File: memset2.ll

package info (click to toggle)
llvm-3.1 3.1-1
  • links: PTS, VCS
  • area: main
  • in suites: wheezy
  • size: 80,224 kB
  • sloc: cpp: 491,014; asm: 110,971; ansic: 14,579; sh: 13,120; python: 6,152; ml: 4,719; makefile: 1,830; pascal: 1,553; perl: 874; xml: 283; lisp: 187; csh: 117; exp: 4
file content (15 lines) | stat: -rw-r--r-- 673 bytes parent folder | download | duplicates (7)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
; RUN: opt < %s -instcombine -S | FileCheck %s

; Test to check that instcombine doesn't drop the address space when optimizing
; memset.
%struct.Moves = type { [9 x i8], i8, i8, i8, [5 x i8] }

define i32 @test(%struct.Moves addrspace(1)* nocapture %moves) {
entry:
; CHECK: bitcast i8 addrspace(1)* %gep to i64 addrspace(1)*
	%gep = getelementptr inbounds %struct.Moves addrspace(1)* %moves, i32 1, i32 0, i32 9
	 call void @llvm.memset.p1i8.i64(i8 addrspace(1)* %gep, i8 0, i64 8, i32 1, i1 false)                                                                     
	ret i32 0
}

declare void @llvm.memset.p1i8.i64(i8addrspace(1)* nocapture, i8, i64, i32, i1) nounwind