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| author | Clement Courbet <courbet@google.com> | 2017-04-21 09:20:55 +0000 |
|---|---|---|
| committer | Clement Courbet <courbet@google.com> | 2017-04-21 09:20:55 +0000 |
| commit | d5f6182bec48b40198742cb814816a396f8b831c (patch) | |
| tree | 21c5349397d89efe5add82252836476345ade3c6 /llvm/test | |
| parent | 203fc17797e2c56cd6715536bb6347864196a855 (diff) | |
| download | bcm5719-llvm-d5f6182bec48b40198742cb814816a396f8b831c.tar.gz bcm5719-llvm-d5f6182bec48b40198742cb814816a396f8b831c.zip | |
use repmovsb when optimizing forminsize
llvm-svn: 300960
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/CodeGen/X86/memcpy-struct-by-value.ll | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/memcpy-struct-by-value.ll b/llvm/test/CodeGen/X86/memcpy-struct-by-value.ll index bf889161023..3c01adbb83f 100644 --- a/llvm/test/CodeGen/X86/memcpy-struct-by-value.ll +++ b/llvm/test/CodeGen/X86/memcpy-struct-by-value.ll @@ -17,3 +17,29 @@ define void @test1(%struct.large* nocapture %x) nounwind { ; FAST: rep;movsb ; HASWELL: rep;movsb } + +define void @test2(%struct.large* nocapture %x) nounwind minsize { + call void @foo(%struct.large* align 8 byval %x) + ret void + +; ALL-LABEL: test2: +; NOFAST: rep;movsq +; GENERIC: rep;movsq +; FAST: rep;movsb +; HASWELL: rep;movsb +} + +%struct.large_oddsize = type { [4095 x i8] } + +declare void @foo_oddsize(%struct.large_oddsize* align 8 byval) nounwind + +define void @test3(%struct.large_oddsize* nocapture %x) nounwind minsize { + call void @foo_oddsize(%struct.large_oddsize* align 8 byval %x) + ret void + +; ALL-LABEL: test3: +; NOFAST: rep;movsb +; GENERIC: rep;movsb +; FAST: rep;movsb +; HASWELL: rep;movsb +} |
