llvm-project/llvm/test/CodeGen/WebAssembly/unsupported-function-bitcas...

28 lines
852 B
LLVM

; RUN: llc < %s -asm-verbose=false | FileCheck %s
; Test that function pointer casts that require conversions are not converted
; to wrappers. In theory some conversions could be supported, but currently no
; conversions are implemented.
target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
target triple = "wasm32-unknown-unknown-wasm"
; CHECK-LABEL: test:
; CHECK-NEXT: i32.const $push[[L0:[0-9]+]]=, 0{{$}}
; CHECK-NEXT: call has_i64_arg@FUNCTION, $pop[[L0]]{{$}}
; CHECK-NEXT: i32.call $push{{[0-9]+}}=, has_i64_ret@FUNCTION{{$}}
; CHECK-NEXT: drop
; CHECK-NEXT: end_function
; CHECK-NOT: .Lbitcast
declare void @has_i64_arg(i64)
declare i64 @has_i64_ret()
define void @test() {
entry:
call void bitcast (void (i64)* @has_i64_arg to void (i32)*)(i32 0)
%t = call i32 bitcast (i64 ()* @has_i64_ret to i32 ()*)()
ret void
}