1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -passes=instcombine,lower-constant-intrinsics -S < %s | FileCheck %s 3 4target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 5target triple = "x86_64-unknown-linux-gnu" 6 7declare i64 @llvm.objectsize.i64.p0(ptr, i1 immarg, i1 immarg, i1 immarg) 8 9 10define dso_local i64 @check_store_load(i1 %cond) local_unnamed_addr { 11; CHECK-LABEL: @check_store_load( 12; CHECK-NEXT: entry: 13; CHECK-NEXT: [[PTR01:%.*]] = alloca [10 x i8], align 1 14; CHECK-NEXT: br i1 [[COND:%.*]], label [[IF_THEN:%.*]], label [[IF_END:%.*]] 15; CHECK: if.then: 16; CHECK-NEXT: br label [[RETURN:%.*]] 17; CHECK: if.end: 18; CHECK-NEXT: [[PTR12:%.*]] = alloca [12 x i8], align 1 19; CHECK-NEXT: br label [[RETURN]] 20; CHECK: return: 21; CHECK-NEXT: [[STOREMERGE:%.*]] = phi ptr [ [[PTR12]], [[IF_END]] ], [ [[PTR01]], [[IF_THEN]] ] 22; CHECK-NEXT: ret i64 12 23; 24entry: 25 %holder = alloca ptr 26 %ptr0 = alloca i8, i64 10 27 br i1 %cond, label %if.then, label %if.end 28 29if.then: 30 store ptr %ptr0, ptr %holder 31 br label %return 32 33if.end: 34 %ptr1 = alloca i8, i64 12 35 store ptr %ptr1, ptr %holder 36 br label %return 37 38return: 39 %held = load ptr, ptr %holder 40 %objsize = call i64 @llvm.objectsize.i64.p0(ptr %held, i1 false, i1 true, i1 false) 41 ret i64 %objsize 42 43} 44