File: varargs_bt.ll

package info (click to toggle)
llvm-2.9 2.9%2Bdfsg-7
  • links: PTS, VCS
  • area: main
  • in suites: wheezy
  • size: 69,236 kB
  • sloc: cpp: 439,289; ansic: 16,211; asm: 13,295; sh: 12,912; python: 4,459; ml: 4,274; perl: 2,093; makefile: 1,808; pascal: 1,481; exp: 427; objc: 334; xml: 283; ada: 235; lisp: 187; csh: 117; f90: 36
file content (23 lines) | stat: -rw-r--r-- 624 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
; RUN: llvm-as %s -o - | 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** %ap)
declare void @llvm.va_copy(i8** %aq, i8** %ap)
declare void @llvm.va_end(i8** %ap)

define i33 @test(i33 %X, ...) {
        %ap = alloca i8*
	call void @llvm.va_start(i8** %ap)
	%tmp = va_arg i8** %ap, i33 

        %aq = alloca i8*
	call void @llvm.va_copy(i8** %aq, i8** %ap)
	call void @llvm.va_end(i8** %aq)
	
	call void @llvm.va_end(i8** %ap)
	ret i33 %tmp
}