[X86] Add broadcast load unfolding tests for FMA instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@371322 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/avx512-broadcast-unfold.ll b/test/CodeGen/X86/avx512-broadcast-unfold.ll
index 327941f7f81eb56d8b29e2aea4ea612fcd52a91c..9ff33099ad6c162825006ef8314332907ff32717 100644 (file)
--- a/test/CodeGen/X86/avx512-broadcast-unfold.ll
+++ b/test/CodeGen/X86/avx512-broadcast-unfold.ll
@@ -1646,3 +1646,421 @@ bb1:                                              ; preds = %bb1, %bb
 bb9:                                              ; preds = %bb1
   ret void
 }
+
+define void @bcast_unfold_fma213_v4f32(float* %arg) {
+; CHECK-LABEL: bcast_unfold_fma213_v4f32:
+; CHECK:       # %bb.0: # %bb
+; CHECK-NEXT:    movq $-4096, %rax # imm = 0xF000
+; CHECK-NEXT:    .p2align 4, 0x90
+; CHECK-NEXT:  .LBB48_1: # %bb2
+; CHECK-NEXT:    # =>This Inner Loop Header: Depth=1
+; CHECK-NEXT:    vmovups 4096(%rdi,%rax), %xmm0
+; CHECK-NEXT:    vfmadd213ps {{.*#+}} xmm0 = (xmm0 * xmm0) + mem
+; CHECK-NEXT:    vmovups %xmm0, 4096(%rdi,%rax)
+; CHECK-NEXT:    addq $16, %rax
+; CHECK-NEXT:    jne .LBB48_1
+; CHECK-NEXT:  # %bb.2: # %bb11
+; CHECK-NEXT:    retq
+bb:
+  br label %bb2
+
+bb2:                                              ; preds = %bb2, %bb
+  %tmp = phi i64 [ 0, %bb ], [ %tmp9, %bb2 ]
+  %tmp3 = getelementptr inbounds float, float* %arg, i64 %tmp
+  %tmp4 = bitcast float* %tmp3 to <4 x float>*
+  %tmp5 = load <4 x float>, <4 x float>* %tmp4, align 4
+  %tmp6 = fmul contract <4 x float> %tmp5, %tmp5
+  %tmp7 = fadd contract <4 x float> %tmp6, <float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00>
+  %tmp8 = bitcast float* %tmp3 to <4 x float>*
+  store <4 x float> %tmp7, <4 x float>* %tmp8, align 4
+  %tmp9 = add i64 %tmp, 4
+  %tmp10 = icmp eq i64 %tmp9, 1024
+  br i1 %tmp10, label %bb11, label %bb2
+
+bb11:                                             ; preds = %bb2
+  ret void
+}
+
+define void @bcast_unfold_fma231_v4f32(float* %arg) {
+; CHECK-LABEL: bcast_unfold_fma231_v4f32:
+; CHECK:       # %bb.0: # %bb
+; CHECK-NEXT:    movq $-4096, %rax # imm = 0xF000
+; CHECK-NEXT:    .p2align 4, 0x90
+; CHECK-NEXT:  .LBB49_1: # %bb1
+; CHECK-NEXT:    # =>This Inner Loop Header: Depth=1
+; CHECK-NEXT:    vmovups 4096(%rdi,%rax), %xmm0
+; CHECK-NEXT:    vfmadd231ps {{.*#+}} xmm0 = (xmm0 * mem) + xmm0
+; CHECK-NEXT:    vmovups %xmm0, 4096(%rdi,%rax)
+; CHECK-NEXT:    addq $16, %rax
+; CHECK-NEXT:    jne .LBB49_1
+; CHECK-NEXT:  # %bb.2: # %bb10
+; CHECK-NEXT:    retq
+bb:
+  br label %bb1
+
+bb1:                                              ; preds = %bb1, %bb
+  %tmp = phi i64 [ 0, %bb ], [ %tmp8, %bb1 ]
+  %tmp2 = getelementptr inbounds float, float* %arg, i64 %tmp
+  %tmp3 = bitcast float* %tmp2 to <4 x float>*
+  %tmp4 = load <4 x float>, <4 x float>* %tmp3, align 4
