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; RUN: opt -safepoint-ir-verifier-print-only -verify-safepoint-ir -S %s 2>&1 | FileCheck %s
; This test checks that StatepointIRVerifier does not crash on
; a CFG with unreachable blocks.
%jObject = type { [8 x i8] }
define ptr addrspace(1) @test(ptr addrspace(1) %arg) gc "statepoint-example" {
; CHECK-LABEL: Verifying gc pointers in function: test
; CHECK-NEXT: No illegal uses found by SafepointIRVerifier in: test
%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)]
%arg2.relocated4 = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %safepoint_token3, i32 0, i32 0)
ret ptr addrspace(1) %arg2.relocated4
unreachable:
ret ptr addrspace(1) null
}
; Function Attrs: nounwind
declare ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token, i32, i32) #3
declare token @llvm.experimental.gc.statepoint.p0(i64, i32, ptr, i32, i32, ...)
; In %merge %val.unrelocated, %ptr and %arg should be unrelocated.
define void @test2(ptr addrspace(1) %arg) gc "statepoint-example" {
; CHECK-LABEL: Verifying gc pointers in function: test2
; CHECK: No illegal uses found by SafepointIRVerifier in: test2
bci_0:
%ptr = getelementptr i8, ptr addrspace(1) %arg, i64 4
br label %right
left:
%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)
br label %merge
right:
br label %merge
merge:
%val.unrelocated = phi ptr addrspace(1) [ %arg, %left ], [ %ptr, %right ]
%c = icmp eq ptr addrspace(1) %val.unrelocated, %arg
ret void
}
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