1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -rewrite-statepoints-for-gc -S 2>&1 | FileCheck %s
3; RUN: opt < %s -passes=rewrite-statepoints-for-gc -S 2>&1 | FileCheck %s
4
5
6@global = external addrspace(1) global i8
7
8; derived %select base null
9define i8 @test(i1 %cond) gc "statepoint-example" {
10; CHECK-LABEL: @test(
11; CHECK-NEXT:    [[DERIVED1:%.*]] = getelementptr i8, i8 addrspace(1)* @global, i64 1
12; CHECK-NEXT:    [[DERIVED2:%.*]] = getelementptr i8, i8 addrspace(1)* @global, i64 2
13; CHECK-NEXT:    [[SELECT:%.*]] = select i1 [[COND:%.*]], i8 addrspace(1)* [[DERIVED1]], i8 addrspace(1)* [[DERIVED2]]
14; CHECK-NEXT:    [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* elementtype(void ()) @extern, i32 0, i32 0, i32 0, i32 0)
15; CHECK-NEXT:    [[LOAD:%.*]] = load i8, i8 addrspace(1)* [[SELECT]], align 1
16; CHECK-NEXT:    ret i8 [[LOAD]]
17;
18  %derived1 = getelementptr i8, i8 addrspace(1)* @global, i64 1
19  %derived2 = getelementptr i8, i8 addrspace(1)* @global, i64 2
20  %select = select i1 %cond, i8 addrspace(1)* %derived1, i8 addrspace(1)* %derived2
21  call void @extern()
22  %load = load i8, i8 addrspace(1)* %select
23  ret i8 %load
24}
25
26declare void @extern() gc "statepoint-example"
27
28declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
29