1 ; Test that lib call simplification doesn't simplify __strncpy_chk calls 2 ; with the wrong prototype. 3 ; 4 ; RUN: opt < %s -instcombine -S | FileCheck %s 5 6 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" 7 8 @a = common global [60 x i16] zeroinitializer, align 1 9 @b = common global [60 x i16] zeroinitializer, align 1 10 11 define void @test_no_simplify() { 12 ; CHECK-LABEL: @test_no_simplify( 13 %dst = getelementptr inbounds [60 x i16], [60 x i16]* @a, i32 0, i32 0 14 %src = getelementptr inbounds [60 x i16], [60 x i16]* @b, i32 0, i32 0 15 16 ; CHECK-NEXT: call i16* @__strncpy_chk 17 call i16* @__strncpy_chk(i16* %dst, i16* %src, i32 60, i32 60) 18 ret void 19 } 20 21 declare i16* @__strncpy_chk(i16*, i16*, i32, i32) 22