| 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() { |
| Stephen Lin | c1c7a13 | 2013-07-14 01:42:54 +0000 | [diff] [blame] | 12 | ; CHECK-LABEL: @test_no_simplify( |
| Meador Inge | 7fbc364 | 2012-09-27 21:21:31 +0000 | [diff] [blame] | 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) |