File: stpcpy-2.ll

package info (click to toggle)
llvm-toolchain-6.0 1:6.0-1~bpo9+1
  • links: PTS, VCS
  • area: main
  • in suites: stretch-backports
  • size: 594,652 kB
  • sloc: cpp: 3,044,500; ansic: 595,051; asm: 271,890; python: 128,923; objc: 106,554; sh: 21,854; lisp: 10,191; pascal: 6,094; ml: 5,544; perl: 5,265; makefile: 2,214; cs: 2,027; xml: 686; php: 212; csh: 117
file content (22 lines) | stat: -rw-r--r-- 772 bytes parent folder | download | duplicates (25)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
; Test that the stpcpy library call simplifier works correctly.
; RUN: opt < %s -instcombine -S | FileCheck %s
;
; This transformation requires the pointer size, as it assumes that size_t is
; the size of a pointer.
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32"

@hello = constant [6 x i8] c"hello\00"
@a = common global [32 x i8] zeroinitializer, align 1

declare i16* @stpcpy(i8*, i8*)

define void @test_no_simplify1() {
; CHECK-LABEL: @test_no_simplify1(

  %dst = getelementptr [32 x i8], [32 x i8]* @a, i32 0, i32 0
  %src = getelementptr [6 x i8], [6 x i8]* @hello, i32 0, i32 0

  call i16* @stpcpy(i8* %dst, i8* %src)
; CHECK: call i16* @stpcpy
  ret void
}