diff options
Diffstat (limited to 'llvm/lib/Target/PowerPC/PPCISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCISelLowering.cpp | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp index f895b06ac68..09887c3e4d1 100644 --- a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp +++ b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp @@ -4695,7 +4695,9 @@ PPCTargetLowering::LowerCall(TargetLowering::CallLoweringInfo &CLI, ImmutableCallSite *CS = CLI.CS; if (isTailCall) { - if (Subtarget.isSVR4ABI() && Subtarget.isPPC64()) + if (Subtarget.useLongCalls() && !(CS && CS->isMustTailCall())) + isTailCall = false; + else if (Subtarget.isSVR4ABI() && Subtarget.isPPC64()) isTailCall = IsEligibleForTailCallOptimization_64SVR4(Callee, CallConv, CS, isVarArg, Outs, Ins, DAG); @@ -4725,6 +4727,13 @@ PPCTargetLowering::LowerCall(TargetLowering::CallLoweringInfo &CLI, report_fatal_error("failed to perform tail call elimination on a call " "site marked musttail"); + // When long calls (i.e. indirect calls) are always used, calls are always + // made via function pointer. If we have a function name, first translate it + // into a pointer. + if (Subtarget.useLongCalls() && isa<GlobalAddressSDNode>(Callee) && + !isTailCall) + Callee = LowerGlobalAddress(Callee, DAG); + if (Subtarget.isSVR4ABI()) { if (Subtarget.isPPC64()) return LowerCall_64SVR4(Chain, Callee, CallConv, isVarArg, |
