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