diff options
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/AArch64/AArch64ISelLowering.cpp | 4 | ||||
| -rw-r--r-- | llvm/lib/Target/ARM/ARMISelLowering.cpp | 3 | ||||
| -rw-r--r-- | llvm/lib/Target/ARM64/ARM64ISelLowering.cpp | 3 | ||||
| -rw-r--r-- | llvm/lib/Target/Mips/MipsISelLowering.cpp | 4 | ||||
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCISelLowering.cpp | 4 | ||||
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 4 |
6 files changed, 22 insertions, 0 deletions
diff --git a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp index 3e40f76bd2b..b1c31aa37f3 100644 --- a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp +++ b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp @@ -1524,6 +1524,10 @@ AArch64TargetLowering::LowerCall(CallLoweringInfo &CLI, IsVarArg, IsStructRet, MF.getFunction()->hasStructRetAttr(), Outs, OutVals, Ins, DAG); + if (!IsTailCall && CLI.CS && CLI.CS->isMustTailCall()) + report_fatal_error("failed to perform tail call elimination on a call " + "site marked musttail"); + // A sibling call is one where we're under the usual C ABI and not planning // to change that but can still do a tail call: if (!TailCallOpt && IsTailCall) diff --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp index 0a64d991c06..77d8f2109de 100644 --- a/llvm/lib/Target/ARM/ARMISelLowering.cpp +++ b/llvm/lib/Target/ARM/ARMISelLowering.cpp @@ -1400,6 +1400,9 @@ ARMTargetLowering::LowerCall(TargetLowering::CallLoweringInfo &CLI, isTailCall = IsEligibleForTailCallOptimization(Callee, CallConv, isVarArg, isStructRet, MF.getFunction()->hasStructRetAttr(), Outs, OutVals, Ins, DAG); + if (!isTailCall && CLI.CS && CLI.CS->isMustTailCall()) + report_fatal_error("failed to perform tail call elimination on a call " + "site marked musttail"); // We don't support GuaranteedTailCallOpt for ARM, only automatically // detected sibcalls. if (isTailCall) { diff --git a/llvm/lib/Target/ARM64/ARM64ISelLowering.cpp b/llvm/lib/Target/ARM64/ARM64ISelLowering.cpp index 154306c02be..58e425938e1 100644 --- a/llvm/lib/Target/ARM64/ARM64ISelLowering.cpp +++ b/llvm/lib/Target/ARM64/ARM64ISelLowering.cpp @@ -1957,6 +1957,9 @@ SDValue ARM64TargetLowering::LowerCall(CallLoweringInfo &CLI, IsTailCall = isEligibleForTailCallOptimization( Callee, CallConv, IsVarArg, IsStructRet, MF.getFunction()->hasStructRetAttr(), Outs, OutVals, Ins, DAG); + if (!IsTailCall && CLI.CS && CLI.CS->isMustTailCall()) + report_fatal_error("failed to perform tail call elimination on a call " + "site marked musttail"); // We don't support GuaranteedTailCallOpt, only automatically // detected sibcalls. // FIXME: Re-evaluate. Is this true? Should it be true? diff --git a/llvm/lib/Target/Mips/MipsISelLowering.cpp b/llvm/lib/Target/Mips/MipsISelLowering.cpp index e7f4ee5526b..2f19701c69c 100644 --- a/llvm/lib/Target/Mips/MipsISelLowering.cpp +++ b/llvm/lib/Target/Mips/MipsISelLowering.cpp @@ -2339,6 +2339,10 @@ MipsTargetLowering::LowerCall(TargetLowering::CallLoweringInfo &CLI, isEligibleForTailCallOptimization(MipsCCInfo, NextStackOffset, *MF.getInfo<MipsFunctionInfo>()); + if (!IsTailCall && CLI.CS && CLI.CS->isMustTailCall()) + report_fatal_error("failed to perform tail call elimination on a call " + "site marked musttail"); + if (IsTailCall) ++NumTailCalls; diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp index 0c0ce5ac508..fce7d2fbea2 100644 --- a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp +++ b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp @@ -3720,6 +3720,10 @@ PPCTargetLowering::LowerCall(TargetLowering::CallLoweringInfo &CLI, isTailCall = IsEligibleForTailCallOptimization(Callee, CallConv, isVarArg, Ins, DAG); + if (!isTailCall && CLI.CS && CLI.CS->isMustTailCall()) + report_fatal_error("failed to perform tail call elimination on a call " + "site marked musttail"); + if (PPCSubTarget.isSVR4ABI()) { if (PPCSubTarget.isPPC64()) return LowerCall_64SVR4(Chain, Callee, CallConv, isVarArg, diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 936699e9b59..8800bff87f8 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -2544,6 +2544,10 @@ X86TargetLowering::LowerCall(TargetLowering::CallLoweringInfo &CLI, MF.getFunction()->hasStructRetAttr(), CLI.RetTy, Outs, OutVals, Ins, DAG); + if (!isTailCall && CLI.CS && CLI.CS->isMustTailCall()) + report_fatal_error("failed to perform tail call elimination on a call " + "site marked musttail"); + // Sibcalls are automatically detected tailcalls which do not require // ABI changes. if (!MF.getTarget().Options.GuaranteedTailCallOpt && isTailCall) |
