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
31
32
|
; RUN: opt -function-specialization -force-function-specialization -S < %s | FileCheck %s
; Check that we don't crash and specialise on a function call with byval attribute.
; CHECK-NOT: wombat.{{[0-9]+}}
declare i32* @quux()
declare i32* @eggs()
define i32 @main() {
; CHECK: bb:
; CHECK-NEXT: tail call void @wombat(i8* undef, i64 undef, i64 undef, i32* byval(i32) bitcast (i32* ()* @quux to i32*))
; CHECK-NEXT: tail call void @wombat(i8* undef, i64 undef, i64 undef, i32* byval(i32) bitcast (i32* ()* @eggs to i32*))
; CHECK-NEXT: ret i32 undef
;
bb:
tail call void @wombat(i8* undef, i64 undef, i64 undef, i32* byval(i32) bitcast (i32* ()* @quux to i32*))
tail call void @wombat(i8* undef, i64 undef, i64 undef, i32* byval(i32) bitcast (i32* ()* @eggs to i32*))
ret i32 undef
}
define internal void @wombat(i8* %arg, i64 %arg1, i64 %arg2, i32* byval(i32) %func) {
; CHECK: bb2:
; CHECK-NEXT: [[FUNPTR:%.*]] = bitcast i32* %func to i32* (i8*, i8*)*
; CHECK-NEXT: [[TMP:%.*]] = tail call i32* [[FUNPTR]](i8* undef, i8* undef)
; CHECK-NEXT: ret void
;
bb2:
%mycall = bitcast i32* %func to i32* (i8*, i8*)*
%tmp = tail call i32* %mycall(i8* undef, i8* undef)
ret void
}
|
