File: finegrain-bitfield-type.cpp

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 733,456 kB
  • sloc: cpp: 3,776,651; ansic: 633,271; asm: 350,301; python: 142,716; objc: 107,612; sh: 22,626; lisp: 11,056; perl: 7,999; pascal: 6,742; ml: 5,537; awk: 3,536; makefile: 2,557; cs: 2,027; xml: 841; ruby: 156
file content (22 lines) | stat: -rw-r--r-- 540 bytes parent folder | download | duplicates (6) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
// RUN: %clang_cc1 -triple x86_64-linux-gnu -ffine-grained-bitfield-accesses \
// RUN:   -emit-llvm -o - %s | FileCheck %s
struct S4 {
  unsigned long f1:28;
  unsigned long f2:4;
  unsigned long f3:12;
};
struct S4 a4;

struct S5 {
  unsigned long f1:28;
  unsigned long f2:4;
  unsigned long f3:28;
  unsigned long f4:4;
  unsigned long f5:12;
};
struct S5 a5;

// CHECK: %struct.S4 = type { i32, i16 }
// CHECK-NOT: %struct.S4 = type { i48 }
// CHECK: %struct.S5 = type { i32, i32, i16, [6 x i8] }
// CHECK-NOT: %struct.S5 = type { i80 }