xref: /llvm-project/llvm/test/CodeGen/AVR/std-ldd-immediate-overflow.ll (revision 9ef1d37ffb5f56a9b949a6307bbb16c2ea0130e3)
1; RUN: llc -O0 < %s -mtriple=avr | FileCheck %s
2
3define i32 @std_ldd_overflow() {
4  %src = alloca [4 x i8]
5  %dst = alloca [4 x i8]
6  %buf = alloca [28 x i16]
7  %1 = bitcast ptr %src to ptr
8  store i32 0, ptr %1
9  %2 = bitcast ptr %dst to ptr
10  %3 = bitcast ptr %src to ptr
11  call void @llvm.memcpy.p0.p0.i16(ptr %2, ptr %3, i16 4, i1 false)
12; CHECK-NOT: std {{[XYZ]}}+64, {{r[0-9]+}}
13; CHECK-NOT: ldd {{r[0-9]+}}, {{[XYZ]}}+64
14
15  ret i32 0
16}
17
18declare void @llvm.memcpy.p0.p0.i16(ptr nocapture writeonly, ptr nocapture readonly, i16, i1)
19