You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
23 lines
705 B
23 lines
705 B
4 months ago
|
; Test that the strcat libcall 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"
|
||
|
|
@empty = constant [1 x i8] c"\00"
|
||
|
|
@a = common global [32 x i8] zeroinitializer, align 1
|
||
|
|
|
||
|
|
declare i16* @strcat(i8*, i8*)
|
||
|
|
|
||
|
|
define void @test_nosimplify1() {
|
||
|
|
; CHECK-LABEL: @test_nosimplify1(
|
||
|
|
; CHECK: call i16* @strcat
|
||
|
|
; CHECK: ret void
|
||
|
|
|
||
|
|
%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* @strcat(i8* %dst, i8* %src)
|
||
|
|
ret void
|
||
|
|
}
|