Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/llvm/test/CodeGen/X86/avx-splat.ll

@@ -0,0 +1,173 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s
+
+define <32 x i8> @funcA(<32 x i8> %a) nounwind uwtable readnone ssp {
+; CHECK-LABEL: funcA:
+; CHECK:       # %bb.0: # %entry
+; CHECK-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5]
+; CHECK-NEXT:    vinsertf128 $1, %xmm0, %ymm0, %ymm0
+; CHECK-NEXT:    retq
+entry:
+  %shuffle = shufflevector <32 x i8> %a, <32 x i8> undef, <32 x i32> <i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5>
+  ret <32 x i8> %shuffle
+}
+
+define <16 x i16> @funcB(<16 x i16> %a) nounwind uwtable readnone ssp {
+; CHECK-LABEL: funcB:
+; CHECK:       # %bb.0: # %entry
+; CHECK-NEXT:    vpshufhw {{.*#+}} xmm0 = xmm0[0,1,2,3,5,5,6,7]
+; CHECK-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[2,2,2,2]
+; CHECK-NEXT:    vinsertf128 $1, %xmm0, %ymm0, %ymm0
+; CHECK-NEXT:    retq
+entry:
+  %shuffle = shufflevector <16 x i16> %a, <16 x i16> undef, <16 x i32> <i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5>
+  ret <16 x i16> %shuffle
+}
+
+define <4 x i64> @funcC(i64 %q) nounwind uwtable readnone ssp {
+; CHECK-LABEL: funcC:
+; CHECK:       # %bb.0: # %entry
+; CHECK-NEXT:    vmovq %rdi, %xmm0
+; CHECK-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,1,0,1]
+; CHECK-NEXT:    vinsertf128 $1, %xmm0, %ymm0, %ymm0
+; CHECK-NEXT:    retq
+entry:
+  %vecinit.i = insertelement <4 x i64> undef, i64 %q, i32 0
+  %vecinit2.i = insertelement <4 x i64> %vecinit.i, i64 %q, i32 1
+  %vecinit4.i = insertelement <4 x i64> %vecinit2.i, i64 %q, i32 2
+  %vecinit6.i = insertelement <4 x i64> %vecinit4.i, i64 %q, i32 3
+  ret <4 x i64> %vecinit6.i
+}
+
+define <4 x double> @funcD(double %q) nounwind uwtable readnone ssp {
+; CHECK-LABEL: funcD:
+; CHECK:       # %bb.0: # %entry
+; CHECK-NEXT:    vmovddup {{.*#+}} xmm0 = xmm0[0,0]
+; CHECK-NEXT:    vinsertf128 $1, %xmm0, %ymm0, %ymm0
+; CHECK-NEXT:    retq
+entry:
+  %vecinit.i = insertelement <4 x double> undef, double %q, i32 0
+  %vecinit2.i = insertelement <4 x double> %vecinit.i, double %q, i32 1
+  %vecinit4.i = insertelement <4 x double> %vecinit2.i, double %q, i32 2
+  %vecinit6.i = insertelement <4 x double> %vecinit4.i, double %q, i32 3
+  ret <4 x double> %vecinit6.i
+}
+
+; Test this turns into a broadcast:
+;   shuffle (scalar_to_vector (load (ptr + 4))), undef, <0, 0, 0, 0>
+;
+define <8 x float> @funcE() nounwind {
+; CHECK-LABEL: funcE:
+; CHECK:       # %bb.0: # %for_exit499
+; CHECK-NEXT:    xorl %eax, %eax
+; CHECK-NEXT:    testb %al, %al
+; CHECK-NEXT:    # implicit-def: %ymm0
+; CHECK-NEXT:    jne .LBB4_2
+; CHECK-NEXT:  # %bb.1: # %load.i1247
+; CHECK-NEXT:    pushq %rbp
+; CHECK-NEXT:    movq %rsp, %rbp
+; CHECK-NEXT:    andq $-32, %rsp
+; CHECK-NEXT:    subq $1312, %rsp # imm = 0x520
+; CHECK-NEXT:    vbroadcastss {{[0-9]+}}(%rsp), %ymm0
+; CHECK-NEXT:    movq %rbp, %rsp
+; CHECK-NEXT:    popq %rbp
+; CHECK-NEXT:  .LBB4_2: # %__load_and_broadcast_32.exit1249
+; CHECK-NEXT:    retq
+allocas:
+  %udx495 = alloca [18 x [18 x float]], align 32
+  br label %for_test505.preheader
+
+for_test505.preheader:                            ; preds = %for_test505.preheader, %allocas
+  br i1 undef, label %for_exit499, label %for_test505.preheader
+
+for_exit499:                                      ; preds = %for_test505.preheader
+  br i1 undef, label %__load_and_broadcast_32.exit1249, label %load.i1247
+
+load.i1247:                                       ; preds = %for_exit499
