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; RUN: llc < %s -asm-verbose=false -disable-wasm-explicit-locals | FileCheck %s
; Test that function pointer casts are replaced with wrappers.
target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
target triple = "wasm32-unknown-unknown-wasm"
; CHECK-LABEL: test:
; CHECK-NEXT: call .Lbitcast@FUNCTION{{$}}
; CHECK-NEXT: call .Lbitcast@FUNCTION{{$}}
; CHECK-NEXT: call .Lbitcast.1@FUNCTION{{$}}
; CHECK-NEXT: i32.const $push[[L0:[0-9]+]]=, 0
; CHECK-NEXT: call .Lbitcast.2@FUNCTION, $pop[[L0]]{{$}}
; CHECK-NEXT: i32.const $push[[L1:[0-9]+]]=, 0
; CHECK-NEXT: call .Lbitcast.2@FUNCTION, $pop[[L1]]{{$}}
; CHECK-NEXT: i32.const $push[[L2:[0-9]+]]=, 0
; CHECK-NEXT: call .Lbitcast.2@FUNCTION, $pop[[L2]]{{$}}
; CHECK-NEXT: call foo0@FUNCTION
; CHECK-NEXT: i32.call $drop=, .Lbitcast.3@FUNCTION{{$}}
; CHECK-NEXT: call foo2@FUNCTION{{$}}
; CHECK-NEXT: call foo1@FUNCTION{{$}}
; CHECK-NEXT: call foo3@FUNCTION{{$}}
; CHECK-NEXT: end_function
; CHECK-LABEL: test_varargs:
; CHECK: set_global
; CHECK: i32.const $push[[L3:[0-9]+]]=, 0{{$}}
; CHECK-NEXT: call vararg@FUNCTION, $pop[[L3]]{{$}}
; CHECK-NEXT: i32.const $push[[L4:[0-9]+]]=, 0{{$}}
; CHECK-NEXT: i32.store 0($[[L5:[0-9]+]]), $pop[[L4]]{{$}}
; CHECK-NEXT: call plain@FUNCTION, $[[L5]]{{$}}
; CHECK-LABEL: .Lbitcast:
; CHECK-NEXT: call has_i32_arg@FUNCTION, $0{{$}}
; CHECK-NEXT: end_function
; CHECK-LABEL: .Lbitcast.1:
; CHECK-NEXT: call $drop=, has_i32_ret@FUNCTION{{$}}
; CHECK-NEXT: end_function
; CHECK-LABEL: .Lbitcast.2:
; CHECK-NEXT: .param i32
; CHECK-NEXT: call foo0@FUNCTION{{$}}
; CHECK-NEXT: end_function
; CHECK-LABEL: .Lbitcast.3:
; CHECK-NEXT: .result i32
; CHECK-NEXT: call foo1@FUNCTION{{$}}
; CHECK-NEXT: copy_local $push0=, $0
; CHECK-NEXT: end_function
declare void @has_i32_arg(i32)
declare i32 @has_i32_ret()
declare void @vararg(...)
declare void @plain(i32)
declare void @foo0()
declare void @foo1()
declare void @foo2()
declare void @foo3()
define void @test() {
entry:
call void bitcast (void (i32)* @has_i32_arg to void ()*)()
call void bitcast (void (i32)* @has_i32_arg to void ()*)()
call void bitcast (i32 ()* @has_i32_ret to void ()*)()
call void bitcast (void ()* @foo0 to void (i32)*)(i32 0)
%p = bitcast void ()* @foo0 to void (i32)*
call void %p(i32 0)
%q = bitcast void ()* @foo0 to void (i32)*
call void %q(i32 0)
%r = bitcast void (i32)* %q to void ()*
call void %r()
%t = call i32 bitcast (void ()* @foo1 to i32 ()*)()
call void bitcast (void ()* @foo2 to void ()*)()
call void @foo1()
call void @foo3()
ret void
}
define void @test_varargs() {
call void bitcast (void (...)* @vararg to void (i32)*)(i32 0)
call void (...) bitcast (void (i32)* @plain to void (...)*)(i32 0)
ret void
}
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