
parent 90242caca2
commit a7873e5abc
4 changed files with 5 additions and 5 deletions
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4
llvm/lib/Target/AArch64/AArch64FalkorHWPFFix.cpp
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@ -146,7 +146,7 @@ bool FalkorMarkStridedAccesses::run() {
bool FalkorMarkStridedAccesses::runOnLoop(Loop &L) { bool FalkorMarkStridedAccesses::runOnLoop(Loop &L) {
// Only mark strided loads in the inner-most loop // Only mark strided loads in the inner-most loop
if (!L.empty()) if (!L.isInnermost())
return false; return false;
bool MadeChange = false; bool MadeChange = false;
@ -830,7 +830,7 @@ bool FalkorHWPFFix::runOnMachineFunction(MachineFunction &Fn) {
for (MachineLoop *I : LI) for (MachineLoop *I : LI)
for (auto L = df_begin(I), LE = df_end(I); L != LE; ++L) for (auto L = df_begin(I), LE = df_end(I); L != LE; ++L)
// Only process inner-loops // Only process inner-loops
if (L->empty()) if (L->isInnermost())
runOnLoop(**L, Fn); runOnLoop(**L, Fn);
return Modified; return Modified;

2
llvm/lib/Target/ARM/ARMTargetTransformInfo.cpp
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@ -1784,7 +1784,7 @@ bool ARMTTIImpl::preferPredicateOverEpilogue(Loop *L, LoopInfo *LI,
return false; return false;
} }
assert(L->empty() && "preferPredicateOverEpilogue: inner-loop expected"); assert(L->isInnermost() && "preferPredicateOverEpilogue: inner-loop expected");
HardwareLoopInfo HWLoopInfo(L); HardwareLoopInfo HWLoopInfo(L);
if (!HWLoopInfo.canAnalyze(*LI)) { if (!HWLoopInfo.canAnalyze(*LI)) {

2
llvm/lib/Target/Hexagon/HexagonTargetTransformInfo.cpp
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@ -87,7 +87,7 @@ void HexagonTTIImpl::getPeelingPreferences(Loop *L, ScalarEvolution &SE,
TTI::PeelingPreferences &PP) { TTI::PeelingPreferences &PP) {
BaseT::getPeelingPreferences(L, SE, PP); BaseT::getPeelingPreferences(L, SE, PP);
// Only try to peel innermost loops with small runtime trip counts. // Only try to peel innermost loops with small runtime trip counts.
if (L && L->empty() && canPeel(L) && if (L && L->isInnermost() && canPeel(L) &&
SE.getSmallConstantTripCount(L) == 0 && SE.getSmallConstantTripCount(L) == 0 &&
SE.getSmallConstantMaxTripCount(L) > 0 && SE.getSmallConstantMaxTripCount(L) > 0 &&
SE.getSmallConstantMaxTripCount(L) <= 5) { SE.getSmallConstantMaxTripCount(L) <= 5) {

2
llvm/lib/Target/PowerPC/PPCLoopInstrFormPrep.cpp
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@ -795,7 +795,7 @@ bool PPCLoopInstrFormPrep::runOnLoop(Loop *L) {
bool MadeChange = false; bool MadeChange = false;
// Only prep. the inner-most loop // Only prep. the inner-most loop
if (!L->empty()) if (!L->isInnermost())
return MadeChange; return MadeChange;
// Return if already done enough preparation. // Return if already done enough preparation.