File: inlineasm-ldr-pseudo.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (24 lines) | stat: -rw-r--r-- 1,001 bytes parent folder | download | duplicates (8)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
; We actually need to use -filetype=obj in this test because if we output
; assembly, the current code path will bypass the parser and just write the
; raw text out to the Streamer. We need to actually parse the inlineasm to
; demonstrate the bug. Going the asm->obj route does not show the issue.
; RUN: llc -mtriple=aarch64   < %s -filetype=obj | llvm-objdump --arch=aarch64 -d - | FileCheck %s

; CHECK-LABEL: <foo>:
; CHECK:       a0 79 95 d2   mov x0, #43981
; CHECK:       c0 03 5f d6   ret
define i32 @foo() nounwind {
entry:
  %0 = tail call i32 asm sideeffect "ldr $0,=0xabcd", "=r"() nounwind
  ret i32 %0
}
; CHECK-LABEL: <bar>:
; CHECK:        40 00 00 58                                      ldr    x0, 0x10
; CHECK:        c0 03 5f d6                                      ret
; Make sure the constant pool entry comes after the return
; CHECK-LABEL:        <$d.1>:
define i32 @bar() nounwind {
entry:
  %0 = tail call i32 asm sideeffect "ldr $0,=0x10001", "=r"() nounwind
  ret i32 %0
}