diff options
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/IR/Verifier.cpp | 6 | ||||
| -rw-r--r-- | llvm/test/Verifier/invalid-statepoint.ll | 20 |
2 files changed, 25 insertions, 1 deletions
diff --git a/llvm/lib/IR/Verifier.cpp b/llvm/lib/IR/Verifier.cpp index 06104d54cba..10f934bedac 100644 --- a/llvm/lib/IR/Verifier.cpp +++ b/llvm/lib/IR/Verifier.cpp @@ -2969,8 +2969,12 @@ void Verifier::visitIntrinsicFunctionCall(Intrinsic::ID ID, CallInst &CI) { // Check that BaseIndex and DerivedIndex fall within the 'gc parameters' // section of the statepoint's argument - const int NumCallArgs = + Assert(StatepointCS.arg_size() > 0, + "gc.statepoint: insufficient arguments"); + const unsigned NumCallArgs = cast<ConstantInt>(StatepointCS.getArgument(1))->getZExtValue(); + Assert(StatepointCS.arg_size() > NumCallArgs+3, + "gc.statepoint: mismatch in number of call arguments"); const int NumDeoptArgs = cast<ConstantInt>(StatepointCS.getArgument(NumCallArgs + 3))->getZExtValue(); const int GCParamArgsStart = NumCallArgs + NumDeoptArgs + 4; diff --git a/llvm/test/Verifier/invalid-statepoint.ll b/llvm/test/Verifier/invalid-statepoint.ll new file mode 100644 index 00000000000..7000973289e --- /dev/null +++ b/llvm/test/Verifier/invalid-statepoint.ll @@ -0,0 +1,20 @@ +; RUN: not opt -verify 2>&1 < %s | FileCheck %s + +; CHECK: gc.statepoint: mismatch in number of call arguments + +declare zeroext i1 @return0i1() + +; Function Attrs: nounwind +declare i32 @llvm.experimental.gc.statepoint.p0f0i1f(i1 ()*, i32, i32, ...) #0 + +; Function Attrs: nounwind +declare i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32, i32, i32) #0 + +define i32 addrspace(1)* @0(i32 addrspace(1)* %dparam) { + %a00 = load i32, i32 addrspace(1)* %dparam + %to0 = call i32 (i1 ()*, i32, i32, ...)* @llvm.experimental.gc.statepoint.p0f0i1f(i1 ()* @return0i1, i32 9, i32 0, i2 0, i32 addrspace(1)* %dparam) + %relocate = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32 %to0, i32 0, i32 4) + ret i32 addrspace(1)* %relocate +} + +attributes #0 = { nounwind } |
