File: invalid-memcpy.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 1,998,492 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (16 lines) | stat: -rw-r--r-- 491 bytes parent folder | download | duplicates (12) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
 
; 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]
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %Qux, ptr align 8 @C.0.1173, i64 33, i1 false)
  ret void
}

declare void @llvm.memcpy.p0.p0.i64(ptr nocapture, ptr nocapture, i64, i1) nounwind