1 ; RUN: opt -safepoint-ir-verifier-print-only -verify-safepoint-ir -S %s 2>&1 | FileCheck %s 2 3 ; This test checks that StatepointIRVerifier does not crash on 4 ; a CFG with unreachable blocks. 5 6 %jObject = type { [8 x i8] } 7 8 define %jObject addrspace(1)* @test(%jObject addrspace(1)* %arg) gc "statepoint-example" { 9 ; CHECK-LABEL: Verifying gc pointers in function: test 10 ; CHECK-NEXT: No illegal uses found by SafepointIRVerifier in: test 11 %safepoint_token3 = tail call token (i64, i32, double (double)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_f64f64f(i64 0, i32 0, double (double)* undef, i32 1, i32 0, double undef, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0, %jObject addrspace(1)* %arg) 12 %arg2.relocated4 = call coldcc %jObject addrspace(1)* @llvm.experimental.gc.relocate.p1jObject(token %safepoint_token3, i32 13, i32 13) 13 ret %jObject addrspace(1)* %arg2.relocated4 14 15 unreachable: 16 ret %jObject addrspace(1)* null 17 } 18 19 ; Function Attrs: nounwind 20 declare %jObject addrspace(1)* @llvm.experimental.gc.relocate.p1jObject(token, i32, i32) #3 21 22 declare token @llvm.experimental.gc.statepoint.p0f_f64f64f(i64, i32, double (double)*, i32, i32, ...) 23 24 ; In %merge %val.unrelocated, %ptr and %arg should be unrelocated. 25 define void @test2(i8 addrspace(1)* %arg) gc "statepoint-example" { 26 ; CHECK-LABEL: Verifying gc pointers in function: test2 27 ; CHECK: No illegal uses found by SafepointIRVerifier in: test2 28 bci_0: 29 %ptr = getelementptr i8, i8 addrspace(1)* %arg, i64 4 30 br label %right 31 32 left: 33 %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) 34 br label %merge 35 36 right: 37 br label %merge 38 39 merge: 40 %val.unrelocated = phi i8 addrspace(1)* [ %arg, %left ], [ %ptr, %right ] 41 %c = icmp eq i8 addrspace(1)* %val.unrelocated, %arg 42 ret void 43 } 44 45 declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...) 46
