1 ; RUN: llc -verify-machineinstrs < %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 %struct = type { i64, i64 } 9 10 declare zeroext i1 @return_i1() 11 declare zeroext i32 @return_i32() 12 declare i32* @return_i32ptr() 13 declare float @return_float() 14 declare %struct @return_struct() 15 declare void @varargf(i32, ...) 16 17 define i1 @test_i1_return() gc "statepoint-example" { 18 ; CHECK-LABEL: test_i1_return 19 ; This is just checking that a i1 gets lowered normally when there's no extra 20 ; state arguments to the statepoint 21 ; CHECK: pushq %rax 22 ; CHECK: callq return_i1 23 ; CHECK: popq %rcx 24 ; CHECK: retq 25 entry: 26 %safepoint_token = tail call token (i64, i32, i1 ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i1f(i64 0, i32 0, i1 ()* @return_i1, i32 0, i32 0, i32 0, i32 0) 27 %call1 = call zeroext i1 @llvm.experimental.gc.result.i1(token %safepoint_token) 28 ret i1 %call1 29 } 30 31 define i32 @test_i32_return() gc "statepoint-example" { 32 ; CHECK-LABEL: test_i32_return 33 ; CHECK: pushq %rax 34 ; CHECK: callq return_i32 35 ; CHECK: popq %rcx 36 ; CHECK: retq 37 entry: 38 %safepoint_token = tail call token (i64, i32, i32 ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i32f(i64 0, i32 0, i32 ()* @return_i32, i32 0, i32 0, i32 0, i32 0) 39 %call1 = call zeroext i32 @llvm.experimental.gc.result.i32(token %safepoint_token) 40 ret i32 %call1 41 } 42 43 define i32* @test_i32ptr_return() gc "statepoint-example" { 44 ; CHECK-LABEL: test_i32ptr_return 45 ; CHECK: pushq %rax 46 ; CHECK: callq return_i32ptr 47 ; CHECK: popq %rcx 48 ; CHECK: retq 49 entry: 50 %safepoint_token = tail call token (i64, i32, i32* ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_p0i32f(i64 0, i32 0, i32* ()* @return_i32ptr, i32 0, i32 0, i32 0, i32 0) 51 %call1 = call i32* @llvm.experimental.gc.result.p0i32(token %safepoint_token) 52 ret i32* %call1 53 } 54 55 define float @test_float_return() gc "statepoint-example" { 56 ; CHECK-LABEL: test_float_return 57 ; CHECK: pushq %rax 58 ; CHECK: callq return_float 59 ; CHECK: popq %rax 60 ; CHECK: retq 61 entry: 62 %safepoint_token = tail call token (i64, i32, float ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_f32f(i64 0, i32 0, float ()* @return_float, i32 0, i32 0, i32 0, i32 0) 63 %call1 = call float @llvm.experimental.gc.result.f32(token %safepoint_token) 64 ret float %call1 65 } 66 67 define %struct @test_struct_return() gc "statepoint-example" { 68 ; CHECK-LABEL: test_struct_return 69 ; CHECK: pushq %rax 70 ; CHECK: callq return_struct 71 ; CHECK: popq %rcx 72 ; CHECK: retq 73 entry: 74 %safepoint_token = tail call token (i64, i32, %struct ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_structf(i64 0, i32 0, %struct ()* @return_struct, i32 0, i32 0, i32 0, i32 0) 75 %call1 = call %struct @llvm.experimental.gc.result.struct(token %safepoint_token) 76 ret %struct %call1 77 } 78 79 define i1 @test_relocate(i32 addrspace(1)* %a) gc "statepoint-example" { 80 ; CHECK-LABEL: test_relocate 81 ; Check that an ununsed relocate has no code-generation impact 82 ; CHECK: pushq %rax 83 ; CHECK: callq return_i1 84 ; CHECK-NEXT: .Ltmp5: 85 ; CHECK-NEXT: popq %rcx 86 ; CHECK-NEXT: .cfi_def_cfa_offset 8 87 ; CHECK-NEXT: retq 88 entry: 89 %safepoint_token = tail call token (i64, i32, i1 ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i1f(i64 0, i32 0, i1 ()* @return_i1, i32 0, i32 0, i32 0, i32 0, i32 addrspace(1)* %a) 90 %call1 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 7, i32 7) 91 %call2 = call zeroext i1 @llvm.experimental.gc.result.i1(token %safepoint_token) 92 ret i1 %call2 93 } 94 95 define void @test_void_vararg() gc "statepoint-example" { 96 ; CHECK-LABEL: test_void_vararg 97 ; Check a statepoint wrapping a *void* returning vararg function works 98 ; CHECK: callq varargf 99 entry: 100 %safepoint_token = tail call token (i64, i32, void (i32, ...)