1
0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-12-14 11:32:34 +00:00
llvm-6502/test/Feature/varargs.ll
Tanya Lattner 9bc243b251 Remove llvm-upgrade and update tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47784 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-01 07:38:40 +00:00

30 lines
1.1 KiB
LLVM

; RUN: llvm-as < %s | llvm-dis > %t1.ll
; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
; RUN: diff %t1.ll %t2.ll
; Demonstrate all of the variable argument handling intrinsic functions plus
; the va_arg instruction.
declare void @llvm.va_start(i8*)
declare void @llvm.va_copy(i8*, i8*)
declare void @llvm.va_end(i8*)
define i32 @test(i32 %X, ...) {
%ap = alloca i8* ; <i8**> [#uses=4]
%va.upgrd.1 = bitcast i8** %ap to i8* ; <i8*> [#uses=1]
call void @llvm.va_start( i8* %va.upgrd.1 )
%tmp = va_arg i8** %ap, i32 ; <i32> [#uses=1]
%aq = alloca i8* ; <i8**> [#uses=2]
%va0.upgrd.2 = bitcast i8** %aq to i8* ; <i8*> [#uses=1]
%va1.upgrd.3 = bitcast i8** %ap to i8* ; <i8*> [#uses=1]
call void @llvm.va_copy( i8* %va0.upgrd.2, i8* %va1.upgrd.3 )
%va.upgrd.4 = bitcast i8** %aq to i8* ; <i8*> [#uses=1]
call void @llvm.va_end( i8* %va.upgrd.4 )
%va.upgrd.5 = bitcast i8** %ap to i8* ; <i8*> [#uses=1]
call void @llvm.va_end( i8* %va.upgrd.5 )
ret i32 %tmp
}