diff options
Diffstat (limited to 'test/CodeGen/X86/reduce-trunc-shl.ll')
| -rw-r--r-- | test/CodeGen/X86/reduce-trunc-shl.ll | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/CodeGen/X86/reduce-trunc-shl.ll b/test/CodeGen/X86/reduce-trunc-shl.ll new file mode 100644 index 000000000000..74612df4dd36 --- /dev/null +++ b/test/CodeGen/X86/reduce-trunc-shl.ll @@ -0,0 +1,28 @@ +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mattr=+sse2 | FileCheck %s --check-prefix=SSE2 +; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mattr=+avx2 | FileCheck %s --check-prefix=AVX2 + +define void @trunc_shl_7_v4i32_v4i64(<4 x i32> addrspace(1)* %out, <4 x i64> addrspace(1)* %in) { +; SSE2-LABEL: trunc_shl_7_v4i32_v4i64: +; SSE2: # BB#0: +; SSE2-NEXT: pshufd {{.*#+}} xmm0 = mem[0,2,2,3] +; SSE2-NEXT: pshufd {{.*#+}} xmm1 = mem[0,2,2,3] +; SSE2-NEXT: punpcklqdq {{.*#+}} xmm1 = xmm1[0],xmm0[0] +; SSE2-NEXT: pslld $7, %xmm1 +; SSE2-NEXT: movdqa %xmm1, (%rdi) +; SSE2-NEXT: retq +; +; AVX2-LABEL: trunc_shl_7_v4i32_v4i64: +; AVX2: # BB#0: +; AVX2-NEXT: vpshufd {{.*#+}} ymm0 = mem[0,2,2,3,4,6,6,7] +; AVX2-NEXT: vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3] +; AVX2-NEXT: vpslld $7, %xmm0, %xmm0 +; AVX2-NEXT: vmovdqa %xmm0, (%rdi) +; AVX2-NEXT: vzeroupper +; AVX2-NEXT: retq + %val = load <4 x i64>, <4 x i64> addrspace(1)* %in + %shl = shl <4 x i64> %val, <i64 7, i64 7, i64 7, i64 7> + %trunc = trunc <4 x i64> %shl to <4 x i32> + store <4 x i32> %trunc, <4 x i32> addrspace(1)* %out + ret void +} |