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comparison test/CodeGen/X86/statepoint-call-lowering.ll @ 83:60c9769439b8 LLVM3.7

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LLVM 3.7
author Tatsuki IHA <e125716@ie.u-ryukyu.ac.jp>
date Wed, 18 Feb 2015 14:55:36 +0900
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children afa8332a0e37
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78:af83660cff7b 83:60c9769439b8
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
5 target datalayout = "e-i64:64-f80:128-n8:16:32:64-S128"
6 target triple = "x86_64-pc-linux-gnu"
7
8 declare zeroext i1 @return_i1()
9 declare zeroext i32 @return_i32()
10 declare i32* @return_i32ptr()
11 declare float @return_float()
12 declare void @varargf(i32, ...)
13
14 define 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
22 entry:
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
28 define 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
34 entry:
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
40 define 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
46 entry:
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
52 define 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
58 entry:
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
64 define 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: .Ltmp13:
70 ; CHECK-NEXT: popq %rdx
71 ; CHECK-NEXT: retq
72 entry:
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
79 define 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
83 entry:
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
90 declare i32 @llvm.experimental.gc.statepoint.p0f_i1f(i1 ()*, i32, i32, ...)
91 declare i1 @llvm.experimental.gc.result.i1(i32)
92
93 declare i32 @llvm.experimental.gc.statepoint.p0f_i32f(i32 ()*, i32, i32, ...)
94 declare i32 @llvm.experimental.gc.result.i32(i32)
95
96 declare i32 @llvm.experimental.gc.statepoint.p0f_p0i32f(i32* ()*, i32, i32, ...)
97 declare i32* @llvm.experimental.gc.result.p0i32(i32)
98
99 declare i32 @llvm.experimental.gc.statepoint.p0f_f32f(float ()*, i32, i32, ...)
100 declare float @llvm.experimental.gc.result.f32(i32)
101
102 declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidi32varargf(void (i32, ...)*, i32, i32, ...)
103
104 declare i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32, i32, i32)