File: fast-isel-deadcode.ll

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.7-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 2,245,064 kB
  • sloc: cpp: 7,619,731; ansic: 1,434,018; asm: 1,058,748; python: 252,740; f90: 94,671; objc: 70,685; lisp: 42,813; pascal: 18,401; sh: 8,601; ml: 5,111; perl: 4,720; makefile: 3,676; awk: 3,523; javascript: 2,409; xml: 892; fortran: 770
file content (21 lines) | stat: -rw-r--r-- 725 bytes parent folder | download | duplicates (16)
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)