From 1cfb796b5882a62ae954f2b68e5770a5a485c853 Mon Sep 17 00:00:00 2001
From: Sanjay Patel <spatel@rotateright.com>
Date: Fri, 30 Nov 2018 16:50:08 +0000
Subject: [PATCH] [x86] add tests for fake vector FP ops; NFC

llvm-svn: 348002
---
 llvm/test/CodeGen/X86/scalarize-fp.ll | 393 ++++++++++++++++++++++++++
 1 file changed, 393 insertions(+)
 create mode 100644 llvm/test/CodeGen/X86/scalarize-fp.ll

diff --git a/llvm/test/CodeGen/X86/scalarize-fp.ll b/llvm/test/CodeGen/X86/scalarize-fp.ll
new file mode 100644
index 000000000000..1b35e81f6b3f
--- /dev/null
+++ b/llvm/test/CodeGen/X86/scalarize-fp.ll
@@ -0,0 +1,393 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=x86_64-- -mattr=+sse2 | FileCheck %s --check-prefixes=ALL,SSE
+; RUN: llc < %s -mtriple=x86_64-- -mattr=+avx  | FileCheck %s --check-prefixes=ALL,AVX
+
+define <4 x float> @fadd_op1_constant_v4f32(float %x) nounwind {
+; SSE-LABEL: fadd_op1_constant_v4f32:
+; SSE:       # %bb.0:
+; SSE-NEXT:    movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
+; SSE-NEXT:    addps %xmm1, %xmm0
+; SSE-NEXT:    retq
+;
+; AVX-LABEL: fadd_op1_constant_v4f32:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vmovss {{.*#+}} xmm1 = mem[0],zero,zero,zero
+; AVX-NEXT:    vaddps %xmm1, %xmm0, %xmm0
+; AVX-NEXT:    retq
+  %v = insertelement <4 x float> undef, float %x, i32 0
+  %b = fadd <4 x float> %v, <float 42.0, float undef, float undef, float undef>
+  ret <4 x float> %b
+}
+
+define <4 x float> @load_fadd_op1_constant_v4f32(float* %p) nounwind {
+; SSE-LABEL: load_fadd_op1_constant_v4f32:
+; SSE:       # %bb.0:
+; SSE-NEXT:    movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
+; SSE-NEXT:    movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
+; SSE-NEXT:    addps %xmm1, %xmm0
+; SSE-NEXT:    retq
+;
+; AVX-LABEL: load_fadd_op1_constant_v4f32:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero
+; AVX-NEXT:    vmovss {{.*#+}} xmm1 = mem[0],zero,zero,zero
+; AVX-NEXT:    vaddps %xmm1, %xmm0, %xmm0
+; AVX-NEXT:    retq
+  %x = load float, float* %p
+  %v = insertelement <4 x float> undef, float %x, i32 0
+  %b = fadd <4 x float> %v, <float 42.0, float undef, float undef, float undef>
+  ret <4 x float> %b
+}
+
+define <4 x float> @fsub_op0_constant_v4f32(float %x) nounwind {
+; SSE-LABEL: fsub_op0_constant_v4f32:
+; SSE:       # %bb.0:
+; SSE-NEXT:    movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
+; SSE-NEXT:    subps %xmm0, %xmm1
+; SSE-NEXT:    movaps %xmm1, %xmm0
+; SSE-NEXT:    retq
+;
+; AVX-LABEL: fsub_op0_constant_v4f32:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vmovss {{.*#+}} xmm1 = mem[0],zero,zero,zero
+; AVX-NEXT:    vsubps %xmm0, %xmm1, %xmm0
+; AVX-NEXT:    retq
+  %v = insertelement <4 x float> undef, float %x, i32 0
+  %b = fsub <4 x float> <float 42.0, float undef, float undef, float undef>, %v
+  ret <4 x float> %b
+}
+
+define <4 x float> @load_fsub_op0_constant_v4f32(float* %p) nounwind {
+; SSE-LABEL: load_fsub_op0_constant_v4f32:
+; SSE:       # %bb.0:
+; SSE-NEXT:    movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
+; SSE-NEXT:    movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
+; SSE-NEXT:    subps %xmm1, %xmm0
+; SSE-NEXT:    retq
+;
+; AVX-LABEL: load_fsub_op0_constant_v4f32:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero
+; AVX-NEXT:    vmovss {{.*#+}} xmm1 = mem[0],zero,zero,zero
+; AVX-NEXT:    vsubps %xmm0, %xmm1, %xmm0
+; AVX-NEXT:    retq
+  %x = load float, float* %p
+  %v = insertelement <4 x float> undef, float %x, i32 0
+  %b = fsub <4 x float> <float 42.0, float undef, float undef, float undef>, %v
+  ret <4 x float> %b
+}
+
+define <4 x float> @fmul_op1_constant_v4f32(float %x) nounwind {
