mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-29 10:32:47 +00:00
23 lines
726 B
LLVM
23 lines
726 B
LLVM
|
; Test that the strncpy library call simplifier works correctly.
|
||
|
|
;
|
||
|
|
; RUN: opt < %s -instcombine -S | FileCheck %s
|
||
|
|
|
||
|
|
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"
|
||
|
|
|
||
|
|
@hello = constant [6 x i8] c"hello\00"
|
||
|
|
@a = common global [32 x i8] zeroinitializer, align 1
|
||
|
|
|
||
|
|
declare i16* @strncpy(i8*, i8*, i32)
|
||
|
|
|
||
|
|
; Check that 'strncpy' functions with the wrong prototype aren't simplified.
|
||
|
|
|
||
|
|
define void @test_no_simplify1() {
|
||
|
|
; CHECK: @test_no_simplify1
|
||
|
|
%dst = getelementptr [32 x i8]* @a, i32 0, i32 0
|
||
|
|
%src = getelementptr [6 x i8]* @hello, i32 0, i32 0
|
||
|
|
|
||
|
|
call i16* @strncpy(i8* %dst, i8* %src, i32 6)
|
||
|
|
; CHECK: call i16* @strncpy
|
||
|
|
ret void
|
||
|
|
}
|