1 // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 2 2 // REQUIRES: bpf-registered-target 3 // RUN: %clang_cc1 -triple bpf -disable-llvm-passes -emit-llvm -o - %s | FileCheck %s 4 5 // Verify that preserve_static_offset does not interfere with 6 // preserve_access_index at IR generation stage. 7 8 #define __ctx __attribute__((preserve_static_offset)) 9 #define __pai __attribute__((preserve_access_index)) 10 11 struct foo { 12 int a; 13 } __ctx __pai; 14 15 // CHECK-LABEL: define dso_local i32 @bar 16 // CHECK-SAME: (ptr noundef [[P:%.*]]) #[[ATTR0:[0-9]+]] { 17 // CHECK-NEXT: entry: 18 // CHECK-NEXT: [[P_ADDR:%.*]] = alloca ptr, align 8 19 // CHECK-NEXT: store ptr [[P]], ptr [[P_ADDR]], align 8 20 // CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[P_ADDR]], align 8 21 // CHECK-NEXT: [[TMP1:%.*]] = call ptr @llvm.preserve.static.offset(ptr [[TMP0]]) 22 // CHECK-NEXT: [[A:%.*]] = getelementptr inbounds nuw [[STRUCT_FOO:%.*]], ptr [[TMP1]], i32 0, i32 0 23 // CHECK-NEXT: [[TMP2:%.*]] = load i32, ptr [[A]], align 4 24 // CHECK-NEXT: ret i32 [[TMP2]] 25 // 26 int bar(struct foo *p) { 27 return p->a; 28 } 29