+  %tmp5 = fmul contract <4 x float> %tmp4, <float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00>
+  %tmp6 = fadd contract <4 x float> %tmp4, %tmp5
+  %tmp7 = bitcast float* %tmp2 to <4 x float>*
+  store <4 x float> %tmp6, <4 x float>* %tmp7, align 4
+  %tmp8 = add i64 %tmp, 4
+  %tmp9 = icmp eq i64 %tmp8, 1024
+  br i1 %tmp9, label %bb10, label %bb1
+
+bb10:                                             ; preds = %bb1
+  ret void
+}
+
+define void @bcast_unfold_fma213_v8f32(float* %arg) {
+; CHECK-LABEL: bcast_unfold_fma213_v8f32:
+; CHECK:       # %bb.0: # %bb
+; CHECK-NEXT:    movq $-4096, %rax # imm = 0xF000
+; CHECK-NEXT:    .p2align 4, 0x90
+; CHECK-NEXT:  .LBB50_1: # %bb2
+; CHECK-NEXT:    # =>This Inner Loop Header: Depth=1
+; CHECK-NEXT:    vmovups 4096(%rdi,%rax), %ymm0
+; CHECK-NEXT:    vfmadd213ps {{.*#+}} ymm0 = (ymm0 * ymm0) + mem
+; CHECK-NEXT:    vmovups %ymm0, 4096(%rdi,%rax)
+; CHECK-NEXT:    addq $32, %rax
+; CHECK-NEXT:    jne .LBB50_1
+; CHECK-NEXT:  # %bb.2: # %bb11
+; CHECK-NEXT:    vzeroupper
+; CHECK-NEXT:    retq
+bb:
+  br label %bb2
+
+bb2:                                              ; preds = %bb2, %bb
+  %tmp = phi i64 [ 0, %bb ], [ %tmp9, %bb2 ]
+  %tmp3 = getelementptr inbounds float, float* %arg, i64 %tmp
+  %tmp4 = bitcast float* %tmp3 to <8 x float>*
+  %tmp5 = load <8 x float>, <8 x float>* %tmp4, align 4
+  %tmp6 = fmul contract <8 x float> %tmp5, %tmp5
+  %tmp7 = fadd contract <8 x float> %tmp6, <float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00>
+  %tmp8 = bitcast float* %tmp3 to <8 x float>*
+  store <8 x float> %tmp7, <8 x float>* %tmp8, align 4
+  %tmp9 = add i64 %tmp, 8
+  %tmp10 = icmp eq i64 %tmp9, 1024
+  br i1 %tmp10, label %bb11, label %bb2
+
+bb11:                                             ; preds = %bb2
+  ret void
+}
+
+define void @bcast_unfold_fma231_v8f32(float* %arg) {
+; CHECK-LABEL: bcast_unfold_fma231_v8f32:
+; CHECK:       # %bb.0: # %bb
+; CHECK-NEXT:    movq $-4096, %rax # imm = 0xF000
+; CHECK-NEXT:    .p2align 4, 0x90
+; CHECK-NEXT:  .LBB51_1: # %bb1
+; CHECK-NEXT:    # =>This Inner Loop Header: Depth=1
+; CHECK-NEXT:    vmovups 4096(%rdi,%rax), %ymm0
+; CHECK-NEXT:    vfmadd231ps {{.*#+}} ymm0 = (ymm0 * mem) + ymm0
+; CHECK-NEXT:    vmovups %ymm0, 4096(%rdi,%rax)
+; CHECK-NEXT:    addq $32, %rax
+; CHECK-NEXT:    jne .LBB51_1
+; CHECK-NEXT:  # %bb.2: # %bb10
+; CHECK-NEXT:    vzeroupper
+; CHECK-NEXT:    retq
+bb:
+  br label %bb1
+
+bb1:                                              ; preds = %bb1, %bb
+  %tmp = phi i64 [ 0, %bb ], [ %tmp8, %bb1 ]
+  %tmp2 = getelementptr inbounds float, float* %arg, i64 %tmp
+  %tmp3 = bitcast float* %tmp2 to <8 x float>*
+  %tmp4 = load <8 x float>, <8 x float>* %tmp3, align 4
+  %tmp5 = fmul contract <8 x float> %tmp4, <float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00>
+  %tmp6 = fadd contract <8 x float> %tmp4, %tmp5
+  %tmp7 = bitcast float* %tmp2 to <8 x float>*
