| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse4.1 | FileCheck %s |
| |
| define void @foo(<3 x float> %in, <4 x i8>* nocapture %out) nounwind { |
| ; CHECK-LABEL: foo: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: cvttps2dq %xmm0, %xmm0 |
| ; CHECK-NEXT: movl $255, %eax |
| ; CHECK-NEXT: pinsrd $3, %eax, %xmm0 |
| ; CHECK-NEXT: pshufb {{.*#+}} xmm0 = xmm0[0,4,8,12,u,u,u,u,u,u,u,u,u,u,u,u] |
| ; CHECK-NEXT: movd %xmm0, (%rdi) |
| ; CHECK-NEXT: retq |
| %t0 = fptoui <3 x float> %in to <3 x i8> |
| %t1 = shufflevector <3 x i8> %t0, <3 x i8> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 undef> |
| %t2 = insertelement <4 x i8> %t1, i8 -1, i32 3 |
| store <4 x i8> %t2, <4 x i8>* %out, align 4 |
| ret void |
| } |
| |
| ; Verify that the DAGCombiner doesn't wrongly fold a build_vector into a |
| ; blend with a zero vector if the build_vector contains negative zero. |
| |
| define <4 x float> @test_negative_zero_1(<4 x float> %A) { |
| ; CHECK-LABEL: test_negative_zero_1: |
| ; CHECK: # BB#0: # %entry |
| ; CHECK-NEXT: insertps {{.*#+}} xmm0 = xmm0[0],mem[0],xmm0[2],zero |
| ; CHECK-NEXT: retq |
| entry: |
| %0 = extractelement <4 x float> %A, i32 0 |
| %1 = insertelement <4 x float> undef, float %0, i32 0 |
| %2 = insertelement <4 x float> %1, float -0.0, i32 1 |
| %3 = extractelement <4 x float> %A, i32 2 |
| %4 = insertelement <4 x float> %2, float %3, i32 2 |
| %5 = insertelement <4 x float> %4, float 0.0, i32 3 |
| ret <4 x float> %5 |
| } |
| |
| define <2 x double> @test_negative_zero_2(<2 x double> %A) { |
| ; CHECK-LABEL: test_negative_zero_2: |
| ; CHECK: # BB#0: # %entry |
| ; CHECK-NEXT: movhpd {{.*#+}} xmm0 = xmm0[0],mem[0] |
| ; CHECK-NEXT: retq |
| entry: |
| %0 = extractelement <2 x double> %A, i32 0 |
| %1 = insertelement <2 x double> undef, double %0, i32 0 |
| %2 = insertelement <2 x double> %1, double -0.0, i32 1 |
| ret <2 x double> %2 |
| } |
| |
| define <4 x float> @test_buildvector_v4f32_register(float %f0, float %f1, float %f2, float %f3) { |
| ; CHECK-LABEL: test_buildvector_v4f32_register: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: insertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3] |
| ; CHECK-NEXT: insertps {{.*#+}} xmm0 = xmm0[0,1],xmm2[0],xmm0[3] |
| ; CHECK-NEXT: insertps {{.*#+}} xmm0 = xmm0[0,1,2],xmm3[0] |
| ; CHECK-NEXT: retq |
| %ins0 = insertelement <4 x float> undef, float %f0, i32 0 |
| %ins1 = insertelement <4 x float> %ins0, float %f1, i32 1 |
| %ins2 = insertelement <4 x float> %ins1, float %f2, i32 2 |
| %ins3 = insertelement <4 x float> %ins2, float %f3, i32 3 |
| ret <4 x float> %ins3 |
| } |
| |
| define <4 x float> @test_buildvector_v4f32_load(float* %p0, float* %p1, float* %p2, float* %p3) { |
| ; CHECK-LABEL: test_buildvector_v4f32_load: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero |
| ; CHECK-NEXT: insertps {{.*#+}} xmm0 = xmm0[0],mem[0],xmm0[2,3] |
| ; CHECK-NEXT: insertps {{.*#+}} xmm0 = xmm0[0,1],mem[0],xmm0[3] |
| ; CHECK-NEXT: insertps {{.*#+}} xmm0 = xmm0[0,1,2],mem[0] |
| ; CHECK-NEXT: retq |
| %f0 = load float, float* %p0, align 4 |
| %f1 = load float, float* %p1, align 4 |
| %f2 = load float, float* %p2, align 4 |
| %f3 = load float, float* %p3, align 4 |
| %ins0 = insertelement <4 x float> undef, float %f0, i32 0 |
| %ins1 = insertelement <4 x float> %ins0, float %f1, i32 1 |
| %ins2 = insertelement <4 x float> %ins1, float %f2, i32 2 |
| %ins3 = insertelement <4 x float> %ins2, float %f3, i32 3 |
| ret <4 x float> %ins3 |
| } |
| |
| define <4 x float> @test_buildvector_v4f32_partial_load(float %f0, float %f1, float %f2, float* %p3) { |
| ; CHECK-LABEL: test_buildvector_v4f32_partial_load: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: insertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3] |
| ; CHECK-NEXT: insertps {{.*#+}} xmm0 = xmm0[0,1],xmm2[0],xmm0[3] |
| ; CHECK-NEXT: insertps {{.*#+}} xmm0 = xmm0[0,1,2],mem[0] |
| ; CHECK-NEXT: retq |
| %f3 = load float, float* %p3, align 4 |
| %ins0 = insertelement <4 x float> undef, float %f0, i32 0 |
| %ins1 = insertelement <4 x float> %ins0, float %f1, i32 1 |
| %ins2 = insertelement <4 x float> %ins1, float %f2, i32 2 |
| %ins3 = insertelement <4 x float> %ins2, float %f3, i32 3 |
| ret <4 x float> %ins3 |
| } |