diff options
Diffstat (limited to 'test/Transforms/MemCpyOpt')
| -rw-r--r-- | test/Transforms/MemCpyOpt/memcpy.ll | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/test/Transforms/MemCpyOpt/memcpy.ll b/test/Transforms/MemCpyOpt/memcpy.ll index 16b80a628a..b387d32a7d 100644 --- a/test/Transforms/MemCpyOpt/memcpy.ll +++ b/test/Transforms/MemCpyOpt/memcpy.ll @@ -100,3 +100,12 @@ entry: ; CHECK: store i8 4 ; CHECK: call void @test5a(%struct.S* byval align 16 %y) } + +;; Noop memcpy should be zapped. +define void @test6(i8 *%P) { + call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %P, i64 8, i32 4, i1 false) + ret void +; CHECK: @test6 +; CHECK-NEXT: ret void +} + |