+  %ptr1227 = getelementptr [18 x [18 x float]], [18 x [18 x float]]* %udx495, i64 0, i64 1, i64 1
+  %ptr.i1237 = bitcast float* %ptr1227 to i32*
+  %val.i1238 = load i32, i32* %ptr.i1237, align 4
+  %ret6.i1245 = insertelement <8 x i32> undef, i32 %val.i1238, i32 6
+  %ret7.i1246 = insertelement <8 x i32> %ret6.i1245, i32 %val.i1238, i32 7
+  %phitmp = bitcast <8 x i32> %ret7.i1246 to <8 x float>
+  br label %__load_and_broadcast_32.exit1249
+
+__load_and_broadcast_32.exit1249:                 ; preds = %load.i1247, %for_exit499
+  %load_broadcast12281250 = phi <8 x float> [ %phitmp, %load.i1247 ], [ undef, %for_exit499 ]
+  ret <8 x float> %load_broadcast12281250
+}
+
+define <8 x float> @funcF(i32 %val) nounwind {
+; CHECK-LABEL: funcF:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vmovd %edi, %xmm0
+; CHECK-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,1,0,0]
+; CHECK-NEXT:    vinsertf128 $1, %xmm0, %ymm0, %ymm0
+; CHECK-NEXT:    retq
+  %ret6 = insertelement <8 x i32> undef, i32 %val, i32 6
+  %ret7 = insertelement <8 x i32> %ret6, i32 %val, i32 7
+  %tmp = bitcast <8 x i32> %ret7 to <8 x float>
+  ret <8 x float> %tmp
+}
+
+define <8 x float> @funcG(<8 x float> %a) nounwind uwtable readnone ssp {
+; CHECK-LABEL: funcG:
+; CHECK:       # %bb.0: # %entry
+; CHECK-NEXT:    vpermilps {{.*#+}} xmm0 = xmm0[0,0,0,0]
+; CHECK-NEXT:    vinsertf128 $1, %xmm0, %ymm0, %ymm0
+; CHECK-NEXT:    retq
+entry:
+  %shuffle = shufflevector <8 x float> %a, <8 x float> undef, <8 x i32> <i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0>
+  ret <8 x float> %shuffle
+}
+
+define <8 x float> @funcH(<8 x float> %a) nounwind uwtable readnone ssp {
+; CHECK-LABEL: funcH:
+; CHECK:       # %bb.0: # %entry
+; CHECK-NEXT:    vpermilps {{.*#+}} ymm0 = ymm0[1,1,1,1,5,5,5,5]
+; CHECK-NEXT:    vperm2f128 {{.*#+}} ymm0 = ymm0[2,3,2,3]
+; CHECK-NEXT:    retq
+entry:
+  %shuffle = shufflevector <8 x float> %a, <8 x float> undef, <8 x i32> <i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5>
+  ret <8 x float> %shuffle
+}
+
+define <2 x double> @splat_load_2f64_11(<2 x double>* %ptr) {
+; CHECK-LABEL: splat_load_2f64_11:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vmovddup {{.*#+}} xmm0 = mem[0,0]
+; CHECK-NEXT:    retq
+  %x = load <2 x double>, <2 x double>* %ptr
+  %x1 = shufflevector <2 x double> %x, <2 x double> undef, <2 x i32> <i32 1, i32 1>
+  ret <2 x double> %x1
+}
+
+define <4 x double> @splat_load_4f64_2222(<4 x double>* %ptr) {
+; CHECK-LABEL: splat_load_4f64_2222:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vbroadcastsd 16(%rdi), %ymm0
+; CHECK-NEXT:    retq
+  %x = load <4 x double>, <4 x double>* %ptr
+  %x1 = shufflevector <4 x double> %x, <4 x double> undef, <4 x i32> <i32 2, i32 2, i32 2, i32 2>
+  ret <4 x double> %x1
+}
+
+define <4 x float> @splat_load_4f32_0000(<4 x float>* %ptr) {
+; CHECK-LABEL: splat_load_4f32_0000:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vbroadcastss (%rdi), %xmm0
+; CHECK-NEXT:    retq
+  %x = load <4 x float>, <4 x float>* %ptr
+  %x1 = shufflevector <4 x float> %x, <4 x float> undef, <4 x i32> <i32 0, i32 0, i32 0, i32 0>
+  ret <4 x float> %x1
+}
+
+define <8 x float> @splat_load_8f32_77777777(<8 x float>* %ptr) {
+; CHECK-LABEL: splat_load_8f32_77777777:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vbroadcastss 28(%rdi), %ymm0
+; CHECK-NEXT:    retq
+  %x = load <8 x float>, <8 x float>* %ptr
+  %x1 = shufflevector <8 x float> %x, <8 x float> undef, <8 x i32> <i32 7, i32 7, i32 7, i32 7, i32 7, i32 7, i32 7, i32 7>
+  ret <8 x float> %x1
+}