File: memset-inline.ll

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2~deb10u1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 995,836 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (27 lines) | stat: -rw-r--r-- 757 bytes parent folder | download | duplicates (14)
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
26
27
; RUN: llc -march=hexagon -O2 < %s | FileCheck %s

target triple = "hexagon-unknown--elf"

; Test to see if we inline memsets when the array size is small.
; CHECK-LABEL: f0
; CHECK-DAG: memw
; CHECK-DAG: memb
; CHECK-DAG: memh
define i32 @f0() #0 {
b0:
  %v0 = alloca [10 x i32], align 8
  %v1 = bitcast [10 x i32]* %v0 to i8*
  call void @llvm.memset.p0i8.i32(i8* align 8 %v1, i8 0, i32 7, i1 false)
  %v2 = getelementptr inbounds [10 x i32], [10 x i32]* %v0, i32 0, i32 0
  call void @f1(i32* %v2) #0
  ret i32 0
}

; Function Attrs: nounwind
declare void @f1(i32*) #0

; Function Attrs: argmemonly nounwind
declare void @llvm.memset.p0i8.i32(i8* nocapture writeonly, i8, i32, i1) #1

attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }