summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--llvm/lib/Target/BPF/BPFISelLowering.cpp9
-rw-r--r--llvm/lib/Target/BPF/BPFISelLowering.h3
-rw-r--r--llvm/test/CodeGen/BPF/many_args1.ll2
3 files changed, 5 insertions, 9 deletions
diff --git a/llvm/lib/Target/BPF/BPFISelLowering.cpp b/llvm/lib/Target/BPF/BPFISelLowering.cpp
index d5ace85b8e5..066dc5e31e1 100644
--- a/llvm/lib/Target/BPF/BPFISelLowering.cpp
+++ b/llvm/lib/Target/BPF/BPFISelLowering.cpp
@@ -209,8 +209,6 @@ SDValue BPFTargetLowering::LowerFormalArguments(
return Chain;
}
-const unsigned long BPFTargetLowering::MaxArgs = 5;
-
SDValue BPFTargetLowering::LowerCall(TargetLowering::CallLoweringInfo &CLI,
SmallVectorImpl<SDValue> &InVals) const {
SelectionDAG &DAG = CLI.DAG;
@@ -243,8 +241,9 @@ SDValue BPFTargetLowering::LowerCall(TargetLowering::CallLoweringInfo &CLI,
unsigned NumBytes = CCInfo.getNextStackOffset();
- if (Outs.size() > MaxArgs)
+ if (Outs.size() >= 6) {
fail(CLI.DL, DAG, "too many args to ", Callee);
+ }
for (auto &Arg : Outs) {
ISD::ArgFlagsTy Flags = Arg.Flags;
@@ -258,10 +257,10 @@ SDValue BPFTargetLowering::LowerCall(TargetLowering::CallLoweringInfo &CLI,
Chain = DAG.getCALLSEQ_START(
Chain, DAG.getConstant(NumBytes, CLI.DL, PtrVT, true), CLI.DL);
- SmallVector<std::pair<unsigned, SDValue>, MaxArgs> RegsToPass;
+ SmallVector<std::pair<unsigned, SDValue>, 5> RegsToPass;
// Walk arg assignments
- for (unsigned i = 0, e = std::min(ArgLocs.size(), MaxArgs); i != e; ++i) {
+ for (unsigned i = 0, e = ArgLocs.size(); i != e; ++i) {
CCValAssign &VA = ArgLocs[i];
SDValue Arg = OutVals[i];
diff --git a/llvm/lib/Target/BPF/BPFISelLowering.h b/llvm/lib/Target/BPF/BPFISelLowering.h
index 8663b67a7f0..ec71dca2fae 100644
--- a/llvm/lib/Target/BPF/BPFISelLowering.h
+++ b/llvm/lib/Target/BPF/BPFISelLowering.h
@@ -58,9 +58,6 @@ private:
SelectionDAG &DAG,
SmallVectorImpl<SDValue> &InVals) const;
- // Maximum number of arguments to a call
- static const unsigned long MaxArgs;
-
// Lower a call into CALLSEQ_START - BPFISD:CALL - CALLSEQ_END chain
SDValue LowerCall(TargetLowering::CallLoweringInfo &CLI,
SmallVectorImpl<SDValue> &InVals) const override;
diff --git a/llvm/test/CodeGen/BPF/many_args1.ll b/llvm/test/CodeGen/BPF/many_args1.ll
index 08218f452d0..a5500dad1ed 100644
--- a/llvm/test/CodeGen/BPF/many_args1.ll
+++ b/llvm/test/CodeGen/BPF/many_args1.ll
@@ -1,4 +1,4 @@
-; RUN: not llc -march=bpf < %s 2> %t1
+; RUN: not llc -march=bpf -exit-on-error < %s 2> %t1
; RUN: FileCheck %s < %t1
; CHECK: too many args
OpenPOWER on IntegriCloud