File: invalid-memcpy.ll

package info (click to toggle)
llvm 2.2-12
  • links: PTS, VCS
  • area: main
  • in suites: lenny
  • size: 38,648 kB
  • ctags: 28,258
  • sloc: cpp: 215,479; sh: 12,132; ansic: 10,002; yacc: 5,525; perl: 2,352; ml: 1,580; makefile: 956; pascal: 718; lex: 602; exp: 320; ada: 193; lisp: 160; csh: 116; objc: 59; python: 59; tcl: 20
file content (20 lines) | stat: -rw-r--r-- 696 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
; RUN: llvm-as < %s | llc -march=ppc32
; RUN: llvm-as < %s | llc -march=ppc64

; This testcase is invalid (the alignment specified for memcpy is 
; greater than the alignment guaranteed for Qux or C.0.1173, but it
; should compile, not crash the code generator.

@C.0.1173 = external constant [33 x i8]         ; <[33 x i8]*> [#uses=1]

define void @Bork() {
entry:
        %Qux = alloca [33 x i8]         ; <[33 x i8]*> [#uses=1]
        %Qux1 = bitcast [33 x i8]* %Qux to i8*          ; <i8*> [#uses=1]
        call void @llvm.memcpy.i64( i8* %Qux1, i8* getelementptr ([33 x i8]* @C.0.1173, i32 0, i32 0), i64 33, i32 8 )
        ret void
}

declare void @llvm.memcpy.i64(i8*, i8*, i64, i32)