| ; RUN: opt < %s -instcombine -S | FileCheck %s |
| target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" |
| target triple = "x86_64-apple-darwin10.0.0" |
| |
| define void @func(i8* %i) nounwind ssp { |
| ; CHECK-LABEL: @func( |
| ; CHECK: @__strcpy_chk(i8* nonnull %arraydecay, i8* %i, i64 32) |
| entry: |
| %s = alloca [32 x i8], align 16 |
| %arraydecay = getelementptr inbounds [32 x i8], [32 x i8]* %s, i32 0, i32 0 |
| %call = call i8* @__strcpy_chk(i8* %arraydecay, i8* %i, i64 32) |
| call void @func2(i8* %arraydecay) |
| ret void |
| } |
| |
| define void @func_no_null_opt(i8* %i) nounwind ssp #0 { |
| ; CHECK-LABEL: @func_no_null_opt( |
| ; CHECK: @__strcpy_chk(i8* %arraydecay, i8* %i, i64 32) |
| entry: |
| %s = alloca [32 x i8], align 16 |
| %arraydecay = getelementptr inbounds [32 x i8], [32 x i8]* %s, i32 0, i32 0 |
| %call = call i8* @__strcpy_chk(i8* %arraydecay, i8* %i, i64 32) |
| call void @func2(i8* %arraydecay) |
| ret void |
| } |
| |
| declare i8* @__strcpy_chk(i8*, i8*, i64) nounwind |
| |
| declare void @func2(i8*) |
| |
| attributes #0 = { "null-pointer-is-valid"="true" } |