+  store <8 x float> %tmp6, <8 x float>* %tmp7, align 4
+  %tmp8 = add i64 %tmp, 8
+  %tmp9 = icmp eq i64 %tmp8, 1024
+  br i1 %tmp9, label %bb10, label %bb1
+
+bb10:                                             ; preds = %bb1
+  ret void
+}
+
+define void @bcast_unfold_fma213_v16f32(float* %arg) {
+; CHECK-LABEL: bcast_unfold_fma213_v16f32:
+; CHECK:       # %bb.0: # %bb
+; CHECK-NEXT:    movq $-4096, %rax # imm = 0xF000
+; CHECK-NEXT:    .p2align 4, 0x90
+; CHECK-NEXT:  .LBB52_1: # %bb2
+; CHECK-NEXT:    # =>This Inner Loop Header: Depth=1
+; CHECK-NEXT:    vmovups 4096(%rdi,%rax), %zmm0
+; CHECK-NEXT:    vfmadd213ps {{.*#+}} zmm0 = (zmm0 * zmm0) + mem
+; CHECK-NEXT:    vmovups %zmm0, 4096(%rdi,%rax)
+; CHECK-NEXT:    addq $64, %rax
+; CHECK-NEXT:    jne .LBB52_1
+; CHECK-NEXT:  # %bb.2: # %bb11
+; CHECK-NEXT:    vzeroupper
+; CHECK-NEXT:    retq
+bb:
+  br label %bb2
+
+bb2:                                              ; preds = %bb2, %bb
+  %tmp = phi i64 [ 0, %bb ], [ %tmp9, %bb2 ]
+  %tmp3 = getelementptr inbounds float, float* %arg, i64 %tmp
+  %tmp4 = bitcast float* %tmp3 to <16 x float>*
+  %tmp5 = load <16 x float>, <16 x float>* %tmp4, align 4
+  %tmp6 = fmul contract <16 x float> %tmp5, %tmp5
+  %tmp7 = fadd contract <16 x float> %tmp6, <float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00>
+  %tmp8 = bitcast float* %tmp3 to <16 x float>*
+  store <16 x float> %tmp7, <16 x float>* %tmp8, align 4
+  %tmp9 = add i64 %tmp, 16
+  %tmp10 = icmp eq i64 %tmp9, 1024
+  br i1 %tmp10, label %bb11, label %bb2
+
+bb11:                                             ; preds = %bb2
+  ret void
+}
+
+define void @bcast_unfold_fma231_v16f32(float* %arg) {
+; CHECK-LABEL: bcast_unfold_fma231_v16f32:
+; CHECK:       # %bb.0: # %bb
+; CHECK-NEXT:    movq $-4096, %rax # imm = 0xF000
+; CHECK-NEXT:    .p2align 4, 0x90
+; CHECK-NEXT:  .LBB53_1: # %bb1
+; CHECK-NEXT:    # =>This Inner Loop Header: Depth=1
+; CHECK-NEXT:    vmovups 4096(%rdi,%rax), %zmm0
+; CHECK-NEXT:    vfmadd231ps {{.*#+}} zmm0 = (zmm0 * mem) + zmm0
+; CHECK-NEXT:    vmovups %zmm0, 4096(%rdi,%rax)
+; CHECK-NEXT:    addq $64, %rax
+; CHECK-NEXT:    jne .LBB53_1
+; CHECK-NEXT:  # %bb.2: # %bb10
+; CHECK-NEXT:    vzeroupper
+; CHECK-NEXT:    retq
+bb:
+  br label %bb1
+
+bb1:                                              ; preds = %bb1, %bb
+  %tmp = phi i64 [ 0, %bb ], [ %tmp8, %bb1 ]
+  %tmp2 = getelementptr inbounds float, float* %arg, i64 %tmp
+  %tmp3 = bitcast float* %tmp2 to <16 x float>*
+  %tmp4 = load <16 x float>, <16 x float>* %tmp3, align 4
+  %tmp5 = fmul contract <16 x float> %tmp4, <float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00>
+  %tmp6 = fadd contract <16 x float> %tmp4, %tmp5
+  %tmp7 = bitcast float* %tmp2 to <16 x float>*
+  store <16 x float> %tmp6, <16 x float>* %tmp7, align 4
+  %tmp8 = add i64 %tmp, 16
+  %tmp9 = icmp eq i64 %tmp8, 1024
