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 5target datalayout = "e-i64:64-f80:128-n8:16:32:64-S128" 6target triple = "x86_64-pc-linux-gnu" 7 8%struct = type { i64, i64 } 9 10declare zeroext i1 @return_i1() 11declare zeroext i32 @return_i32() 12declare i32* @return_i32ptr() 13declare float @return_float() 14declare %struct @return_struct() 15declare void @varargf(i32, ...) 16 17define 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 25entry: 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 31define 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 37entry: 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 43define 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 49entry: 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 55define 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 61entry: 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 67define %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 73entry: 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 79define 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 88entry: 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 95define 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 99entry: 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 106define 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 113entry: 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 119declare void @consume(i32 addrspace(1)* %obj) 120 121define 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 129entry: 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 133left: 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 139right: 140 ret i1 true 141} 142 143%struct2 = type { i64, i64, i64 } 144 145declare void @consume_attributes(i32, i8* nest, i32, %struct2* byval) 146 147define void @test_attributes(%struct2* byval %s) gc "statepoint-example" { 148entry: 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 163declare token @llvm.experimental.gc.statepoint.p0f_i1f(i64, i32, i1 ()*, i32, i32, ...) 164declare i1 @llvm.experimental.gc.result.i1(token) 165 166declare token @llvm.experimental.gc.statepoint.p0f_i32f(i64, i32, i32 ()*, i32, i32, ...) 167declare i32 @llvm.experimental.gc.result.i32(token) 168 169declare token @llvm.experimental.gc.statepoint.p0f_p0i32f(i64, i32, i32* ()*, i32, i32, ...) 170declare i32* @llvm.experimental.gc.result.p0i32(token) 171 172declare token @llvm.experimental.gc.statepoint.p0f_f32f(i64, i32, float ()*, i32, i32, ...) 173declare float @llvm.experimental.gc.result.f32(token) 174 175declare token @llvm.experimental.gc.statepoint.p0f_structf(i64, i32, %struct ()*, i32, i32, ...) 176declare %struct @llvm.experimental.gc.result.struct(token) 177 178declare token @llvm.experimental.gc.statepoint.p0f_isVoidi32varargf(i64, i32, void (i32, ...)*, i32, i32, ...) 179 180declare token @llvm.experimental.gc.statepoint.p0f_isVoidi32p0i8i32p0s_struct2sf(i64, i32, void (i32, i8*, i32, %struct2*)*, i32, i32, ...) 181 182declare i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token, i32, i32) 183