1; RUN: opt -S -rewrite-statepoints-for-gc < %s | FileCheck %s 2 3; CHECK: declare i8 addrspace(1)* @some_function_ret_deref() 4; CHECK: define i8 addrspace(1)* @test_deref_arg(i8 addrspace(1)* %a) 5; CHECK: define i8 addrspace(1)* @test_deref_or_null_arg(i8 addrspace(1)* %a) 6; CHECK: define i8 addrspace(1)* @test_noalias_arg(i8 addrspace(1)* %a) 7 8declare void @foo() 9 10declare i8 addrspace(1)* @some_function() "gc-leaf-function" 11 12declare void @some_function_consumer(i8 addrspace(1)*) "gc-leaf-function" 13 14declare dereferenceable(4) i8 addrspace(1)* @some_function_ret_deref() "gc-leaf-function" 15declare noalias i8 addrspace(1)* @some_function_ret_noalias() "gc-leaf-function" 16 17define i8 addrspace(1)* @test_deref_arg(i8 addrspace(1)* dereferenceable(4) %a) gc "statepoint-example" { 18entry: 19 call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ] 20 ret i8 addrspace(1)* %a 21} 22 23define i8 addrspace(1)* @test_deref_or_null_arg(i8 addrspace(1)* dereferenceable_or_null(4) %a) gc "statepoint-example" { 24entry: 25 call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ] 26 ret i8 addrspace(1)* %a 27} 28 29define i8 addrspace(1)* @test_noalias_arg(i8 addrspace(1)* noalias %a) gc "statepoint-example" { 30entry: 31 call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ] 32 ret i8 addrspace(1)* %a 33} 34 35define i8 addrspace(1)* @test_deref_retval() gc "statepoint-example" { 36; CHECK-LABEL: @test_deref_retval( 37; CHECK: %a = call i8 addrspace(1)* @some_function() 38entry: 39 %a = call dereferenceable(4) i8 addrspace(1)* @some_function() 40 call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ] 41 ret i8 addrspace(1)* %a 42} 43 44define i8 addrspace(1)* @test_deref_or_null_retval() gc "statepoint-example" { 45; CHECK-LABEL: @test_deref_or_null_retval( 46; CHECK: %a = call i8 addrspace(1)* @some_function() 47entry: 48 %a = call dereferenceable_or_null(4) i8 addrspace(1)* @some_function() 49 call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ] 50 ret i8 addrspace(1)* %a 51} 52 53define i8 addrspace(1)* @test_noalias_retval() gc "statepoint-example" { 54; CHECK-LABEL: @test_noalias_retval( 55; CHECK: %a = call i8 addrspace(1)* @some_function() 56entry: 57 %a = call noalias i8 addrspace(1)* @some_function() 58 call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ] 59 ret i8 addrspace(1)* %a 60} 61 62define i8 @test_md(i8 addrspace(1)* %ptr) gc "statepoint-example" { 63; CHECK-LABEL: @test_md( 64; CHECK: %tmp = load i8, i8 addrspace(1)* %ptr, !tbaa !0 65entry: 66 %tmp = load i8, i8 addrspace(1)* %ptr, !tbaa !0 67 call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ] 68 ret i8 %tmp 69} 70 71define i8 addrspace(1)* @test_decl_only_attribute(i8 addrspace(1)* %ptr) gc "statepoint-example" { 72; CHECK-LABEL: @test_decl_only_attribute( 73; No change here, but the prototype of some_function_ret_deref should have changed. 74; CHECK: call i8 addrspace(1)* @some_function_ret_deref() 75entry: 76 %a = call i8 addrspace(1)* @some_function_ret_deref() 77 call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ] 78 ret i8 addrspace(1)* %a 79} 80 81define i8 addrspace(1)* @test_decl_only_noalias(i8 addrspace(1)* %ptr) gc "statepoint-example" { 82; CHECK-LABEL: @test_decl_only_noalias( 83; No change here, but the prototype of some_function_ret_noalias should have changed. 84; CHECK: call i8 addrspace(1)* @some_function_ret_noalias() 85entry: 86 %a = call i8 addrspace(1)* @some_function_ret_noalias() 87 call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ] 88 ret i8 addrspace(1)* %a 89} 90 91define i8 addrspace(1)* @test_callsite_arg_attribute(i8 addrspace(1)* %ptr) gc "statepoint-example" { 92; CHECK-LABEL: @test_callsite_arg_attribute( 93; CHECK: call void @some_function_consumer(i8 addrspace(1)* %ptr) 94; CHECK: !0 = !{!1, !1, i64 0} 95; CHECK: !1 = !{!"red", !2} 96; CHECK: !2 = !{!"blue"} 97entry: 98 call void @some_function_consumer(i8 addrspace(1)* dereferenceable(4) noalias %ptr) 99 call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ] 100 ret i8 addrspace(1)* %ptr 101} 102!0 = !{!1, !1, i64 0, i64 1} 103!1 = !{!"red", !2} 104!2 = !{!"blue"} 105