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