File: fast-isel-deadcode.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (21 lines) | stat: -rw-r--r-- 725 bytes parent folder | download | duplicates (12) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
 
; RUN: llc < %s -O0 -fast-isel-abort=1 -verify-machineinstrs -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios | FileCheck %s --check-prefix=THUMB

; Target-specific selector can't properly handle the double because it isn't
; being passed via a register, so the materialized arguments become dead code.

define i32 @main(i32 %argc, ptr %argv) nounwind {
entry:
; THUMB: main
  call void @printArgsNoRet(i32 1, float 0x4000CCCCC0000000, i8 signext 99, double 4.100000e+00)
; THUMB: bl _printArgsNoRet
; THUMB-NOT: ldr
; THUMB-NOT: vldr
; THUMB-NOT: vmov
; THUMB-NOT: ldr
; THUMB-NOT: sxtb
; THUMB: movs r0, #0
; THUMB: pop
  ret i32 0
}

declare void @printArgsNoRet(i32 %a1, float %a2, i8 signext %a3, double %a4)