File: variableArgumentIntrinsic.3.2.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-20
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 1,496,436 kB
  • sloc: cpp: 5,593,990; ansic: 986,873; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,547; xml: 953; cs: 573; fortran: 567
file content (34 lines) | stat: -rw-r--r-- 954 bytes parent folder | download | duplicates (22) 
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
33
34
 
; RUN: llvm-dis < %s.bc| FileCheck %s
; RUN: verify-uselistorder < %s.bc

; vaArgIntrinsic.3.2.ll.bc was generated by passing this file to llvm-as-3.2.
; The test checks that LLVM does not misread variable argument intrinsic instructions
; of older bitcode files.

define i32 @varArgIntrinsic(i32 %X, ...) {

  %ap = alloca i8*
  %ap2 = bitcast i8** %ap to i8*

; CHECK: call void @llvm.va_start(i8* %ap2)
  call void @llvm.va_start(i8* %ap2)

; CHECK-NEXT: %tmp = va_arg i8** %ap, i32
  %tmp = va_arg i8** %ap, i32

  %aq = alloca i8*
  %aq2 = bitcast i8** %aq to i8*

; CHECK: call void @llvm.va_copy(i8* %aq2, i8* %ap2)
  call void @llvm.va_copy(i8* %aq2, i8* %ap2)
; CHECK-NEXT: call void @llvm.va_end(i8* %aq2)
  call void @llvm.va_end(i8* %aq2)

; CHECK-NEXT:  call void @llvm.va_end(i8* %ap2)
  call void @llvm.va_end(i8* %ap2)
  ret i32 %tmp
}

declare void @llvm.va_start(i8*)
declare void @llvm.va_copy(i8*, i8*)
declare void @llvm.va_end(i8*)