1; RUN: llc < %s | FileCheck %s
2; This file contains a collection of basic tests to ensure we didn't
3; screw up normal call lowering when there are no deopt or gc arguments.
4
5target datalayout = "e-i64:64-f80:128-n8:16:32:64-S128"
6target triple = "x86_64-pc-linux-gnu"
7
8declare zeroext i1 @return_i1()
9declare zeroext i32 @return_i32()
10declare i32* @return_i32ptr()
11declare float @return_float()
12declare void @varargf(i32, ...)
13
14define i1 @test_i1_return() gc "statepoint-example" {
15; CHECK-LABEL: test_i1_return
16; This is just checking that a i1 gets lowered normally when there's no extra
17; state arguments to the statepoint
18; CHECK: pushq %rax
19; CHECK: callq return_i1
20; CHECK: popq %rdx
21; CHECK: retq
22entry:
23  %safepoint_token = tail call i32 (i1 ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i1f(i1 ()* @return_i1, i32 0, i32 0, i32 0)
24  %call1 = call zeroext i1 @llvm.experimental.gc.result.i1(i32 %safepoint_token)
25  ret i1 %call1
26}
27
28define i32 @test_i32_return() gc "statepoint-example" {
29; CHECK-LABEL: test_i32_return
30; CHECK: pushq %rax
31; CHECK: callq return_i32
32; CHECK: popq %rdx
33; CHECK: retq
34entry:
35  %safepoint_token = tail call i32 (i32 ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i32f(i32 ()* @return_i32, i32 0, i32 0, i32 0)
36  %call1 = call zeroext i32 @llvm.experimental.gc.result.i32(i32 %safepoint_token)
37  ret i32 %call1
38}
39
40define i32* @test_i32ptr_return() gc "statepoint-example" {
41; CHECK-LABEL: test_i32ptr_return
42; CHECK: pushq %rax
43; CHECK: callq return_i32ptr
44; CHECK: popq %rdx
45; CHECK: retq
46entry:
47  %safepoint_token = tail call i32 (i32* ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_p0i32f(i32* ()* @return_i32ptr, i32 0, i32 0, i32 0)
48  %call1 = call i32* @llvm.experimental.gc.result.p0i32(i32 %safepoint_token)
49  ret i32* %call1
50}
51
52define float @test_float_return() gc "statepoint-example" {
53; CHECK-LABEL: test_float_return
54; CHECK: pushq %rax
55; CHECK: callq return_float
56; CHECK: popq %rax
57; CHECK: retq
58entry:
59  %safepoint_token = tail call i32 (float ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_f32f(float ()* @return_float, i32 0, i32 0, i32 0)
60  %call1 = call float @llvm.experimental.gc.result.f32(i32 %safepoint_token)
61  ret float %call1
62}
63
64define i1 @test_relocate(i32 addrspace(1)* %a) gc "statepoint-example" {
65; CHECK-LABEL: test_relocate
66; Check that an ununsed relocate has no code-generation impact
67; CHECK: pushq %rax
68; CHECK: callq return_i1
69; CHECK-NEXT: .Ltmp9:
70; CHECK-NEXT: popq %rdx
71; CHECK-NEXT: retq
72entry:
73  %safepoint_token = tail call i32 (i1 ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i1f(i1 ()* @return_i1, i32 0, i32 0, i32 0, i32 addrspace(1)* %a)
74  %call1 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32 %safepoint_token, i32 4, i32 4)
75  %call2 = call zeroext i1 @llvm.experimental.gc.result.i1(i32 %safepoint_token)
76  ret i1 %call2
77}
78
79define void @test_void_vararg() gc "statepoint-example" {
80; CHECK-LABEL: test_void_vararg
81; Check a statepoint wrapping a *void* returning vararg function works
82; CHECK: callq varargf
83entry:
84  %safepoint_token = tail call i32 (void (i32, ...)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidi32varargf(void (i32, ...)* @varargf, i32 2, i32 0, i32 42, i32 43, i32 0)
85  ;; if we try to use the result from a statepoint wrapping a
86  ;; non-void-returning varargf, we will experience a crash.
87  ret void
88}
89
90declare i32 @llvm.experimental.gc.statepoint.p0f_i1f(i1 ()*, i32, i32, ...)
91declare i1 @llvm.experimental.gc.result.i1(i32)
92
93declare i32 @llvm.experimental.gc.statepoint.p0f_i32f(i32 ()*, i32, i32, ...)
94declare i32 @llvm.experimental.gc.result.i32(i32)
95
96declare i32 @llvm.experimental.gc.statepoint.p0f_p0i32f(i32* ()*, i32, i32, ...)
97declare i32* @llvm.experimental.gc.result.p0i32(i32)
98
99declare i32 @llvm.experimental.gc.statepoint.p0f_f32f(float ()*, i32, i32, ...)
100declare float @llvm.experimental.gc.result.f32(i32)
101
102declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidi32varargf(void (i32, ...)*, i32, i32, ...)
103
104declare i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32, i32, i32)
105