diff options
Diffstat (limited to 'llvm/lib/Target/PowerPC/PPCCTRLoops.cpp')
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCCTRLoops.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCCTRLoops.cpp b/llvm/lib/Target/PowerPC/PPCCTRLoops.cpp index 376d5ab1087..d43aa1a87b0 100644 --- a/llvm/lib/Target/PowerPC/PPCCTRLoops.cpp +++ b/llvm/lib/Target/PowerPC/PPCCTRLoops.cpp @@ -239,6 +239,11 @@ bool PPCCTRLoops::mightUseCTR(const Triple &TT, BasicBlock *BB) { if (F->getIntrinsicID() != Intrinsic::not_intrinsic) { switch (F->getIntrinsicID()) { default: continue; + // If we have a call to ppc_is_decremented_ctr_nonzero, or ppc_mtctr + // we're definitely using CTR. + case Intrinsic::ppc_is_decremented_ctr_nonzero: + case Intrinsic::ppc_mtctr: + return true; // VisualStudio defines setjmp as _setjmp #if defined(_MSC_VER) && defined(setjmp) && \ @@ -426,6 +431,7 @@ bool PPCCTRLoops::convertToCTRLoop(Loop *L) { // Process nested loops first. for (Loop::iterator I = L->begin(), E = L->end(); I != E; ++I) { MadeChange |= convertToCTRLoop(*I); + DEBUG(dbgs() << "Nested loop converted\n"); } // If a nested loop has been converted, then we can't convert this loop. |
