diff options
| -rw-r--r-- | lib/CodeGen/PrologEpilogInserter.cpp | 4 | ||||
| -rw-r--r-- | test/CodeGen/ARM/2009-08-15-RegScavengerAssert.ll | 10 |
2 files changed, 12 insertions, 2 deletions
diff --git a/lib/CodeGen/PrologEpilogInserter.cpp b/lib/CodeGen/PrologEpilogInserter.cpp index 8b05f4c..608e4c5 100644 --- a/lib/CodeGen/PrologEpilogInserter.cpp +++ b/lib/CodeGen/PrologEpilogInserter.cpp @@ -214,8 +214,6 @@ void PEI::calculateCalleeSavedRegisters(MachineFunction &Fn) { } } - FFI->setCalleeSavedInfoValid(true); - if (CSI.empty()) return; // Early exit if no callee saved registers are modified! @@ -274,6 +272,8 @@ void PEI::insertCSRSpillsAndRestores(MachineFunction &Fn) { MachineFrameInfo *FFI = Fn.getFrameInfo(); const std::vector<CalleeSavedInfo> &CSI = FFI->getCalleeSavedInfo(); + FFI->setCalleeSavedInfoValid(true); + // Early exit if no callee saved registers are modified! if (CSI.empty()) return; diff --git a/test/CodeGen/ARM/2009-08-15-RegScavengerAssert.ll b/test/CodeGen/ARM/2009-08-15-RegScavengerAssert.ll new file mode 100644 index 0000000..54196dc --- /dev/null +++ b/test/CodeGen/ARM/2009-08-15-RegScavengerAssert.ll @@ -0,0 +1,10 @@ +; RUN: llvm-as < %s | llc -march=arm +; PR4716 + +define arm_aapcscc void @_start() nounwind naked { +entry: + tail call arm_aapcscc void @exit(i32 undef) noreturn nounwind + unreachable +} + +declare arm_aapcscc void @exit(i32) noreturn nounwind |