File: div8.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (22 lines) | stat: -rw-r--r-- 876 bytes parent folder | download | duplicates (13) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
; RUN: llc < %s | FileCheck %s
; ModuleID = '8div.c'
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-apple-macosx10.6.6"

define signext i8 @test_div(i8 %dividend, i8 %divisor) nounwind ssp {
entry:
  %dividend.addr = alloca i8, align 2
  %divisor.addr = alloca i8, align 1
  %quotient = alloca i8, align 1
  store i8 %dividend, ptr %dividend.addr, align 2
  store i8 %divisor, ptr %divisor.addr, align 1
  %tmp = load i8, ptr %dividend.addr, align 2
  %tmp1 = load i8, ptr %divisor.addr, align 1
; Insist on i8->i32 zero extension, even though divb demands only i16:
; CHECK: movzbl {{.*}}%eax
; CHECK: divb
  %div = udiv i8 %tmp, %tmp1
  store i8 %div, ptr %quotient, align 1
  %tmp4 = load i8, ptr %quotient, align 1
  ret i8 %tmp4
}