| Meador Inge | 7fbc364 | 2012-09-27 21:21:31 +0000 | [diff] [blame] | 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: @test_no_simplify | 
|  | 13 | %dst = getelementptr inbounds [60 x i16]* @a, i32 0, i32 0 | 
|  | 14 | %src = getelementptr inbounds [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) |