1 ; Test that the strcpy library call simplifier works correctly.
2 ; RUN: opt < %s -instcombine -S | FileCheck %s
4 ; This transformation requires the pointer size, as it assumes that size_t is
5 ; the size of a pointer.
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-n8:16:32"
8 @hello = constant [6 x i8] c"hello\00"
9 @a = common global [32 x i8] zeroinitializer, align 1
11 declare i16* @strcpy(i8*, i8*)
13 define void @test_no_simplify1() {
14 ; CHECK-LABEL: @test_no_simplify1(
16 %dst = getelementptr [32 x i8], [32 x i8]* @a, i32 0, i32 0
17 %src = getelementptr [6 x i8], [6 x i8]* @hello, i32 0, i32 0
19 call i16* @strcpy(i8* %dst, i8* %src)
20 ; CHECK: call i16* @strcpy