+  br i1 %tmp9, label %bb10, label %bb1
+
+bb10:                                             ; preds = %bb1
+  ret void
+}
+
+define void @bcast_unfold_fma213_v2f64(double* %arg) {
+; CHECK-LABEL: bcast_unfold_fma213_v2f64:
+; CHECK:       # %bb.0: # %bb
+; CHECK-NEXT:    movq $-8192, %rax # imm = 0xE000
+; CHECK-NEXT:    vmovapd {{.*#+}} xmm0 = [2.0E+0,2.0E+0]
+; CHECK-NEXT:    .p2align 4, 0x90
+; CHECK-NEXT:  .LBB54_1: # %bb2
+; CHECK-NEXT:    # =>This Inner Loop Header: Depth=1
+; CHECK-NEXT:    vmovupd 8192(%rdi,%rax), %xmm1
+; CHECK-NEXT:    vfmadd213pd {{.*#+}} xmm1 = (xmm1 * xmm1) + xmm0
+; CHECK-NEXT:    vmovupd %xmm1, 8192(%rdi,%rax)
+; CHECK-NEXT:    addq $16, %rax
+; CHECK-NEXT:    jne .LBB54_1
+; CHECK-NEXT:  # %bb.2: # %bb11
+; CHECK-NEXT:    retq
+bb:
+  br label %bb2
+
+bb2:                                              ; preds = %bb2, %bb
+  %tmp = phi i64 [ 0, %bb ], [ %tmp9, %bb2 ]
+  %tmp3 = getelementptr inbounds double, double* %arg, i64 %tmp
+  %tmp4 = bitcast double* %tmp3 to <2 x double>*
+  %tmp5 = load <2 x double>, <2 x double>* %tmp4, align 4
+  %tmp6 = fmul contract <2 x double> %tmp5, %tmp5
+  %tmp7 = fadd contract <2 x double> %tmp6, <double 2.000000e+00, double 2.000000e+00>
+  %tmp8 = bitcast double* %tmp3 to <2 x double>*
+  store <2 x double> %tmp7, <2 x double>* %tmp8, align 8
+  %tmp9 = add i64 %tmp, 2
+  %tmp10 = icmp eq i64 %tmp9, 1024
+  br i1 %tmp10, label %bb11, label %bb2
+
+bb11:                                             ; preds = %bb2
+  ret void
+}
+
+define void @bcast_unfold_fma231_v2f64(double* %arg) {
+; CHECK-LABEL: bcast_unfold_fma231_v2f64:
+; CHECK:       # %bb.0: # %bb
+; CHECK-NEXT:    movq $-8192, %rax # imm = 0xE000
+; CHECK-NEXT:    vmovapd {{.*#+}} xmm0 = [2.0E+0,2.0E+0]
+; CHECK-NEXT:    .p2align 4, 0x90
+; CHECK-NEXT:  .LBB55_1: # %bb1
+; CHECK-NEXT:    # =>This Inner Loop Header: Depth=1
+; CHECK-NEXT:    vmovupd 8192(%rdi,%rax), %xmm1
+; CHECK-NEXT:    vfmadd231pd {{.*#+}} xmm1 = (xmm1 * xmm0) + xmm1
+; CHECK-NEXT:    vmovupd %xmm1, 8192(%rdi,%rax)
+; CHECK-NEXT:    addq $16, %rax
+; CHECK-NEXT:    jne .LBB55_1
+; CHECK-NEXT:  # %bb.2: # %bb10
+; CHECK-NEXT:    retq
+bb:
+  br label %bb1
+
+bb1:                                              ; preds = %bb1, %bb
+  %tmp = phi i64 [ 0, %bb ], [ %tmp8, %bb1 ]
+  %tmp2 = getelementptr inbounds double, double* %arg, i64 %tmp
+  %tmp3 = bitcast double* %tmp2 to <2 x double>*
+  %tmp4 = load <2 x double>, <2 x double>* %tmp3, align 8
+  %tmp5 = fmul contract <2 x double> %tmp4, <double 2.000000e+00, double 2.000000e+00>
+  %tmp6 = fadd contract <2 x double> %tmp4, %tmp5
+  %tmp7 = bitcast double* %tmp2 to <2 x double>*
+  store <2 x double> %tmp6, <2 x double>* %tmp7, align 8
+  %tmp8 = add i64 %tmp, 2
+  %tmp9 = icmp eq i64 %tmp8, 1024
+  br i1 %tmp9, label %bb10, label %bb1
+
+bb10:                                             ; preds = %bb1
+  ret void
