| ; Test that the strncpy folder avoids simplifying a call to the function |
| ; declared with an incompatible type. |
| ; |
| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; Test that the strncpy library call simplifier works correctly. |
| ; |
| ; RUN: opt < %s -passes=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" |
| @a = common global [32 x i8] zeroinitializer, align 1 |
| |
| declare i16 @strncpy(ptr, ptr, i32) |
| |
| ; Check that 'strncpy' functions with the wrong prototype aren't simplified. |
| |
| define void @test_no_simplify1() { |
| ; CHECK-LABEL: @test_no_simplify1( |
| ; CHECK-NEXT: [[TMP1:%.*]] = call i16 @strncpy(ptr nonnull @a, ptr nonnull @hello, i32 6) |
| ; CHECK-NEXT: ret void |
| ; |
| |
| call i16 @strncpy(ptr @a, ptr @hello, i32 6) |
| ret void |
| } |
