forked from OSchip/llvm-project
22 lines
788 B
LLVM
22 lines
788 B
LLVM
; Test that lib call simplification doesn't simplify __strncpy_chk calls
|
|
; with the wrong prototype.
|
|
;
|
|
; 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"
|
|
|
|
@a = common global [60 x i16] zeroinitializer, align 1
|
|
@b = common global [60 x i16] zeroinitializer, align 1
|
|
|
|
define void @test_no_simplify() {
|
|
; CHECK-LABEL: @test_no_simplify(
|
|
%dst = getelementptr inbounds [60 x i16], [60 x i16]* @a, i32 0, i32 0
|
|
%src = getelementptr inbounds [60 x i16], [60 x i16]* @b, i32 0, i32 0
|
|
|
|
; CHECK-NEXT: call i16* @__strncpy_chk
|
|
call i16* @__strncpy_chk(i16* %dst, i16* %src, i32 60, i32 60)
|
|
ret void
|
|
}
|
|
|
|
declare i16* @__strncpy_chk(i16*, i16*, i32, i32)
|