diff options
| -rw-r--r-- | llvm/lib/CodeGen/WindowScheduler.cpp | 5 | ||||
| -rw-r--r-- | llvm/test/CodeGen/Hexagon/swp-ws-fail-2.mir | 1 |
2 files changed, 5 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/WindowScheduler.cpp b/llvm/lib/CodeGen/WindowScheduler.cpp index 595f7e2..cb878f7 100644 --- a/llvm/lib/CodeGen/WindowScheduler.cpp +++ b/llvm/lib/CodeGen/WindowScheduler.cpp @@ -232,8 +232,11 @@ bool WindowScheduler::initialize() { return false; } for (auto &Def : MI.all_defs()) - if (Def.isReg() && Def.getReg().isPhysical()) + if (Def.isReg() && Def.getReg().isPhysical()) { + LLVM_DEBUG(dbgs() << "Physical registers are not supported in " + "window scheduling!\n"); return false; + } } if (SchedInstrNum <= WindowRegionLimit) { LLVM_DEBUG(dbgs() << "There are too few MIs in the window region!\n"); diff --git a/llvm/test/CodeGen/Hexagon/swp-ws-fail-2.mir b/llvm/test/CodeGen/Hexagon/swp-ws-fail-2.mir index 601b98d..be75301 100644 --- a/llvm/test/CodeGen/Hexagon/swp-ws-fail-2.mir +++ b/llvm/test/CodeGen/Hexagon/swp-ws-fail-2.mir @@ -3,6 +3,7 @@ # RUN: -window-sched=force -filetype=null -verify-machineinstrs 2>&1 \ # RUN: | FileCheck %s +# CHECK: Physical registers are not supported in window scheduling! # CHECK: The WindowScheduler failed to initialize! --- |