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidi32varargf(i64 0, i32 0, void (i32, ...)* @varargf, i32 2, i32 0, i32 42, i32 43, i32 0, i32 0) 101 ;; if we try to use the result from a statepoint wrapping a 102 ;; non-void-returning varargf, we will experience a crash. 103 ret void 104 } 105 106 define i1 @test_i1_return_patchable() gc "statepoint-example" { 107 ; CHECK-LABEL: test_i1_return_patchable 108 ; A patchable variant of test_i1_return 109 ; CHECK: pushq %rax 110 ; CHECK: nopl 111 ; CHECK: popq %rcx 112 ; CHECK: retq 113 entry: 114 %safepoint_token = tail call token (i64, i32, i1 ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i1f(i64 0, i32 3, i1 ()*null, i32 0, i32 0, i32 0, i32 0) 115 %call1 = call zeroext i1 @llvm.experimental.gc.result.i1(token %safepoint_token) 116 ret i1 %call1 117 } 118 119 declare void @consume(i32 addrspace(1)* %obj) 120 121 define i1 @test_cross_bb(i32 addrspace(1)* %a, i1 %external_cond) gc "statepoint-example" { 122 ; CHECK-LABEL: test_cross_bb 123 ; CHECK: movq 124 ; CHECK: callq return_i1 125 ; CHECK: %left 126 ; CHECK: movq 127 ; CHECK-NEXT: callq consume 128 ; CHECK: retq 129 entry: 130 %safepoint_token = tail call token (i64, i32, i1 ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i1f(i64 0, i32 0, i1 ()* @return_i1, i32 0, i32 0, i32 0, i32 0, i32 addrspace(1)* %a) 131 br i1 %external_cond, label %left, label %right 132 133 left: 134 %call1 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 7, i32 7) 135 %call2 = call zeroext i1 @llvm.experimental.gc.result.i1(token %safepoint_token) 136 call void @consume(i32 addrspace(1)* %call1) 137 ret i1 %call2 138 139 right: 140 ret i1 true 141 } 142 143 %struct2 = type { i64, i64, i64 } 144 145 declare void @consume_attributes(i32, i8* nest, i32, %struct2* byval) 146 147 define void @test_attributes(%struct2* byval %s) gc "statepoint-example" { 148 entry: 149 ; CHECK-LABEL: test_attributes 150 ; Check that arguments with attributes are lowered correctly. 151 ; We call a function that has a nest argument and a byval argument. 152 ; CHECK: movl $42, %edi 153 ; CHECK: xorl %r10d, %r10d 154 ; CHECK: movl $17, %esi 155 ; CHECK: pushq 156 ; CHECK: pushq 157 ; CHECK: pushq 158 ; CHECK: callq consume_attributes 159 %statepoint_token = call token (i64, i32, void (i32, i8*, i32, %struct2*)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidi32p0i8i32p0s_struct2sf(i64 0, i32 0, void (i32, i8*, i32, %struct2*)* @consume_attributes, i32 4, i32 0, i32 42, i8* nest null, i32 17, %struct2* byval %s, i32 0, i32 0) 160 ret void 161 } 162 163 declare token @llvm.experimental.gc.statepoint.p0f_i1f(i64, i32, i1 ()*, i32, i32, ...) 164 declare i1 @llvm.experimental.gc.result.i1(token) 165 166 declare token @llvm.experimental.gc.statepoint.p0f_i32f(i64, i32, i32 ()*, i32, i32, ...) 167 declare i32 @llvm.experimental.gc.result.i32(token) 168 169 declare token @llvm.experimental.gc.statepoint.p0f_p0i32f(i64, i32, i32* ()*, i32, i32, ...) 170 declare i32* @llvm.experimental.gc.result.p0i32(token) 171 172 declare token @llvm.experimental.gc.statepoint.p0f_f32f(i64, i32, float ()*, i32, i32, ...) 173 declare float @llvm.experimental.gc.result.f32(token) 174 175 declare token @llvm.experimental.gc.statepoint.p0f_structf(i64, i32, %struct ()*, i32, i32, ...) 176 declare %struct @llvm.experimental.gc.result.struct(token) 177 178 declare token @llvm.experimental.gc.statepoint.p0f_isVoidi32varargf(i64, i32, void (i32, ...)*, i32, i32, ...) 179 180 declare token @llvm.experimental.gc.statepoint.p0f_isVoidi32p0i8i32p0s_struct2sf(i64, i32, void (i32, i8*, i32, %struct2*)*, i32, i32, ...) 181 182 declare i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token, i32, i32) 183
