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 %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: .Ltmp11: 85 ; CHECK-NEXT: popq %rcx 86 ; CHECK-NEXT: retq 87 entry: 88 %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) 89 %call1 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 7, i32 7) 90 %call2 = call zeroext i1 @llvm.experimental.gc.result.i1(token %safepoint_token) 91 ret i1 %call2 92 } 93 94 define void @test_void_vararg() gc "statepoint-example" { 95 ; CHECK-LABEL: test_void_vararg 96 ; Check a statepoint wrapping a *void* returning vararg function works 97 ; CHECK: callq varargf 98 entry: 99 %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) 100 ;; if we try to use the result from a statepoint wrapping a 101 ;; non-void-returning varargf, we will experience a crash. 102 ret void 103 } 104 105 define i1 @test_i1_return_patchable() gc "statepoint-example" { 106 ; CHECK-LABEL: test_i1_return_patchable 107 ; A patchable variant of test_i1_return 108 ; CHECK: pushq %rax 109 ; CHECK: nopl 110 ; CHECK: popq %rcx 111 ; CHECK: retq 112 entry: 113 %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) 114 %call1 = call zeroext i1 @llvm.experimental.gc.result.i1(token %safepoint_token) 115 ret i1 %call1 116 } 117 118 declare void @consume(i32 addrspace(1)* %obj) 119 120 define i1 @test_cross_bb(i32 addrspace(1)* %a, i1 %external_cond) gc "statepoint-example" { 121 ; CHECK-LABEL: test_cross_bb 122 ; CHECK: movq 123 ; CHECK: callq return_i1 124 ; CHECK: %left 125 ; CHECK: movq 126 ; CHECK-NEXT: callq consume 127 ; CHECK: retq 128 entry: 129 %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) 130 br i1 %external_cond, label %left, label %right 131 132 left: 133 %call1 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 7, i32 7) 134 %call2 = call zeroext i1 @llvm.experimental.gc.result.i1(token %safepoint_token) 135 call void @consume(i32 addrspace(1)* %call1) 136 ret i1 %call2 137 138 right: 139 ret i1 true 140 } 141 142 143 declare token @llvm.experimental.gc.statepoint.p0f_i1f(i64, i32, i1 ()*, i32, i32, ...) 144 declare i1 @llvm.experimental.gc.result.i1(token) 145 146 declare token @llvm.experimental.gc.statepoint.p0f_i32f(i64, i32, i32 ()*, i32, i32, ...) 147 declare i32 @llvm.experimental.gc.result.i32(token) 148 149 declare token @llvm.experimental.gc.statepoint.p0f_p0i32f(i64, i32, i32* ()*, i32, i32, ...) 150 declare i32* @llvm.experimental.gc.result.p0i32(token) 151 152 declare token @llvm.experimental.gc.statepoint.p0f_f32f(i64, i32, float ()*, i32, i32, ...) 153 declare float @llvm.experimental.gc.result.f32(token) 154 155 declare token @llvm.experimental.gc.statepoint.p0f_structf(i64, i32, %struct ()*, i32, i32, ...) 156 declare %struct @llvm.experimental.gc.result.struct(token) 157 158 declare token @llvm.experimental.gc.statepoint.p0f_isVoidi32varargf(i64, i32, void (i32, ...)*, i32, i32, ...) 159 160 declare i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token, i32, i32) 161
