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| -rw-r--r-- | llvm/test/CodeGen/X86/pr29222.ll | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/pr29222.ll b/llvm/test/CodeGen/X86/pr29222.ll new file mode 100644 index 00000000000..3d43d8bfcef --- /dev/null +++ b/llvm/test/CodeGen/X86/pr29222.ll @@ -0,0 +1,82 @@ +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+mmx,+sse2 | FileCheck %s --check-prefixes=X86,X86-SSE +; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+mmx,+avx2 | FileCheck %s --check-prefixes=X86,X86-AVX +; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+mmx,+sse2 | FileCheck %s --check-prefixes=X64,X64-SSE +; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+mmx,+avx2 | FileCheck %s --check-prefixes=X64,X64-AVX + +define i32 @PR29222(i32) nounwind { +; X86-SSE-LABEL: PR29222: +; X86-SSE: # %bb.0: +; X86-SSE-NEXT: pushl %ebp +; X86-SSE-NEXT: movl %esp, %ebp +; X86-SSE-NEXT: andl $-8, %esp +; X86-SSE-NEXT: subl $16, %esp +; X86-SSE-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero +; X86-SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,0,1,1] +; X86-SSE-NEXT: movq %xmm0, {{[0-9]+}}(%esp) +; X86-SSE-NEXT: movq {{[0-9]+}}(%esp), %mm0 +; X86-SSE-NEXT: packsswb %mm0, %mm0 +; X86-SSE-NEXT: movq %mm0, (%esp) +; X86-SSE-NEXT: movq {{.*#+}} xmm0 = mem[0],zero +; X86-SSE-NEXT: packsswb %xmm0, %xmm0 +; X86-SSE-NEXT: movd %xmm0, %eax +; X86-SSE-NEXT: movl %ebp, %esp +; X86-SSE-NEXT: popl %ebp +; X86-SSE-NEXT: retl +; +; X86-AVX-LABEL: PR29222: +; X86-AVX: # %bb.0: +; X86-AVX-NEXT: pushl %ebp +; X86-AVX-NEXT: movl %esp, %ebp +; X86-AVX-NEXT: andl $-8, %esp +; X86-AVX-NEXT: subl $16, %esp +; X86-AVX-NEXT: vbroadcastss 8(%ebp), %xmm0 +; X86-AVX-NEXT: vmovlps %xmm0, {{[0-9]+}}(%esp) +; X86-AVX-NEXT: movq {{[0-9]+}}(%esp), %mm0 +; X86-AVX-NEXT: packsswb %mm0, %mm0 +; X86-AVX-NEXT: movq %mm0, (%esp) +; X86-AVX-NEXT: vmovq {{.*#+}} xmm0 = mem[0],zero +; X86-AVX-NEXT: vpacksswb %xmm0, %xmm0, %xmm0 +; X86-AVX-NEXT: vmovd %xmm0, %eax +; X86-AVX-NEXT: movl %ebp, %esp +; X86-AVX-NEXT: popl %ebp +; X86-AVX-NEXT: retl +; +; X64-SSE-LABEL: PR29222: +; X64-SSE: # %bb.0: +; X64-SSE-NEXT: movd %edi, %xmm0 +; X64-SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,0,1,1] +; X64-SSE-NEXT: movq %xmm0, -{{[0-9]+}}(%rsp) +; X64-SSE-NEXT: movq -{{[0-9]+}}(%rsp), %mm0 +; X64-SSE-NEXT: packsswb %mm0, %mm0 +; X64-SSE-NEXT: movq2dq %mm0, %xmm0 +; X64-SSE-NEXT: packsswb %xmm0, %xmm0 +; X64-SSE-NEXT: movd %xmm0, %eax +; X64-SSE-NEXT: retq +; +; X64-AVX-LABEL: PR29222: +; X64-AVX: # %bb.0: +; X64-AVX-NEXT: vmovd %edi, %xmm0 +; X64-AVX-NEXT: vpbroadcastd %xmm0, %xmm0 +; X64-AVX-NEXT: vmovq %xmm0, -{{[0-9]+}}(%rsp) +; X64-AVX-NEXT: movq -{{[0-9]+}}(%rsp), %mm0 +; X64-AVX-NEXT: packsswb %mm0, %mm0 +; X64-AVX-NEXT: movq2dq %mm0, %xmm0 +; X64-AVX-NEXT: vpacksswb %xmm0, %xmm0, %xmm0 +; X64-AVX-NEXT: vmovd %xmm0, %eax +; X64-AVX-NEXT: retq + %2 = insertelement <2 x i32> undef, i32 %0, i32 0 + %3 = shufflevector <2 x i32> %2, <2 x i32> undef, <2 x i32> zeroinitializer + %4 = bitcast <2 x i32> %3 to x86_mmx + %5 = tail call x86_mmx @llvm.x86.mmx.packsswb(x86_mmx %4, x86_mmx %4) + %6 = bitcast x86_mmx %5 to i64 + %7 = insertelement <2 x i64> undef, i64 %6, i32 0 + %8 = bitcast <2 x i64> %7 to <8 x i16> + %9 = tail call <16 x i8> @llvm.x86.sse2.packsswb.128(<8 x i16> %8, <8 x i16> undef) + %10 = bitcast <16 x i8> %9 to <4 x i32> + %11 = extractelement <4 x i32> %10, i32 0 + ret i32 %11 +} + +declare x86_mmx @llvm.x86.mmx.packsswb(x86_mmx, x86_mmx) +declare <16 x i8> @llvm.x86.sse2.packsswb.128(<8 x i16>, <8 x i16>) |