+}
+
+define void @bcast_unfold_fma213_v4f64(double* %arg) {
+; CHECK-LABEL: bcast_unfold_fma213_v4f64:
+; CHECK:       # %bb.0: # %bb
+; CHECK-NEXT:    movq $-8192, %rax # imm = 0xE000
+; CHECK-NEXT:    .p2align 4, 0x90
+; CHECK-NEXT:  .LBB56_1: # %bb2
+; CHECK-NEXT:    # =>This Inner Loop Header: Depth=1
+; CHECK-NEXT:    vmovupd 8192(%rdi,%rax), %ymm0
+; CHECK-NEXT:    vfmadd213pd {{.*#+}} ymm0 = (ymm0 * ymm0) + mem
+; CHECK-NEXT:    vmovupd %ymm0, 8192(%rdi,%rax)
+; CHECK-NEXT:    addq $32, %rax
+; CHECK-NEXT:    jne .LBB56_1
+; CHECK-NEXT:  # %bb.2: # %bb11
+; CHECK-NEXT:    vzeroupper
+; CHECK-NEXT:    retq
+bb:
+  br label %bb2
+
+bb2:                                              ; preds = %bb2, %bb
+  %tmp = phi i64 [ 0, %bb ], [ %tmp9, %bb2 ]
+  %tmp3 = getelementptr inbounds double, double* %arg, i64 %tmp
+  %tmp4 = bitcast double* %tmp3 to <4 x double>*
+  %tmp5 = load <4 x double>, <4 x double>* %tmp4, align 8
+  %tmp6 = fmul contract <4 x double> %tmp5, %tmp5
+  %tmp7 = fadd contract <4 x double> %tmp6, <double 2.000000e+00, double 2.000000e+00, double 2.000000e+00, double 2.000000e+00>
+  %tmp8 = bitcast double* %tmp3 to <4 x double>*
+  store <4 x double> %tmp7, <4 x double>* %tmp8, align 8
+  %tmp9 = add i64 %tmp, 4
+  %tmp10 = icmp eq i64 %tmp9, 1024
+  br i1 %tmp10, label %bb11, label %bb2
+
+bb11:                                             ; preds = %bb2
+  ret void
+}
+
+define void @bcast_unfold_fma231_v4f64(double* %arg) {
+; CHECK-LABEL: bcast_unfold_fma231_v4f64:
+; CHECK:       # %bb.0: # %bb
+; CHECK-NEXT:    movq $-8192, %rax # imm = 0xE000
+; CHECK-NEXT:    .p2align 4, 0x90
+; CHECK-NEXT:  .LBB57_1: # %bb1
+; CHECK-NEXT:    # =>This Inner Loop Header: Depth=1
+; CHECK-NEXT:    vmovupd 8192(%rdi,%rax), %ymm0
+; CHECK-NEXT:    vfmadd231pd {{.*#+}} ymm0 = (ymm0 * mem) + ymm0
+; CHECK-NEXT:    vmovupd %ymm0, 8192(%rdi,%rax)
+; CHECK-NEXT:    addq $32, %rax
+; CHECK-NEXT:    jne .LBB57_1
+; CHECK-NEXT:  # %bb.2: # %bb10
+; CHECK-NEXT:    vzeroupper
+; CHECK-NEXT:    retq
+bb:
+  br label %bb1
+
+bb1:                                              ; preds = %bb1, %bb
+  %tmp = phi i64 [ 0, %bb ], [ %tmp8, %bb1 ]
+  %tmp2 = getelementptr inbounds double, double* %arg, i64 %tmp
+  %tmp3 = bitcast double* %tmp2 to <4 x double>*
+  %tmp4 = load <4 x double>, <4 x double>* %tmp3, align 8
+  %tmp5 = fmul contract <4 x double> %tmp4, <double 2.000000e+00, double 2.000000e+00, double 2.000000e+00, double 2.000000e+00>
+  %tmp6 = fadd contract <4 x double> %tmp4, %tmp5
+  %tmp7 = bitcast double* %tmp2 to <4 x double>*
+  store <4 x double> %tmp6, <4 x double>* %tmp7, align 8
+  %tmp8 = add i64 %tmp, 4
+  %tmp9 = icmp eq i64 %tmp8, 1024
+  br i1 %tmp9, label %bb10, label %bb1
+
+bb10:                                             ; preds = %bb1
+  ret void
+}
+
+define void @bcast_unfold_fma213_v8f64(double* %arg) {
+; CHECK-LABEL: bcast_unfold_fma213_v8f64:
