72 lines
2.6 KiB
LLVM
72 lines
2.6 KiB
LLVM
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; RUN: llc < %s -asm-verbose=false -wasm-keep-registers | FileCheck %s
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; Test that function pointer casts that require conversions of arguments or
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; return types are converted to unreachable.
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target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
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target triple = "wasm32-unknown-unknown"
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declare i32 @has_i64_arg(i64)
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declare i32 @has_ptr_arg(i8*)
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; CHECK-LABEL: test_invalid_rtn:
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; CHECK: i32.const $push[[L0:[0-9]+]]=, 0{{$}}
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; CHECK-NEXT: call $push[[L1:[0-9]+]]=, .Lhas_i64_arg_bitcast_invalid.2, $pop[[L0]]{{$}}
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; CHECK-NEXT: drop $pop[[L1]]{{$}}
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; CHECK-NEXT: i64.const $push[[L0:[0-9]+]]=, 0{{$}}
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; CHECK-NEXT: call $push[[L1:[0-9]+]]=, .Lhas_i64_arg_bitcast_invalid, $pop[[L0]]{{$}}
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; CHECK-NEXT: drop $pop[[L1]]{{$}}
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; CHECK-NEXT: end_function
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define void @test_invalid_rtn() {
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entry:
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call i32 bitcast (i32 (i64)* @has_i64_arg to i32 (i32)*)(i32 0)
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call [1 x i64] bitcast (i32 (i64)* @has_i64_arg to [1 x i64] (i64)*)(i64 0)
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ret void
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}
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; CHECK-LABEL: test_struct_rtn:
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; CHECK: call has_i64_arg, $pop6, $pop0
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define void @test_struct_rtn() {
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call {i32, i32} bitcast (i32 (i64)* @has_i64_arg to {i32, i32} (i64)*)(i64 0)
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ret void
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}
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; CHECK-LABEL: test_invalid_arg:
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; CHECK: i32.const $push[[L0:[0-9]+]]=, 2{{$}}
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; CHECK-NEXT: call $push[[L1:[0-9]+]]=, .Lhas_ptr_arg_bitcast_invalid.4, $pop[[L0]]{{$}}
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; CHECK-NEXT: drop $pop[[L1]]{{$}}
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; CHECK-NEXT: i32.const $push[[L0:[0-9]+]]=, 2{{$}}
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; CHECK-NEXT: call $push[[L1:[0-9]+]]=, has_ptr_arg, $pop[[L0]]{{$}}
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; CHECK-NEXT: drop $pop[[L1]]{{$}}
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; CHECK-NEXT: i64.const $push[[L0:[0-9]+]]=, 3{{$}}
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; CHECK-NEXT: call $push[[L1:[0-9]+]]=, .Lhas_ptr_arg_bitcast_invalid, $pop[[L0]]{{$}}
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; CHECK-NEXT: drop $pop[[L1]]{{$}}
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; CHECK-NEXT: end_function
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define void @test_invalid_arg() {
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entry:
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call i32 bitcast (i32 (i8*)* @has_ptr_arg to i32 (i8)*)(i8 2)
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call i32 bitcast (i32 (i8*)* @has_ptr_arg to i32 (i32)*)(i32 2)
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call i32 bitcast (i32 (i8*)* @has_ptr_arg to i32 (i64)*)(i64 3)
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ret void
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}
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; CHECK-LABEL: .Lhas_i64_arg_bitcast_invalid:
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; CHECK-NEXT: .functype .Lhas_i64_arg_bitcast_invalid (i64) -> (i64)
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; CHECK-NEXT: unreachable
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; CHECK-NEXT: end_function
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; CHECK-LABEL: .Lhas_i64_arg_bitcast_invalid.2:
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; CHECK-NEXT: .functype .Lhas_i64_arg_bitcast_invalid.2 (i32) -> (i32)
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; CHECK-NEXT: unreachable
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; CHECK-NEXT: end_function
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; CHECK-LABEL: .Lhas_ptr_arg_bitcast_invalid:
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; CHECK-NEXT: .functype .Lhas_ptr_arg_bitcast_invalid (i64) -> (i32)
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; CHECK-NEXT: unreachable
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; CHECK-NEXT: end_function
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; CHECK-LABEL: .Lhas_ptr_arg_bitcast_invalid.4:
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; CHECK-NEXT: .functype .Lhas_ptr_arg_bitcast_invalid.4 (i32) -> (i32)
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; CHECK-NEXT: unreachable
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; CHECK-NEXT: end_function
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