| Jun Bum Lim | 6a7dc5c | 2016-07-22 18:27:24 +0000 | [diff] [blame^] | 1 | ; RUN: opt < %s -basicaa -dse -S -enable-dse-partial-overwrite-tracking | FileCheck %s |
| 2 | ; PR28588 |
| 3 | |
| 4 | target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| 5 | target triple = "x86_64-unknown-linux-gnu" |
| 6 | |
| 7 | ; Function Attrs: nounwind |
| 8 | define void @_UPT_destroy(i8* nocapture %ptr) local_unnamed_addr #0 { |
| 9 | entry: |
| 10 | %edi = getelementptr inbounds i8, i8* %ptr, i64 8 |
| 11 | |
| 12 | ; CHECK-NOT: tail call void @llvm.memset.p0i8.i64(i8* %edi, i8 0, i64 176, i32 8, i1 false) |
| 13 | ; CHECK-NOT: store i32 -1, i32* %addr |
| 14 | |
| 15 | tail call void @llvm.memset.p0i8.i64(i8* %edi, i8 0, i64 176, i32 8, i1 false) |
| 16 | %format4.i = getelementptr inbounds i8, i8* %ptr, i64 144 |
| 17 | %addr = bitcast i8* %format4.i to i32* |
| 18 | store i32 -1, i32* %addr, align 8 |
| 19 | |
| 20 | ; CHECK: tail call void @free |
| 21 | tail call void @free(i8* nonnull %ptr) |
| 22 | ret void |
| 23 | } |
| 24 | |
| 25 | ; Function Attrs: nounwind |
| 26 | declare void @free(i8* nocapture) local_unnamed_addr #0 |
| 27 | |
| 28 | ; Function Attrs: argmemonly nounwind |
| 29 | declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i32, i1) #1 |
| 30 | |
| 31 | attributes #0 = { nounwind } |
| 32 | attributes #1 = { argmemonly nounwind } |