File: 2007-05-29-MemcpyPreserve.ll

package info (click to toggle)
llvm-2.7 2.7-6
  • links: PTS
  • area: main
  • in suites: squeeze
  • size: 59,992 kB
  • ctags: 49,499
  • sloc: cpp: 373,792; ansic: 16,885; sh: 12,614; asm: 6,809; ada: 3,083; ml: 2,942; python: 2,671; perl: 2,404; makefile: 1,691; pascal: 1,235; exp: 399; objc: 291; lisp: 184; csh: 117; xml: 38; f90: 36
file content (23 lines) | stat: -rw-r--r-- 1,161 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
; RUN: opt < %s -scalarrepl -S | grep memcpy
; PR1421

target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64"
target triple = "i686-apple-darwin8"
	%struct.LongestMember = type { i8, i32 }
	%struct.MyString = type { i32 }
	%struct.UnionType = type { %struct.LongestMember }

define void @_Z4testP9UnionTypePS0_(%struct.UnionType* %p, %struct.UnionType** %pointerToUnion) {
entry:
	%tmp = alloca %struct.UnionType, align 8		; <%struct.UnionType*> [#uses=2]
	%tmp2 = getelementptr %struct.UnionType* %tmp, i32 0, i32 0, i32 0		; <i8*> [#uses=1]
	%tmp13 = getelementptr %struct.UnionType* %p, i32 0, i32 0, i32 0		; <i8*> [#uses=1]
	call void @llvm.memcpy.i32( i8* %tmp2, i8* %tmp13, i32 8, i32 0 )
	%tmp5 = load %struct.UnionType** %pointerToUnion		; <%struct.UnionType*> [#uses=1]
	%tmp56 = getelementptr %struct.UnionType* %tmp5, i32 0, i32 0, i32 0		; <i8*> [#uses=1]
	%tmp7 = getelementptr %struct.UnionType* %tmp, i32 0, i32 0, i32 0		; <i8*> [#uses=1]
	call void @llvm.memcpy.i32( i8* %tmp56, i8* %tmp7, i32 8, i32 0 )
	ret void
}

declare void @llvm.memcpy.i32(i8*, i8*, i32, i32)