+; SSE-LABEL: fmul_op1_constant_v4f32:
+; SSE:       # %bb.0:
+; SSE-NEXT:    movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
+; SSE-NEXT:    mulps %xmm1, %xmm0
+; SSE-NEXT:    retq
+;
+; AVX-LABEL: fmul_op1_constant_v4f32:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vmovss {{.*#+}} xmm1 = mem[0],zero,zero,zero
+; AVX-NEXT:    vmulps %xmm1, %xmm0, %xmm0
+; AVX-NEXT:    retq
+  %v = insertelement <4 x float> undef, float %x, i32 0
+  %b = fmul <4 x float> %v, <float 42.0, float undef, float undef, float undef>
+  ret <4 x float> %b
+}
+
+define <4 x float> @load_fmul_op1_constant_v4f32(float* %p) nounwind {
+; SSE-LABEL: load_fmul_op1_constant_v4f32:
+; SSE:       # %bb.0:
+; SSE-NEXT:    movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
+; SSE-NEXT:    movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
+; SSE-NEXT:    mulps %xmm1, %xmm0
+; SSE-NEXT:    retq
+;
+; AVX-LABEL: load_fmul_op1_constant_v4f32:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero
+; AVX-NEXT:    vmovss {{.*#+}} xmm1 = mem[0],zero,zero,zero
+; AVX-NEXT:    vmulps %xmm1, %xmm0, %xmm0
+; AVX-NEXT:    retq
+  %x = load float, float* %p
+  %v = insertelement <4 x float> undef, float %x, i32 0
+  %b = fmul <4 x float> %v, <float 42.0, float undef, float undef, float undef>
+  ret <4 x float> %b
+}
+
+define <4 x float> @fdiv_op1_constant_v4f32(float %x) nounwind {
+; SSE-LABEL: fdiv_op1_constant_v4f32:
+; SSE:       # %bb.0:
+; SSE-NEXT:    movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
+; SSE-NEXT:    divps %xmm1, %xmm0
+; SSE-NEXT:    retq
+;
+; AVX-LABEL: fdiv_op1_constant_v4f32:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vmovss {{.*#+}} xmm1 = mem[0],zero,zero,zero
+; AVX-NEXT:    vdivps %xmm1, %xmm0, %xmm0
+; AVX-NEXT:    retq
+  %v = insertelement <4 x float> undef, float %x, i32 0
+  %b = fdiv <4 x float> %v, <float 42.0, float undef, float undef, float undef>
+  ret <4 x float> %b
+}
+
+define <4 x float> @load_fdiv_op1_constant_v4f32(float* %p) nounwind {
+; SSE-LABEL: load_fdiv_op1_constant_v4f32:
+; SSE:       # %bb.0:
+; SSE-NEXT:    movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
+; SSE-NEXT:    movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
+; SSE-NEXT:    divps %xmm1, %xmm0
+; SSE-NEXT:    retq
+;
+; AVX-LABEL: load_fdiv_op1_constant_v4f32:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero
+; AVX-NEXT:    vmovss {{.*#+}} xmm1 = mem[0],zero,zero,zero
+; AVX-NEXT:    vdivps %xmm1, %xmm0, %xmm0
+; AVX-NEXT:    retq
+  %x = load float, float* %p
+  %v = insertelement <4 x float> undef, float %x, i32 0
+  %b = fdiv <4 x float> %v, <float 42.0, float undef, float undef, float undef>
+  ret <4 x float> %b
+}
+
+define <4 x float> @fdiv_op0_constant_v4f32(float %x) nounwind {
+; SSE-LABEL: fdiv_op0_constant_v4f32:
+; SSE:       # %bb.0:
+; SSE-NEXT:    movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
+; SSE-NEXT:    divps %xmm0, %xmm1
+; SSE-NEXT:    movaps %xmm1, %xmm0
+; SSE-NEXT:    retq
+;
+; AVX-LABEL: fdiv_op0_constant_v4f32:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vmovss {{.*#+}} xmm1 = mem[0],zero,zero,zero
+; AVX-NEXT:    vdivps %xmm0, %xmm1, %xmm0
+; AVX-NEXT:    retq
+  %v = insertelement <4 x float> undef, float %x, i32 0
+  %b = fdiv <4 x float> <float 42.0, float undef, float undef, float undef>, %v
+  ret <4 x float> %b
+}
+
+define <4 x float> @load_fdiv_op0_constant_v4f32(float* %p) nounwind {
+; SSE-LABEL: load_fdiv_op0_constant_v4f32:
+; SSE:       # %bb.0:
+; SSE-NEXT:    movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
+; SSE-NEXT:    movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
+; SSE-NEXT:    divps %xmm1, %xmm0
+; SSE-NEXT:    retq
+;
