File: rodata_7.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.8-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,696 kB
  • sloc: cpp: 7,438,781; ansic: 1,393,871; asm: 1,012,926; python: 241,771; f90: 86,635; objc: 75,411; lisp: 42,144; pascal: 17,286; sh: 8,596; ml: 5,082; perl: 4,730; makefile: 3,591; awk: 3,523; javascript: 2,251; xml: 892; fortran: 672
file content (25 lines) | stat: -rw-r--r-- 636 bytes parent folder | download | duplicates (7) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
 
; RUN: llc -mtriple=bpf -mcpu=v1 < %s | FileCheck %s
;
; Source code:
;   struct t1 { int a; };
;   volatile const struct t1 data = { .a = 3 };
;   int foo(void) {
;     return data.a + 20;
;   }
; Compilation flag:
;   clang -target bpf -O2 -S -emit-llvm test.c

%struct.t1 = type { i32 }

@data = dso_local constant %struct.t1 { i32 3 }, align 4

; Function Attrs: nofree norecurse nounwind
define dso_local i32 @foo() local_unnamed_addr {
entry:
  %0 = load volatile i32, ptr @data, align 4
  %add = add nsw i32 %0, 20
; CHECK:   [[REG1:r[0-9]+]] = data ll
; CHECK:   r0 = *(u32 *)([[REG1]] + 0)
; CHECK:   r0 += 20
  ret i32 %add
}