1 ; Test that the stpcpy library call simplifier works correctly. 2 ; RUN: opt < %s -instcombine -S | FileCheck %s 3 ; 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" 7 8 @hello = constant [6 x i8] c"hello\00" 9 @a = common global [32 x i8] zeroinitializer, align 1 10 11 declare i16* @stpcpy(i8*, i8*) 12 13 define void @test_no_simplify1() { 14 ; CHECK-LABEL: @test_no_simplify1( 15 16 %dst = getelementptr [32 x i8]* @a, i32 0, i32 0 17 %src = getelementptr [6 x i8]* @hello, i32 0, i32 0 18 19 call i16* @stpcpy(i8* %dst, i8* %src) 20 ; CHECK: call i16* @stpcpy 21 ret void 22 } 23
