diff options
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/CodeGen/X86/vec-trunc-store.ll | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/llvm/test/CodeGen/X86/vec-trunc-store.ll b/llvm/test/CodeGen/X86/vec-trunc-store.ll index d7897f8f3fa..e2d23242d5e 100644 --- a/llvm/test/CodeGen/X86/vec-trunc-store.ll +++ b/llvm/test/CodeGen/X86/vec-trunc-store.ll @@ -1,6 +1,18 @@ -; RUN: llc < %s -march=x86-64 +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s define void @foo(<8 x i32>* %p) nounwind { +; CHECK-LABEL: foo: +; CHECK: # BB#0: +; CHECK-NEXT: movdqa (%rdi), %xmm0 +; CHECK-NEXT: movdqa 16(%rdi), %xmm1 +; CHECK-NEXT: pslld $16, %xmm1 +; CHECK-NEXT: psrad $16, %xmm1 +; CHECK-NEXT: pslld $16, %xmm0 +; CHECK-NEXT: psrad $16, %xmm0 +; CHECK-NEXT: packssdw %xmm1, %xmm0 +; CHECK-NEXT: movdqa %xmm0, (%rax) +; CHECK-NEXT: retq %t = load <8 x i32>, <8 x i32>* %p %cti69 = trunc <8 x i32> %t to <8 x i16> ; <<8 x i16>> [#uses=1] store <8 x i16> %cti69, <8 x i16>* undef @@ -8,6 +20,13 @@ define void @foo(<8 x i32>* %p) nounwind { } define void @bar(<4 x i32>* %p) nounwind { +; CHECK-LABEL: bar: +; CHECK: # BB#0: +; CHECK-NEXT: pshuflw {{.*#+}} xmm0 = mem[0,2,2,3,4,5,6,7] +; CHECK-NEXT: pshufhw {{.*#+}} xmm0 = xmm0[0,1,2,3,4,6,6,7] +; CHECK-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3] +; CHECK-NEXT: movq %xmm0, (%rax) +; CHECK-NEXT: retq %t = load <4 x i32>, <4 x i32>* %p %cti44 = trunc <4 x i32> %t to <4 x i16> ; <<4 x i16>> [#uses=1] store <4 x i16> %cti44, <4 x i16>* undef |
