llvm-project/llvm/test/CodeGen/WebAssembly/function-bitcasts-varargs.ll

32 lines
1.1 KiB
LLVM

; RUN: llc < %s -asm-verbose=false -wasm-temporary-workarounds=false -wasm-keep-registers | FileCheck %s
; Test that function pointer casts casting away varargs are replaced with
; wrappers.
target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
target triple = "wasm32-unknown-unknown"
define void @callWithArgs() {
entry:
call void bitcast (void (...)* @underspecified to void (i32, i32)*)(i32 0, i32 1)
call void(...) bitcast (void (i32, i32)* @specified to void (...)*)(i32 0, i32 1)
ret void
}
declare void @underspecified(...)
declare void @specified(i32, i32)
; CHECK: callWithArgs:
; CHECK: i32.const $push1=, 0
; CHECK-NEXT: i32.const $push0=, 1
; CHECK-NEXT: call .Lunderspecified_bitcast@FUNCTION, $pop1, $pop0
; CHECK: call .Lspecified_bitcast@FUNCTION, $pop{{[0-9]+$}}
; CHECK: .Lunderspecified_bitcast:
; CHECK-NEXT: .functype .Lunderspecified_bitcast (i32, i32) -> (){{$}}
; CHECK: call underspecified@FUNCTION, $pop{{[0-9]+$}}
; CHECK: .Lspecified_bitcast:
; CHECK-NEXT: .functype .Lspecified_bitcast (i32) -> (){{$}}
; CHECK: call specified@FUNCTION, $pop{{[0-9]+}}, $pop{{[0-9]+$}}