xref: /llvm-project/llvm/test/Transforms/InstSimplify/gc_relocate.ll (revision cb1a9f70ecb22d48df1919bd54daf64bfaa08864) 
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -passes=instsimplify -S < %s | FileCheck %s
3
4declare void @func()
5
6define void @dead_relocate(ptr addrspace(1) %in) gc "statepoint-example" {
7; CHECK-LABEL: @dead_relocate(
8; CHECK-NEXT:  entry:
9; CHECK-NEXT:    [[SAFEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(void ()) @func, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(ptr addrspace(1) [[IN:%.*]]) ]
10; CHECK-NEXT:    ret void
11;
12entry:
13  %safepoint_token = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(void ()) @func, i32 0, i32 0, i32 0, i32 0) ["gc-live"(ptr addrspace(1) %in)]
14  %a = call ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %safepoint_token, i32 0, i32 0)
15  ret void
16}
17
18define ptr addrspace(1) @relocate_undef() gc "statepoint-example" {
19; CHECK-LABEL: @relocate_undef(
20; CHECK-NEXT:  entry:
21; CHECK-NEXT:    [[SAFEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(void ()) @func, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(ptr addrspace(1) undef) ]
22; CHECK-NEXT:    ret ptr addrspace(1) undef
23;
24entry:
25  %safepoint_token = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(void ()) @func, i32 0, i32 0, i32 0, i32 0) ["gc-live"(ptr addrspace(1) undef)]
26  %a = call ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %safepoint_token, i32 0, i32 0)
27  ret ptr addrspace(1) %a
28}
29
30define ptr addrspace(1) @relocate_null() gc "statepoint-example" {
31; CHECK-LABEL: @relocate_null(
32; CHECK-NEXT:  entry:
33; CHECK-NEXT:    [[SAFEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(void ()) @func, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(ptr addrspace(1) null) ]
34; CHECK-NEXT:    ret ptr addrspace(1) null
35;
36entry:
37  %safepoint_token = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(void ()) @func, i32 0, i32 0, i32 0, i32 0) ["gc-live"(ptr addrspace(1) null)]
38  %a = call ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %safepoint_token, i32 0, i32 0)
39  ret ptr addrspace(1) %a
40}
41
42
43declare token @llvm.experimental.gc.statepoint.p0(i64, i32, ptr, i32, i32, ...)
44declare ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token, i32, i32)
45