xref: /llvm-project/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-12.ll (revision f01a3a893c147c1594b9a3fbd817456b209dabbf)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -passes=rewrite-statepoints-for-gc -S 2>&1 | FileCheck %s
3
4
5@global = external addrspace(1) global i8
6
7; derived %select base null
8define i8 @test(i1 %cond) gc "statepoint-example" {
9; CHECK-LABEL: @test(
10; CHECK-NEXT:    [[DERIVED1:%.*]] = getelementptr i8, ptr addrspace(1) @global, i64 1
11; CHECK-NEXT:    [[DERIVED2:%.*]] = getelementptr i8, ptr addrspace(1) @global, i64 2
12; CHECK-NEXT:    [[SELECT:%.*]] = select i1 [[COND:%.*]], ptr addrspace(1) [[DERIVED1]], ptr addrspace(1) [[DERIVED2]]
13; CHECK-NEXT:    [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @extern, i32 0, i32 0, i32 0, i32 0)
14; CHECK-NEXT:    [[LOAD:%.*]] = load i8, ptr addrspace(1) [[SELECT]], align 1
15; CHECK-NEXT:    ret i8 [[LOAD]]
16;
17  %derived1 = getelementptr i8, ptr addrspace(1) @global, i64 1
18  %derived2 = getelementptr i8, ptr addrspace(1) @global, i64 2
19  %select = select i1 %cond, ptr addrspace(1) %derived1, ptr addrspace(1) %derived2
20  call void @extern()
21  %load = load i8, ptr addrspace(1) %select
22  ret i8 %load
23}
24
25declare void @extern() gc "statepoint-example"
26
27declare token @llvm.experimental.gc.statepoint.p0(i64, i32, ptr, i32, i32, ...)
28