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 a statepoint is a GC transition. 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 zeroext i32 @return_i32_with_args(i32, i8*) 11 declare i32* @return_i32ptr() 12 declare float @return_float() 13 declare void @varargf(i32, ...) 14 15 define i1 @test_i1_return() gc "statepoint-example" { 16 ; CHECK-LABEL: test_i1_return 17 ; This is just checking that a i1 gets lowered normally when there's no extra 18 ; state arguments to the statepoint 19 ; CHECK: pushq %rax 20 ; CHECK: callq return_i1 21 ; CHECK: popq %rcx 22 ; CHECK: retq 23 entry: 24 %safepoint_token = tail call i32 (i64, i32, i1 ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i1f(i64 0, i32 0, i1 ()* @return_i1, i32 0, i32 1, i32 0, i32 0) 25 %call1 = call zeroext i1 @llvm.experimental.gc.result.i1(i32 %safepoint_token) 26 ret i1 %call1 27 } 28 29 define i32 @test_i32_return() gc "statepoint-example" { 30 ; CHECK-LABEL: test_i32_return 31 ; CHECK: pushq %rax 32 ; CHECK: callq return_i32 33 ; CHECK: popq %rcx 34 ; CHECK: retq 35 entry: 36 %safepoint_token = tail call i32 (i64, i32, i32 ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i32f(i64 0, i32 0, i32 ()* @return_i32, i32 0, i32 1, i32 0, i32 0) 37 %call1 = call zeroext i32 @llvm.experimental.gc.result.i32(i32 %safepoint_token) 38 ret i32 %call1 39 } 40 41 define i32* @test_i32ptr_return() gc "statepoint-example" { 42 ; CHECK-LABEL: test_i32ptr_return 43 ; CHECK: pushq %rax 44 ; CHECK: callq return_i32ptr 45 ; CHECK: popq %rcx 46 ; CHECK: retq 47 entry: 48 %safepoint_token = tail call i32 (i64, i32, i32* ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_p0i32f(i64 0, i32 0, i32* ()* @return_i32ptr, i32 0, i32 1, i32 0, i32 0) 49 %call1 = call i32* @llvm.experimental.gc.result.p0i32(i32 %safepoint_token) 50 ret i32* %call1 51 } 52 53 define float @test_float_return() gc "statepoint-example" { 54 ; CHECK-LABEL: test_float_return 55 ; CHECK: pushq %rax 56 ; CHECK: callq return_float 57 ; CHECK: popq %rax 58 ; CHECK: retq 59 entry: 60 %safepoint_token = tail call i32 (i64, i32, float ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_f32f(i64 0, i32 0, float ()* @return_float, i32 0, i32 1, i32 0, i32 0) 61 %call1 = call float @llvm.experimental.gc.result.f32(i32 %safepoint_token) 62 ret float %call1 63 } 64 65 define i1 @test_relocate(i32 addrspace(1)* %a) gc "statepoint-example" { 66 ; CHECK-LABEL: test_relocate 67 ; Check that an ununsed relocate has no code-generation impact 68 ; CHECK: pushq %rax 69 ; CHECK: callq return_i1 70 ; CHECK-NEXT: .Ltmp9: 71 ; CHECK-NEXT: popq %rcx 72 ; CHECK-NEXT: retq 73 entry: 74 %safepoint_token = tail call i32 (i64, i32, i1 ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i1f(i64 0, i32 0, i1 ()* @return_i1, i32 0, i32 1, i32 0, i32 0, i32 addrspace(1)* %a) 75 %call1 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32 %safepoint_token, i32 7, i32 7) 76 %call2 = call zeroext i1 @llvm.experimental.gc.result.i1(i32 %safepoint_token) 77 ret i1 %call2 78 } 79 80 define void @test_void_vararg() gc "statepoint-example" { 81 ; CHECK-LABEL: test_void_vararg 82 ; Check a statepoint wrapping a *void* returning vararg function works 83 ; CHECK: callq varargf 84 entry: 85 %safepoint_token = tail call i32 (i64, i32, void (i32, ...)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidi32varargf(i64 0, i32 0, void (i32, ...)* @varargf, i32 2, i32 1, i32 42, i32 43, i32 0, i32 0) 86 ;; if we try to use the result from a statepoint wrapping a 87 ;; non-void-returning varargf, we will experience a crash. 88 ret void 89 } 90 91 define i32 @test_transition_args() gc "statepoint-example" { 92 ; CHECK-LABEL: test_transition_args 93 ; CHECK: pushq %rax 94 ; CHECK: callq return_i32 95 ; CHECK: popq %rcx 96 ; CHECK: retq 97 entry: 98 %val = alloca i32 99 %safepoint_token = call i32 (i64, i32, i32 ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i32f(i64 0, i32 0, i32 ()* @return_i32, i32 0, i32 1, i32 2, i32* %val, i64 42, i32 0) 100 %call1 = call i32 @llvm.experimental.gc.result.i32(i32 %safepoint_token) 101 ret i32 %call1 102 } 103 104 define i32 @test_transition_args_2() gc "statepoint-example" { 105 ; CHECK-LABEL: test_transition_args_2 106 ; CHECK: pushq %rax 107 ; CHECK: callq return_i32 108 ; CHECK: popq %rcx 109 ; CHECK: retq 110 entry: 111 %val = alloca i32 112 %arg = alloca i8 113 %safepoint_token = call i32 (i64, i32, i32 (i32, i8*)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i32i32p0i8f(i64 0, i32 0, i32 (i32, i8*)* @return_i32_with_args, i32 2, i32 1, i32 0, i8* %arg, i32 2, i32* %val, i64 42, i32 0) 114 %call1 = call i32 @llvm.experimental.gc.result.i32(i32 %safepoint_token) 115 ret i32 %call1 116 } 117 118 declare i32 @llvm.experimental.gc.statepoint.p0f_i1f(i64, i32, i1 ()*, i32, i32, ...) 119 declare i1 @llvm.experimental.gc.result.i1(i32) 120 121 declare i32 @llvm.experimental.gc.statepoint.p0f_i32f(i64, i32, i32 ()*, i32, i32, ...) 122 declare i32 @llvm.experimental.gc.statepoint.p0f_i32i32p0i8f(i64, i32, i32 (i32, i8*)*, i32, i32, ...) 123 declare i32 @llvm.experimental.gc.result.i32(i32) 124 125 declare i32 @llvm.experimental.gc.statepoint.p0f_p0i32f(i64, i32, i32* ()*, i32, i32, ...) 126 declare i32* @llvm.experimental.gc.result.p0i32(i32) 127 128 declare i32 @llvm.experimental.gc.statepoint.p0f_f32f(i64, i32, float ()*, i32, i32, ...) 129 declare float @llvm.experimental.gc.result.f32(i32) 130 131 declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidi32varargf(i64, i32, void (i32, ...)*, i32, i32, ...) 132 133 declare i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32, i32, i32)
