| ; RUN: llc -mtriple=x86_64-unknown-unknown -mattr=+sse2,-sse4.1 < %s | FileCheck %s |
| |
| ; Verify that we don't emit packed vector shifts instructions if the |
| ; condition used by the vector select is a vector of constants. |
| |
| define <4 x float> @test1(<4 x float> %a, <4 x float> %b) { |
| ; CHECK-LABEL: test1: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: shufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[1,3] |
| ; CHECK-NEXT: shufps {{.*#+}} xmm0 = xmm0[0,2,1,3] |
| ; CHECK-NEXT: retq |
| %1 = select <4 x i1> <i1 true, i1 false, i1 true, i1 false>, <4 x float> %a, <4 x float> %b |
| ret <4 x float> %1 |
| } |
| |
| define <4 x float> @test2(<4 x float> %a, <4 x float> %b) { |
| ; CHECK-LABEL: test2: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: movsd {{.*#+}} xmm1 = xmm0[0],xmm1[1] |
| ; CHECK-NEXT: movapd %xmm1, %xmm0 |
| ; CHECK-NEXT: retq |
| %1 = select <4 x i1> <i1 true, i1 true, i1 false, i1 false>, <4 x float> %a, <4 x float> %b |
| ret <4 x float> %1 |
| } |
| |
| define <4 x float> @test3(<4 x float> %a, <4 x float> %b) { |
| ; CHECK-LABEL: test3: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: movsd {{.*#+}} xmm0 = xmm1[0],xmm0[1] |
| ; CHECK-NEXT: retq |
| %1 = select <4 x i1> <i1 false, i1 false, i1 true, i1 true>, <4 x float> %a, <4 x float> %b |
| ret <4 x float> %1 |
| } |
| |
| define <4 x float> @test4(<4 x float> %a, <4 x float> %b) { |
| ; CHECK-LABEL: test4: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: movaps %xmm1, %xmm0 |
| ; CHECK-NEXT: retq |
| %1 = select <4 x i1> <i1 false, i1 false, i1 false, i1 false>, <4 x float> %a, <4 x float> %b |
| ret <4 x float> %1 |
| } |
| |
| define <4 x float> @test5(<4 x float> %a, <4 x float> %b) { |
| ; CHECK-LABEL: test5: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: retq |
| %1 = select <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x float> %a, <4 x float> %b |
| ret <4 x float> %1 |
| } |
| |
| define <8 x i16> @test6(<8 x i16> %a, <8 x i16> %b) { |
| ; CHECK-LABEL: test6: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: retq |
| %1 = select <8 x i1> <i1 true, i1 false, i1 true, i1 false, i1 true, i1 false, i1 true, i1 false>, <8 x i16> %a, <8 x i16> %a |
| ret <8 x i16> %1 |
| } |
| |
| define <8 x i16> @test7(<8 x i16> %a, <8 x i16> %b) { |
| ; CHECK-LABEL: test7: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: movsd {{.*#+}} xmm1 = xmm0[0],xmm1[1] |
| ; CHECK-NEXT: movapd %xmm1, %xmm0 |
| ; CHECK-NEXT: retq |
| %1 = select <8 x i1> <i1 true, i1 true, i1 true, i1 true, i1 false, i1 false, i1 false, i1 false>, <8 x i16> %a, <8 x i16> %b |
| ret <8 x i16> %1 |
| } |
| |
| define <8 x i16> @test8(<8 x i16> %a, <8 x i16> %b) { |
| ; CHECK-LABEL: test8: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: movsd {{.*#+}} xmm0 = xmm1[0],xmm0[1] |
| ; CHECK-NEXT: retq |
| %1 = select <8 x i1> <i1 false, i1 false, i1 false, i1 false, i1 true, i1 true, i1 true, i1 true>, <8 x i16> %a, <8 x i16> %b |
| ret <8 x i16> %1 |
| } |
| |
| define <8 x i16> @test9(<8 x i16> %a, <8 x i16> %b) { |
| ; CHECK-LABEL: test9: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: movaps %xmm1, %xmm0 |
| ; CHECK-NEXT: retq |
| %1 = select <8 x i1> <i1 false, i1 false, i1 false, i1 false, i1 false, i1 false, i1 false, i1 false>, <8 x i16> %a, <8 x i16> %b |
| ret <8 x i16> %1 |
| } |
| |
| define <8 x i16> @test10(<8 x i16> %a, <8 x i16> %b) { |
| ; CHECK-LABEL: test10: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: retq |
| %1 = select <8 x i1> <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true>, <8 x i16> %a, <8 x i16> %b |
| ret <8 x i16> %1 |
| } |
| |
