llvm-6502/test/CodeGen/Mips/2012-12-12-ExpandMemcpy.ll
Evan Cheng a16e49d56f Fix a logic bug in inline expansion of memcpy / memset with an overlapping
load / store pair. It's not legal to use a wider load than the size of
the remaining bytes if it's the first pair of load / store.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170018 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-12 20:43:23 +00:00

12 lines
399 B
LLVM

; RUN: llc -march=mips64el -mcpu=mips64r2 < %s
@.str = private unnamed_addr constant [7 x i8] c"hello\0A\00", align 1
define void @t(i8* %ptr) {
entry:
tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %ptr, i8* getelementptr inbounds ([7 x i8]* @.str, i64 0, i64 0), i64 7, i32 1, i1 false)
ret void
}
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind