You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
83 lines
2.3 KiB
83 lines
2.3 KiB
4 months ago
|
; RUN: not llvm-as %s -o /dev/null 2>&1 | FileCheck %s
|
||
|
|
|
||
|
|
; Each musttail call should fail to validate.
|
||
|
|
|
||
|
|
declare x86_stdcallcc void @cc_mismatch_callee()
|
||
|
|
define void @cc_mismatch() {
|
||
|
|
; CHECK: mismatched calling conv
|
||
|
|
musttail call x86_stdcallcc void @cc_mismatch_callee()
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
declare void @more_parms_callee(i32)
|
||
|
|
define void @more_parms() {
|
||
|
|
; CHECK: mismatched parameter counts
|
||
|
|
musttail call void @more_parms_callee(i32 0)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
declare void @mismatched_intty_callee(i8)
|
||
|
|
define void @mismatched_intty(i32) {
|
||
|
|
; CHECK: mismatched parameter types
|
||
|
|
musttail call void @mismatched_intty_callee(i8 0)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
declare void @mismatched_vararg_callee(i8*, ...)
|
||
|
|
define void @mismatched_vararg(i8*) {
|
||
|
|
; CHECK: mismatched varargs
|
||
|
|
musttail call void (i8*, ...) @mismatched_vararg_callee(i8* null)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
; We would make this an implicit sret parameter, which would disturb the
|
||
|
|
; tail call.
|
||
|
|
declare { i32, i32, i32 } @mismatched_retty_callee(i32)
|
||
|
|
define void @mismatched_retty(i32) {
|
||
|
|
; CHECK: mismatched return types
|
||
|
|
musttail call { i32, i32, i32 } @mismatched_retty_callee(i32 0)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
declare void @mismatched_byval_callee({ i32 }*)
|
||
|
|
define void @mismatched_byval({ i32 }* byval %a) {
|
||
|
|
; CHECK: mismatched ABI impacting function attributes
|
||
|
|
musttail call void @mismatched_byval_callee({ i32 }* %a)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
declare void @mismatched_inreg_callee(i32 inreg)
|
||
|
|
define void @mismatched_inreg(i32 %a) {
|
||
|
|
; CHECK: mismatched ABI impacting function attributes
|
||
|
|
musttail call void @mismatched_inreg_callee(i32 inreg %a)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
declare void @mismatched_sret_callee(i32* sret)
|
||
|
|
define void @mismatched_sret(i32* %a) {
|
||
|
|
; CHECK: mismatched ABI impacting function attributes
|
||
|
|
musttail call void @mismatched_sret_callee(i32* sret %a)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
declare void @mismatched_alignment_callee(i32* byval align 8)
|
||
|
|
define void @mismatched_alignment(i32* byval align 4 %a) {
|
||
|
|
; CHECK: mismatched ABI impacting function attributes
|
||
|
|
musttail call void @mismatched_alignment_callee(i32* byval align 8 %a)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
declare i32 @not_tail_pos_callee()
|
||
|
|
define i32 @not_tail_pos() {
|
||
|
|
; CHECK: musttail call must be precede a ret with an optional bitcast
|
||
|
|
%v = musttail call i32 @not_tail_pos_callee()
|
||
|
|
%w = add i32 %v, 1
|
||
|
|
ret i32 %w
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @inline_asm() {
|
||
|
|
; CHECK: cannot use musttail call with inline asm
|
||
|
|
musttail call void asm "ret", ""()
|
||
|
|
ret void
|
||
|
|
}
|