RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-10-18 10:32:48 +02:00
Code Issues Projects Releases Wiki Activity

[ModuloSchedule] Pass loop block explicitly to kernel rewriter.

Browse Source 
This change is NFC upstream. We pass in the loop's block to the kernel
rewriter explicitly, instead of assuming it's the loop's top block. This
change is made for downstream targets where this assumption doesn't hold.

Differential Revision: https://reviews.llvm.org/D104811
This commit is contained in:
Hendrik Greving 2021-06-23 12:32:04 -07:00
parent 804aeeb5ec
commit 36b5d3f1af
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
lib/CodeGen/ModuloSchedule.cpp
View File

@ -1275,15 +1275,15 @@ class KernelRewriter {
Register undef(const TargetRegisterClass *RC);
public:
KernelRewriter(MachineLoop &L, ModuloSchedule &S,
KernelRewriter(MachineLoop &L, ModuloSchedule &S, MachineBasicBlock *LoopBB,
LiveIntervals *LIS = nullptr);
void rewrite();
};
} // namespace
KernelRewriter::KernelRewriter(MachineLoop &L, ModuloSchedule &S,
LiveIntervals *LIS)
: S(S), BB(L.getTopBlock()), PreheaderBB(L.getLoopPreheader()),
MachineBasicBlock *LoopBB, LiveIntervals *LIS)
: S(S), BB(LoopBB), PreheaderBB(L.getLoopPreheader()),
ExitBB(L.getExitBlock()), MRI(BB->getParent()->getRegInfo()),
TII(BB->getParent()->getSubtarget().getInstrInfo()), LIS(LIS) {
PreheaderBB = *BB->pred_begin();
@ -1981,7 +1981,7 @@ void PeelingModuloScheduleExpander::fixupBranches() {
}
void PeelingModuloScheduleExpander::rewriteKernel() {
KernelRewriter KR(*Schedule.getLoop(), Schedule);
KernelRewriter KR(*Schedule.getLoop(), Schedule, BB);
KR.rewrite();
}
@ -2024,7 +2024,7 @@ void PeelingModuloScheduleExpander::validateAgainstModuloScheduleExpander() {
Preheader->addSuccessor(BB);
// Now run the new expansion algorithm.
KernelRewriter KR(*Schedule.getLoop(), Schedule);
KernelRewriter KR(*Schedule.getLoop(), Schedule, BB);
KR.rewrite();
peelPrologAndEpilogs();