File: function-bitcasts-varargs.ll

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (30 lines) | stat: -rw-r--r-- 1,004 bytes parent folder | download | duplicates (7) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
 
; RUN: llc < %s -asm-verbose=false -wasm-keep-registers | FileCheck %s

; Test that function pointer casts casting away varargs are replaced with
; wrappers.

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, $pop1, $pop0
; CHECK: call    	.Lspecified_bitcast, $pop{{[0-9]+$}}

; CHECK: .Lunderspecified_bitcast:
; CHECK-NEXT: .functype .Lunderspecified_bitcast (i32, i32) -> (){{$}}
; CHECK: call    	underspecified, $pop{{[0-9]+$}}

; CHECK: .Lspecified_bitcast:
; CHECK-NEXT: .functype .Lspecified_bitcast (i32) -> (){{$}}
; CHECK: call    	specified, $pop{{[0-9]+}}, $pop{{[0-9]+$}}