33 lines
1.1 KiB
LLVM
33 lines
1.1 KiB
LLVM
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa=false -S -enable-dse-partial-overwrite-tracking | FileCheck %s
|
|
; PR28588
|
|
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
|
|
; Function Attrs: nounwind
|
|
define void @_UPT_destroy(i8* nocapture %ptr) local_unnamed_addr #0 {
|
|
entry:
|
|
%edi = getelementptr inbounds i8, i8* %ptr, i64 8
|
|
|
|
; CHECK-NOT: tail call void @llvm.memset.p0i8.i64(i8* align 8 %edi, i8 0, i64 176, i1 false)
|
|
; CHECK-NOT: store i32 -1, i32* %addr
|
|
|
|
tail call void @llvm.memset.p0i8.i64(i8* align 8 %edi, i8 0, i64 176, i1 false)
|
|
%format4.i = getelementptr inbounds i8, i8* %ptr, i64 144
|
|
%addr = bitcast i8* %format4.i to i32*
|
|
store i32 -1, i32* %addr, align 8
|
|
|
|
; CHECK: tail call void @free
|
|
tail call void @free(i8* nonnull %ptr)
|
|
ret void
|
|
}
|
|
|
|
; Function Attrs: nounwind
|
|
declare void @free(i8* nocapture) local_unnamed_addr #0
|
|
|
|
; Function Attrs: argmemonly nounwind
|
|
declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i1) #1
|
|
|
|
attributes #0 = { nounwind }
|
|
attributes #1 = { argmemonly nounwind }
|