+; CHECK:       # %bb.0: # %bb
+; CHECK-NEXT:    movq $-8192, %rax # imm = 0xE000
+; CHECK-NEXT:    .p2align 4, 0x90
+; CHECK-NEXT:  .LBB58_1: # %bb2
+; CHECK-NEXT:    # =>This Inner Loop Header: Depth=1
+; CHECK-NEXT:    vmovupd 8192(%rdi,%rax), %zmm0
+; CHECK-NEXT:    vfmadd213pd {{.*#+}} zmm0 = (zmm0 * zmm0) + mem
+; CHECK-NEXT:    vmovupd %zmm0, 8192(%rdi,%rax)
+; CHECK-NEXT:    addq $64, %rax
+; CHECK-NEXT:    jne .LBB58_1
+; CHECK-NEXT:  # %bb.2: # %bb11
+; CHECK-NEXT:    vzeroupper
+; CHECK-NEXT:    retq
+bb:
+  br label %bb2
+
+bb2:                                              ; preds = %bb2, %bb
+  %tmp = phi i64 [ 0, %bb ], [ %tmp9, %bb2 ]
+  %tmp3 = getelementptr inbounds double, double* %arg, i64 %tmp
+  %tmp4 = bitcast double* %tmp3 to <8 x double>*
+  %tmp5 = load <8 x double>, <8 x double>* %tmp4, align 8
+  %tmp6 = fmul contract <8 x double> %tmp5, %tmp5
+  %tmp7 = fadd contract <8 x double> %tmp6, <double 2.000000e+00, double 2.000000e+00, double 2.000000e+00, double 2.000000e+00, double 2.000000e+00, double 2.000000e+00, double 2.000000e+00, double 2.000000e+00>
+  %tmp8 = bitcast double* %tmp3 to <8 x double>*
+  store <8 x double> %tmp7, <8 x double>* %tmp8, align 8
+  %tmp9 = add i64 %tmp, 8
+  %tmp10 = icmp eq i64 %tmp9, 1024
+  br i1 %tmp10, label %bb11, label %bb2
+
+bb11:                                             ; preds = %bb2
+  ret void
+}
+
+define void @bcast_unfold_fma231_v8f64(double* %arg) {
+; CHECK-LABEL: bcast_unfold_fma231_v8f64:
+; CHECK:       # %bb.0: # %bb
+; CHECK-NEXT:    movq $-8192, %rax # imm = 0xE000
+; CHECK-NEXT:    .p2align 4, 0x90
+; CHECK-NEXT:  .LBB59_1: # %bb1
+; CHECK-NEXT:    # =>This Inner Loop Header: Depth=1
+; CHECK-NEXT:    vmovupd 8192(%rdi,%rax), %zmm0
+; CHECK-NEXT:    vfmadd231pd {{.*#+}} zmm0 = (zmm0 * mem) + zmm0
+; CHECK-NEXT:    vmovupd %zmm0, 8192(%rdi,%rax)
+; CHECK-NEXT:    addq $64, %rax
+; CHECK-NEXT:    jne .LBB59_1
+; CHECK-NEXT:  # %bb.2: # %bb10
+; CHECK-NEXT:    vzeroupper
+; CHECK-NEXT:    retq
+bb:
+  br label %bb1
+
+bb1:                                              ; preds = %bb1, %bb
+  %tmp = phi i64 [ 0, %bb ], [ %tmp8, %bb1 ]
+  %tmp2 = getelementptr inbounds double, double* %arg, i64 %tmp
+  %tmp3 = bitcast double* %tmp2 to <8 x double>*
+  %tmp4 = load <8 x double>, <8 x double>* %tmp3, align 8
+  %tmp5 = fmul contract <8 x double> %tmp4, <double 2.000000e+00, double 2.000000e+00, double 2.000000e+00, double 2.000000e+00, double 2.000000e+00, double 2.000000e+00, double 2.000000e+00, double 2.000000e+00>
+  %tmp6 = fadd contract <8 x double> %tmp4, %tmp5
+  %tmp7 = bitcast double* %tmp2 to <8 x double>*
+  store <8 x double> %tmp6, <8 x double>* %tmp7, align 8
+  %tmp8 = add i64 %tmp, 8
+  %tmp9 = icmp eq i64 %tmp8, 1024
+  br i1 %tmp9, label %bb10, label %bb1
+
+bb10:                                             ; preds = %bb1
+  ret void
+}