37 lines
1.2 KiB
LLVM
37 lines
1.2 KiB
LLVM
; RUN: opt < %s -deadargelim -S | FileCheck %s
|
|
|
|
define i32 @bar(i32 %A) {
|
|
call void (i32, ...) @thunk(i32 %A, i64 47, double 1.000000e+00)
|
|
%a = call i32 (i32, ...) @has_vastart(i32 %A, i64 47, double 1.000000e+00)
|
|
%b = call i32 (i32, ...) @no_vastart( i32 %A, i32 %A, i32 %A, i32 %A, i64 47, double 1.000000e+00 )
|
|
%c = add i32 %a, %b
|
|
ret i32 %c
|
|
}
|
|
; CHECK-LABEL: define i32 @bar
|
|
; CHECK: call void (i32, ...) @thunk(i32 %A, i64 47, double 1.000000e+00)
|
|
; CHECK: call i32 (i32, ...) @has_vastart(i32 %A, i64 47, double 1.000000e+00)
|
|
; CHECK: call i32 @no_vastart(i32 %A)
|
|
|
|
declare void @thunk_target(i32 %X, ...)
|
|
|
|
define internal void @thunk(i32 %X, ...) {
|
|
musttail call void(i32, ...) @thunk_target(i32 %X, ...)
|
|
ret void
|
|
}
|
|
; CHECK-LABEL: define internal void @thunk(i32 %X, ...)
|
|
; CHECK: musttail call void (i32, ...) @thunk_target(i32 %X, ...)
|
|
|
|
define internal i32 @has_vastart(i32 %X, ...) {
|
|
%valist = alloca i8
|
|
call void @llvm.va_start(i8* %valist)
|
|
ret i32 %X
|
|
}
|
|
; CHECK-LABEL: define internal i32 @has_vastart(i32 %X, ...)
|
|
|
|
declare void @llvm.va_start(i8*)
|
|
|
|
define internal i32 @no_vastart(i32 %X, ...) {
|
|
ret i32 %X
|
|
}
|
|
; CHECK-LABEL: define internal i32 @no_vastart(i32 %X)
|