| define <8 x i16> @test11(<8 x i16> %a, <8 x i16> %b) { |
| ; CHECK-LABEL: test11: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: movaps {{.*#+}} xmm2 = [0,65535,65535,0,65535,65535,65535,65535] |
| ; CHECK-NEXT: andps %xmm2, %xmm0 |
| ; CHECK-NEXT: andnps %xmm1, %xmm2 |
| ; CHECK-NEXT: orps %xmm2, %xmm0 |
| ; CHECK-NEXT: retq |
| %1 = select <8 x i1> <i1 false, i1 true, i1 true, i1 false, i1 undef, i1 true, i1 true, i1 undef>, <8 x i16> %a, <8 x i16> %b |
| ret <8 x i16> %1 |
| } |
| |
| define <8 x i16> @test12(<8 x i16> %a, <8 x i16> %b) { |
| ; CHECK-LABEL: test12: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: movaps %xmm1, %xmm0 |
| ; CHECK-NEXT: retq |
| %1 = select <8 x i1> <i1 false, i1 false, i1 undef, i1 false, i1 false, i1 false, i1 false, i1 undef>, <8 x i16> %a, <8 x i16> %b |
| ret <8 x i16> %1 |
| } |
| |
| define <8 x i16> @test13(<8 x i16> %a, <8 x i16> %b) { |
| ; CHECK-LABEL: test13: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: movaps %xmm1, %xmm0 |
| ; CHECK-NEXT: retq |
| %1 = select <8 x i1> <i1 undef, i1 undef, i1 undef, i1 undef, i1 undef, i1 undef, i1 undef, i1 undef>, <8 x i16> %a, <8 x i16> %b |
| ret <8 x i16> %1 |
| } |
| |
| ; Fold (vselect (build_vector AllOnes), N1, N2) -> N1 |
| define <4 x float> @test14(<4 x float> %a, <4 x float> %b) { |
| ; CHECK-LABEL: test14: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: retq |
| %1 = select <4 x i1> <i1 true, i1 undef, i1 true, i1 undef>, <4 x float> %a, <4 x float> %b |
| ret <4 x float> %1 |
| } |
| |
| define <8 x i16> @test15(<8 x i16> %a, <8 x i16> %b) { |
| ; CHECK-LABEL: test15: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: retq |
| %1 = select <8 x i1> <i1 true, i1 true, i1 true, i1 undef, i1 undef, i1 true, i1 true, i1 undef>, <8 x i16> %a, <8 x i16> %b |
| ret <8 x i16> %1 |
| } |
| |
| ; Fold (vselect (build_vector AllZeros), N1, N2) -> N2 |
| define <4 x float> @test16(<4 x float> %a, <4 x float> %b) { |
| ; CHECK-LABEL: test16: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: movaps %xmm1, %xmm0 |
| ; CHECK-NEXT: retq |
| %1 = select <4 x i1> <i1 false, i1 undef, i1 false, i1 undef>, <4 x float> %a, <4 x float> %b |
| ret <4 x float> %1 |
| } |
| |
| define <8 x i16> @test17(<8 x i16> %a, <8 x i16> %b) { |
| ; CHECK-LABEL: test17: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: movaps %xmm1, %xmm0 |
| ; CHECK-NEXT: retq |
| %1 = select <8 x i1> <i1 false, i1 false, i1 false, i1 undef, i1 undef, i1 false, i1 false, i1 undef>, <8 x i16> %a, <8 x i16> %b |
| ret <8 x i16> %1 |
| } |
| |
| define <4 x float> @test18(<4 x float> %a, <4 x float> %b) { |
| ; CHECK-LABEL: test18: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: movss {{.*#+}} xmm0 = xmm1[0],xmm0[1,2,3] |
| ; CHECK-NEXT: retq |
| %1 = select <4 x i1> <i1 false, i1 true, i1 true, i1 true>, <4 x float> %a, <4 x float> %b |
| ret <4 x float> %1 |
| } |
| |
| define <4 x i32> @test19(<4 x i32> %a, <4 x i32> %b) { |
| ; CHECK-LABEL: test19: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: movss {{.*#+}} xmm0 = xmm1[0],xmm0[1,2,3] |
| ; CHECK-NEXT: retq |
| %1 = select <4 x i1> <i1 false, i1 true, i1 true, i1 true>, <4 x i32> %a, <4 x i32> %b |
| ret <4 x i32> %1 |
| } |
| |
| define <2 x double> @test20(<2 x double> %a, <2 x double> %b) { |
| ; CHECK-LABEL: test20: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: movsd {{.*#+}} xmm0 = xmm1[0],xmm0[1] |
| ; CHECK-NEXT: retq |
| %1 = select <2 x i1> <i1 false, i1 true>, <2 x double> %a, <2 x double> %b |
| ret <2 x double> %1 |
| } |
| |
| define <2 x i64> @test21(<2 x i64> %a, <2 x i64> %b) { |
