llvm-project/llvm/test/Transforms/MemCpyOpt/loadstore-sret.ll

31 lines
1.8 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S < %s -basic-aa -memcpyopt -enable-memcpyopt-memoryssa=0 | FileCheck %s
; RUN: opt -S < %s -basic-aa -memcpyopt -enable-memcpyopt-memoryssa=1 -verify-memoryssa | FileCheck %s
; <rdar://problem/8536696>
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"
%"class.std::auto_ptr" = type { i32* }
define void @_Z3foov(%"class.std::auto_ptr"* noalias nocapture sret(%"class.std::auto_ptr") %agg.result) ssp {
; CHECK-LABEL: @_Z3foov(
; CHECK-NEXT: _ZNSt8auto_ptrIiED1Ev.exit:
; CHECK-NEXT: [[TEMP_LVALUE:%.*]] = alloca %"class.std::auto_ptr", align 8
; CHECK-NEXT: call void @_Z3barv(%"class.std::auto_ptr"* sret(%"class.std::auto_ptr") [[AGG_RESULT:%.*]])
; CHECK-NEXT: [[TMP_I_I:%.*]] = getelementptr inbounds %"class.std::auto_ptr", %"class.std::auto_ptr"* [[TEMP_LVALUE]], i64 0, i32 0
; CHECK-NEXT: [[TMP_I_I4:%.*]] = getelementptr inbounds %"class.std::auto_ptr", %"class.std::auto_ptr"* [[AGG_RESULT]], i64 0, i32 0
; CHECK-NEXT: ret void
;
_ZNSt8auto_ptrIiED1Ev.exit:
%temp.lvalue = alloca %"class.std::auto_ptr", align 8
call void @_Z3barv(%"class.std::auto_ptr"* sret(%"class.std::auto_ptr") %temp.lvalue)
%tmp.i.i = getelementptr inbounds %"class.std::auto_ptr", %"class.std::auto_ptr"* %temp.lvalue, i64 0, i32 0
%tmp2.i.i = load i32*, i32** %tmp.i.i, align 8
%tmp.i.i4 = getelementptr inbounds %"class.std::auto_ptr", %"class.std::auto_ptr"* %agg.result, i64 0, i32 0
store i32* %tmp2.i.i, i32** %tmp.i.i4, align 8
ret void
}
declare void @_Z3barv(%"class.std::auto_ptr"* nocapture sret(%"class.std::auto_ptr")) nounwind