1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
; RUN: opt -safepoint-ir-verifier-print-only -passes='verify<safepoint-ir>' -S %s 2>&1 | FileCheck %s
; CHECK-LABEL: Verifying gc pointers in function: test
; CHECK: No illegal uses found by SafepointIRVerifier in: test_gc_relocate
define ptr addrspace(1) @test_gc_relocate(i1 %arg) gc "statepoint-example" {
bb:
br label %bb2
bb2: ; preds = %bb8, %bb
%tmp = phi ptr addrspace(1) [ %tmp5.relocated, %bb8 ], [ null, %bb ]
%statepoint_token = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @widget, i32 0, i32 0, i32 0, i32 0) [ "deopt"() ]
br label %bb4
bb4: ; preds = %bb8, %bb2
%tmp5 = phi ptr addrspace(1) [ %tmp5.relocated, %bb8 ], [ %tmp, %bb2 ]
%statepoint_token1 = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(i1 ()) @baz, i32 0, i32 0, i32 0, i32 0) [ "deopt"(ptr addrspace(1) %tmp5), "gc-live"(ptr addrspace(1) %tmp5) ]
%tmp62 = call i1 @llvm.experimental.gc.result.i1(token %statepoint_token1)
%tmp5.relocated = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %statepoint_token1, i32 0, i32 0) ; (%tmp5, %tmp5)
br i1 %tmp62, label %bb8, label %bb6
bb6: ; preds = %bb4
ret ptr addrspace(1) null
bb8: ; preds = %bb4
br i1 %arg, label %bb4, label %bb2
}
; CHECK-LABEL: Verifying gc pointers in function: test
; CHECK: No illegal uses found by SafepointIRVerifier in: test_freeze_inst
define void @test_freeze_inst(ptr %ptr) gc "statepoint-example" {
entry:
br label %loop
loop:
%vptr = phi ptr addrspace(1) [ %fptr, %loop ], [ undef, %entry ]
%fptr = freeze ptr addrspace(1) %vptr
%statepoint_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) [ "deopt"(ptr addrspace(1) %fptr), "gc-live"(ptr addrspace(1) %fptr) ]
%fptr.relocated = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %statepoint_token, i32 0, i32 0) ; (%fptr, %fptr)
br label %loop
}
declare void @widget()
declare i1 @baz()
declare token @llvm.experimental.gc.statepoint.p0(i64 immarg, i32 immarg, ptr, i32 immarg, i32 immarg, ...)
declare i1 @llvm.experimental.gc.result.i1(token)
declare ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token, i32 immarg, i32 immarg)
|
