diff options
Diffstat (limited to 'llvm/test/SafepointIRVerifier/from-same-relocation-in-phi-nodes.ll')
| -rw-r--r-- | llvm/test/SafepointIRVerifier/from-same-relocation-in-phi-nodes.ll | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/llvm/test/SafepointIRVerifier/from-same-relocation-in-phi-nodes.ll b/llvm/test/SafepointIRVerifier/from-same-relocation-in-phi-nodes.ll new file mode 100644 index 00000000000..4df19b2d726 --- /dev/null +++ b/llvm/test/SafepointIRVerifier/from-same-relocation-in-phi-nodes.ll @@ -0,0 +1,26 @@ +; XFAIL: * +; RUN: opt -safepoint-ir-verifier-print-only -verify-safepoint-ir -S %s 2>&1 | FileCheck %s + +; In %merge %val.unrelocated, %ptr and %arg should be unrelocated. +; FIXME: if this test fails it is a false-positive alarm. IR is correct. +define void @test.unrelocated-phi.ok(i8 addrspace(1)* %arg) gc "statepoint-example" { +; CHECK-LABEL: Verifying gc pointers in function: test.unrelocated-phi.ok + bci_0: + %ptr = getelementptr i8, i8 addrspace(1)* %arg, i64 4 + br i1 undef, label %left, label %right + + left: + %safepoint_token = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* undef, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0) + br label %merge + + right: + br label %merge + + merge: +; CHECK: No illegal uses found by SafepointIRVerifier in: test.unrelocated-phi.ok + %val.unrelocated = phi i8 addrspace(1)* [ %arg, %left ], [ %ptr, %right ] + %c = icmp eq i8 addrspace(1)* %val.unrelocated, %arg + ret void +} + +declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...) |