| ; CHECK-LABEL: test21: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: movsd {{.*#+}} xmm0 = xmm1[0],xmm0[1] |
| ; CHECK-NEXT: retq |
| %1 = select <2 x i1> <i1 false, i1 true>, <2 x i64> %a, <2 x i64> %b |
| ret <2 x i64> %1 |
| } |
| |
| define <4 x float> @test22(<4 x float> %a, <4 x float> %b) { |
| ; CHECK-LABEL: test22: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: movss {{.*#+}} xmm1 = xmm0[0],xmm1[1,2,3] |
| ; CHECK-NEXT: movaps %xmm1, %xmm0 |
| ; CHECK-NEXT: retq |
| %1 = select <4 x i1> <i1 true, i1 false, i1 false, i1 false>, <4 x float> %a, <4 x float> %b |
| ret <4 x float> %1 |
| } |
| |
| define <4 x i32> @test23(<4 x i32> %a, <4 x i32> %b) { |
| ; CHECK-LABEL: test23: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: movss {{.*#+}} xmm1 = xmm0[0],xmm1[1,2,3] |
| ; CHECK-NEXT: movaps %xmm1, %xmm0 |
| ; CHECK-NEXT: retq |
| %1 = select <4 x i1> <i1 true, i1 false, i1 false, i1 false>, <4 x i32> %a, <4 x i32> %b |
| ret <4 x i32> %1 |
| } |
| |
| define <2 x double> @test24(<2 x double> %a, <2 x double> %b) { |
| ; CHECK-LABEL: test24: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: movsd {{.*#+}} xmm1 = xmm0[0],xmm1[1] |
| ; CHECK-NEXT: movapd %xmm1, %xmm0 |
| ; CHECK-NEXT: retq |
| %1 = select <2 x i1> <i1 true, i1 false>, <2 x double> %a, <2 x double> %b |
| ret <2 x double> %1 |
| } |
| |
| define <2 x i64> @test25(<2 x i64> %a, <2 x i64> %b) { |
| ; CHECK-LABEL: test25: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: movsd {{.*#+}} xmm1 = xmm0[0],xmm1[1] |
| ; CHECK-NEXT: movapd %xmm1, %xmm0 |
| ; CHECK-NEXT: retq |
| %1 = select <2 x i1> <i1 true, i1 false>, <2 x i64> %a, <2 x i64> %b |
| ret <2 x i64> %1 |
| } |
| |
| define <4 x float> @select_of_shuffles_0(<2 x float> %a0, <2 x float> %b0, <2 x float> %a1, <2 x float> %b1) { |
| ; CHECK-LABEL: select_of_shuffles_0: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: unpcklpd {{.*#+}} xmm0 = xmm0[0],xmm2[0] |
| ; CHECK-NEXT: unpcklpd {{.*#+}} xmm1 = xmm1[0],xmm3[0] |
| ; CHECK-NEXT: subps %xmm1, %xmm0 |
| ; CHECK-NEXT: retq |
| %1 = shufflevector <2 x float> %a0, <2 x float> undef, <4 x i32> <i32 0, i32 1, i32 undef, i32 undef> |
| %2 = shufflevector <2 x float> %a1, <2 x float> undef, <4 x i32> <i32 undef, i32 undef, i32 0, i32 1> |
| %3 = select <4 x i1> <i1 false, i1 false, i1 true, i1 true>, <4 x float> %2, <4 x float> %1 |
| %4 = shufflevector <2 x float> %b0, <2 x float> undef, <4 x i32> <i32 0, i32 1, i32 undef, i32 undef> |
| %5 = shufflevector <2 x float> %b1, <2 x float> undef, <4 x i32> <i32 undef, i32 undef, i32 0, i32 1> |
| %6 = select <4 x i1> <i1 false, i1 false, i1 true, i1 true>, <4 x float> %5, <4 x float> %4 |
| %7 = fsub <4 x float> %3, %6 |
| ret <4 x float> %7 |
| } |
| |
| ; PR20677 |
| define <16 x double> @select_illegal(<16 x double> %a, <16 x double> %b) { |
| ; CHECK-LABEL: select_illegal: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: movaps {{[0-9]+}}(%rsp), %xmm4 |
| ; CHECK-NEXT: movaps {{[0-9]+}}(%rsp), %xmm5 |
| ; CHECK-NEXT: movaps {{[0-9]+}}(%rsp), %xmm6 |
| ; CHECK-NEXT: movaps {{[0-9]+}}(%rsp), %xmm7 |
| ; CHECK-NEXT: movaps %xmm7, 112(%rdi) |
| ; CHECK-NEXT: movaps %xmm6, 96(%rdi) |
| ; CHECK-NEXT: movaps %xmm5, 80(%rdi) |
| ; CHECK-NEXT: movaps %xmm4, 64(%rdi) |
| ; CHECK-NEXT: movaps %xmm3, 48(%rdi) |
| ; CHECK-NEXT: movaps %xmm2, 32(%rdi) |
| ; CHECK-NEXT: movaps %xmm1, 16(%rdi) |
| ; CHECK-NEXT: movaps %xmm0, (%rdi) |
| ; CHECK-NEXT: movq %rdi, %rax |
| ; CHECK-NEXT: retq |
| %sel = select <16 x i1> <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 false, i1 false, i1 false, i1 false, i1 false, i1 false, i1 false, i1 false>, <16 x double> %a, <16 x double> %b |
| ret <16 x double> %sel |
| } |