; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5 ; RUN: opt -O2 -S < %s | FileCheck %s ; Test that no optimization run at -O2 moves the loads into the exit block, ; as this causes unnecessary address escapes with pointer field protection. define ptr @phi_prot_ptr(i1 %sel, ptr %p1, ptr %p2) { ; CHECK-LABEL: define ptr @phi_prot_ptr( ; CHECK-SAME: i1 [[SEL:%.*]], ptr readonly [[P1:%.*]], ptr readonly [[P2:%.*]]) local_unnamed_addr #[[ATTR0:[0-9]+]] { ; CHECK-NEXT: br i1 [[SEL]], label %[[T:.*]], label %[[F:.*]] ; CHECK: [[T]]: ; CHECK-NEXT: [[PROTP1:%.*]] = tail call ptr @llvm.protected.field.ptr.p0(ptr [[P1]], i64 1, i1 true) ; CHECK-NEXT: [[LOAD1:%.*]] = load ptr, ptr [[PROTP1]], align 8 ; CHECK-NEXT: br label %[[EXIT:.*]] ; CHECK: [[F]]: ; CHECK-NEXT: [[PROTP2:%.*]] = tail call ptr @llvm.protected.field.ptr.p0(ptr [[P2]], i64 2, i1 true) ; CHECK-NEXT: [[LOAD2:%.*]] = load ptr, ptr [[PROTP2]], align 8 ; CHECK-NEXT: br label %[[EXIT]] ; CHECK: [[EXIT]]: ; CHECK-NEXT: [[RETVAL:%.*]] = phi ptr [ [[LOAD1]], %[[T]] ], [ [[LOAD2]], %[[F]] ] ; CHECK-NEXT: ret ptr [[RETVAL]] ; br i1 %sel, label %t, label %f t: %protp1 = call ptr @llvm.protected.field.ptr.p0(ptr %p1, i64 1, i1 true) %load1 = load ptr, ptr %protp1 br label %exit f: %protp2 = call ptr @llvm.protected.field.ptr.p0(ptr %p2, i64 2, i1 true) %load2 = load ptr, ptr %protp2 br label %exit exit: %retval = phi ptr [ %load1, %t ], [ %load2, %f ] ret ptr %retval }