File: invalid-memcpy.ll

package info (click to toggle)
llvm-3.0 3.0-10
  • links: PTS, VCS
  • area: main
  • in suites: wheezy
  • size: 75,412 kB
  • sloc: cpp: 468,043; asm: 109,345; ansic: 13,782; sh: 12,935; ml: 4,716; python: 4,351; perl: 2,096; makefile: 1,905; pascal: 1,578; exp: 389; xml: 283; lisp: 187; csh: 117
file content (17 lines) | stat: -rw-r--r-- 587 bytes parent folder | download | duplicates (6)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
; RUN: llc < %s 

; 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]

define void @Bork() {
entry:
  %Qux = alloca [33 x i8]
  %Qux1 = bitcast [33 x i8]* %Qux to i8*
  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %Qux1, i8* getelementptr inbounds ([33 x i8]* @C.0.1173, i32 0, i32 0), i64 33, i32 8, i1 false)
  ret void
}

declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind