llvm-project/llvm/test/CodeGen/Generic/invalid-memcpy.ll

18 lines
586 B
LLVM

; 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], [33 x i8]* @C.0.1173, i32 0, i32 0), i64 33, i1 false)
ret void
}
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i1) nounwind