diff options
Diffstat (limited to 'llvm/test/CodeGen')
| -rw-r--r-- | llvm/test/CodeGen/X86/memcpy-struct-by-value.ll | 15 |
1 files changed, 15 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 new file mode 100644 index 00000000000..4bb022e9332 --- /dev/null +++ b/llvm/test/CodeGen/X86/memcpy-struct-by-value.ll @@ -0,0 +1,15 @@ +; RUN: llc -mtriple=x86_64-linux-gnu -mattr=-fast-string < %s -o - | FileCheck %s --check-prefix=ALL --check-prefix=NOFAST +; RUN: llc -mtriple=x86_64-linux-gnu -mattr=+fast-string < %s -o - | FileCheck %s --check-prefix=ALL --check-prefix=FAST + +%struct.large = type { [4096 x i8] } + +declare void @foo(%struct.large* align 8 byval) nounwind + +define void @test1(%struct.large* nocapture %x) nounwind { + call void @foo(%struct.large* align 8 byval %x) + ret void + +; ALL-LABEL: test1: +; NOFAST: rep;movsq +; FAST: rep;movsb +} |
