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83
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1 ; RUN: llc < %s | FileCheck %s
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2 ; This file contains a collection of basic tests to ensure we didn't
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3 ; screw up normal call lowering when there are no deopt or gc arguments.
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4
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5 target datalayout = "e-i64:64-f80:128-n8:16:32:64-S128"
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6 target triple = "x86_64-pc-linux-gnu"
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7
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8 declare zeroext i1 @return_i1()
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9 declare zeroext i32 @return_i32()
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10 declare i32* @return_i32ptr()
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11 declare float @return_float()
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12 declare void @varargf(i32, ...)
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13
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14 define i1 @test_i1_return() gc "statepoint-example" {
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15 ; CHECK-LABEL: test_i1_return
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16 ; This is just checking that a i1 gets lowered normally when there's no extra
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17 ; state arguments to the statepoint
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18 ; CHECK: pushq %rax
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19 ; CHECK: callq return_i1
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20 ; CHECK: popq %rdx
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21 ; CHECK: retq
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22 entry:
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23 %safepoint_token = tail call i32 (i1 ()*, i32, i32, ...)* @llvm.experimental.gc.statepoint.p0f_i1f(i1 ()* @return_i1, i32 0, i32 0, i32 0)
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24 %call1 = call zeroext i1 @llvm.experimental.gc.result.i1(i32 %safepoint_token)
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25 ret i1 %call1
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26 }
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27
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28 define i32 @test_i32_return() gc "statepoint-example" {
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29 ; CHECK-LABEL: test_i32_return
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30 ; CHECK: pushq %rax
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31 ; CHECK: callq return_i32
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32 ; CHECK: popq %rdx
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33 ; CHECK: retq
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34 entry:
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35 %safepoint_token = tail call i32 (i32 ()*, i32, i32, ...)* @llvm.experimental.gc.statepoint.p0f_i32f(i32 ()* @return_i32, i32 0, i32 0, i32 0)
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36 %call1 = call zeroext i32 @llvm.experimental.gc.result.i32(i32 %safepoint_token)
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37 ret i32 %call1
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38 }
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39
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40 define i32* @test_i32ptr_return() gc "statepoint-example" {
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41 ; CHECK-LABEL: test_i32ptr_return
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42 ; CHECK: pushq %rax
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43 ; CHECK: callq return_i32ptr
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44 ; CHECK: popq %rdx
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45 ; CHECK: retq
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46 entry:
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47 %safepoint_token = tail call i32 (i32* ()*, i32, i32, ...)* @llvm.experimental.gc.statepoint.p0f_p0i32f(i32* ()* @return_i32ptr, i32 0, i32 0, i32 0)
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48 %call1 = call i32* @llvm.experimental.gc.result.p0i32(i32 %safepoint_token)
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49 ret i32* %call1
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50 }
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51
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52 define float @test_float_return() gc "statepoint-example" {
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53 ; CHECK-LABEL: test_float_return
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54 ; CHECK: pushq %rax
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55 ; CHECK: callq return_float
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56 ; CHECK: popq %rax
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57 ; CHECK: retq
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58 entry:
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59 %safepoint_token = tail call i32 (float ()*, i32, i32, ...)* @llvm.experimental.gc.statepoint.p0f_f32f(float ()* @return_float, i32 0, i32 0, i32 0)
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60 %call1 = call float @llvm.experimental.gc.result.f32(i32 %safepoint_token)
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61 ret float %call1
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62 }
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63
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64 define i1 @test_relocate(i32 addrspace(1)* %a) gc "statepoint-example" {
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65 ; CHECK-LABEL: test_relocate
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66 ; Check that an ununsed relocate has no code-generation impact
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67 ; CHECK: pushq %rax
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68 ; CHECK: callq return_i1
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69 ; CHECK-NEXT: .Ltmp13:
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70 ; CHECK-NEXT: popq %rdx
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71 ; CHECK-NEXT: retq
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72 entry:
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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)
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74 %call1 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32 %safepoint_token, i32 4, i32 4)
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75 %call2 = call zeroext i1 @llvm.experimental.gc.result.i1(i32 %safepoint_token)
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76 ret i1 %call2
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77 }
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78
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79 define void @test_void_vararg() gc "statepoint-example" {
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80 ; CHECK-LABEL: test_void_vararg
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81 ; Check a statepoint wrapping a *void* returning vararg function works
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82 ; CHECK: callq varargf
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83 entry:
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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)
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85 ;; if we try to use the result from a statepoint wrapping a
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86 ;; non-void-returning varargf, we will experience a crash.
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87 ret void
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88 }
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89
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90 declare i32 @llvm.experimental.gc.statepoint.p0f_i1f(i1 ()*, i32, i32, ...)
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91 declare i1 @llvm.experimental.gc.result.i1(i32)
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92
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93 declare i32 @llvm.experimental.gc.statepoint.p0f_i32f(i32 ()*, i32, i32, ...)
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94 declare i32 @llvm.experimental.gc.result.i32(i32)
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95
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96 declare i32 @llvm.experimental.gc.statepoint.p0f_p0i32f(i32* ()*, i32, i32, ...)
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97 declare i32* @llvm.experimental.gc.result.p0i32(i32)
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98
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99 declare i32 @llvm.experimental.gc.statepoint.p0f_f32f(float ()*, i32, i32, ...)
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100 declare float @llvm.experimental.gc.result.f32(i32)
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101
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102 declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidi32varargf(void (i32, ...)*, i32, i32, ...)
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103
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104 declare i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32, i32, i32)
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