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1; RUN: opt -safepoint-ir-verifier-print-only -verify-safepoint-ir -S %s 2>&1 | FileCheck %s2 3; This test checks that StatepointIRVerifier does not crash on4; a CFG with unreachable blocks.5 6%jObject = type { [8 x i8] }7 8define ptr addrspace(1) @test(ptr addrspace(1) %arg) gc "statepoint-example" {9; CHECK-LABEL: Verifying gc pointers in function: test10; CHECK-NEXT: No illegal uses found by SafepointIRVerifier in: test11 %safepoint_token3 = tail call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(double (double)) undef, i32 1, i32 0, double undef, i32 0, i32 0) ["gc-live"(ptr addrspace(1) %arg)]12 %arg2.relocated4 = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %safepoint_token3, i32 0, i32 0)13 ret ptr addrspace(1) %arg2.relocated414 15unreachable:16 ret ptr addrspace(1) null17}18 19; Function Attrs: nounwind20declare ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token, i32, i32) #321 22declare token @llvm.experimental.gc.statepoint.p0(i64, i32, ptr, i32, i32, ...)23 24; In %merge %val.unrelocated, %ptr and %arg should be unrelocated.25define void @test2(ptr addrspace(1) %arg) gc "statepoint-example" {26; CHECK-LABEL: Verifying gc pointers in function: test227; CHECK: No illegal uses found by SafepointIRVerifier in: test228 bci_0:29 %ptr = getelementptr i8, ptr addrspace(1) %arg, i64 430 br label %right31 32 left:33 %safepoint_token = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(void ()) undef, i32 0, i32 0, i32 0, i32 0)34 br label %merge35 36 right:37 br label %merge38 39 merge:40 %val.unrelocated = phi ptr addrspace(1) [ %arg, %left ], [ %ptr, %right ]41 %c = icmp eq ptr addrspace(1) %val.unrelocated, %arg42 ret void43}44 45