+; AVX-LABEL: load_fdiv_op0_constant_v4f32:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero
+; AVX-NEXT:    vmovss {{.*#+}} xmm1 = mem[0],zero,zero,zero
+; AVX-NEXT:    vdivps %xmm0, %xmm1, %xmm0
+; AVX-NEXT:    retq
+  %x = load float, float* %p
+  %v = insertelement <4 x float> undef, float %x, i32 0
+  %b = fdiv <4 x float> <float 42.0, float undef, float undef, float undef>, %v
+  ret <4 x float> %b
+}
+
+define <4 x double> @fadd_op1_constant_v4f64(double %x) nounwind {
+; SSE-LABEL: fadd_op1_constant_v4f64:
+; SSE:       # %bb.0:
+; SSE-NEXT:    movsd {{.*#+}} xmm1 = mem[0],zero
+; SSE-NEXT:    addpd %xmm1, %xmm0
+; SSE-NEXT:    movaps {{.*#+}} xmm1 = [NaN,NaN]
+; SSE-NEXT:    retq
+;
+; AVX-LABEL: fadd_op1_constant_v4f64:
+; AVX:       # %bb.0:
+; AVX-NEXT:    # kill: def $xmm0 killed $xmm0 def $ymm0
+; AVX-NEXT:    vmovsd {{.*#+}} xmm1 = mem[0],zero
+; AVX-NEXT:    vaddpd %ymm1, %ymm0, %ymm0
+; AVX-NEXT:    retq
+  %v = insertelement <4 x double> undef, double %x, i32 0
+  %b = fadd <4 x double> %v, <double 42.0, double undef, double undef, double undef>
+  ret <4 x double> %b
+}
+
+define <4 x double> @load_fadd_op1_constant_v4f64(double* %p) nounwind {
+; SSE-LABEL: load_fadd_op1_constant_v4f64:
+; SSE:       # %bb.0:
+; SSE-NEXT:    movsd {{.*#+}} xmm1 = mem[0],zero
+; SSE-NEXT:    movsd {{.*#+}} xmm0 = mem[0],zero
+; SSE-NEXT:    addpd %xmm1, %xmm0
+; SSE-NEXT:    movaps {{.*#+}} xmm1 = [NaN,NaN]
+; SSE-NEXT:    retq
+;
+; AVX-LABEL: load_fadd_op1_constant_v4f64:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vmovsd {{.*#+}} xmm0 = mem[0],zero
+; AVX-NEXT:    vmovsd {{.*#+}} xmm1 = mem[0],zero
+; AVX-NEXT:    vaddpd %ymm1, %ymm0, %ymm0
+; AVX-NEXT:    retq
+  %x = load double, double* %p
+  %v = insertelement <4 x double> undef, double %x, i32 0
+  %b = fadd <4 x double> %v, <double 42.0, double undef, double undef, double undef>
+  ret <4 x double> %b
+}
+
+define <4 x double> @fsub_op0_constant_v4f64(double %x) nounwind {
+; SSE-LABEL: fsub_op0_constant_v4f64:
+; SSE:       # %bb.0:
+; SSE-NEXT:    movsd {{.*#+}} xmm2 = mem[0],zero
+; SSE-NEXT:    subpd %xmm0, %xmm2
+; SSE-NEXT:    movaps {{.*#+}} xmm1 = [NaN,NaN]
+; SSE-NEXT:    movapd %xmm2, %xmm0
+; SSE-NEXT:    retq
+;
+; AVX-LABEL: fsub_op0_constant_v4f64:
+; AVX:       # %bb.0:
+; AVX-NEXT:    # kill: def $xmm0 killed $xmm0 def $ymm0
+; AVX-NEXT:    vmovsd {{.*#+}} xmm1 = mem[0],zero
+; AVX-NEXT:    vsubpd %ymm0, %ymm1, %ymm0
+; AVX-NEXT:    retq
+  %v = insertelement <4 x double> undef, double %x, i32 0
+  %b = fsub <4 x double> <double 42.0, double undef, double undef, double undef>, %v
+  ret <4 x double> %b
+}
+
+define <4 x double> @load_fsub_op0_constant_v4f64(double* %p) nounwind {
+; SSE-LABEL: load_fsub_op0_constant_v4f64:
+; SSE:       # %bb.0:
+; SSE-NEXT:    movsd {{.*#+}} xmm1 = mem[0],zero
+; SSE-NEXT:    movsd {{.*#+}} xmm0 = mem[0],zero
+; SSE-NEXT:    subpd %xmm1, %xmm0
+; SSE-NEXT:    movaps {{.*#+}} xmm1 = [NaN,NaN]
+; SSE-NEXT:    retq
+;
+; AVX-LABEL: load_fsub_op0_constant_v4f64:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vmovsd {{.*#+}} xmm0 = mem[0],zero
+; AVX-NEXT:    vmovsd {{.*#+}} xmm1 = mem[0],zero
+; AVX-NEXT:    vsubpd %ymm0, %ymm1, %ymm0
+; AVX-NEXT:    retq
+  %x = load double, double* %p
+  %v = insertelement <4 x double> undef, double %x, i32 0
+  %b = fsub <4 x double> <double 42.0, double undef, double undef, double undef>, %v
+  ret <4 x double> %b
+}
+
+define <4 x double> @fmul_op1_constant_v4f64(double %x) nounwind {
+; SSE-LABEL: fmul_op1_constant_v4f64:
+; SSE:       # %bb.0:
+; SSE-NEXT:    movsd {{.*#+}} xmm1 = mem[0],zero
+; SSE-NEXT:    mulpd %xmm1, %xmm0
+; SSE-NEXT:    movaps {{.*#+}} xmm1 = [NaN,NaN]
+; SSE-NEXT:    retq
+;
+; AVX-LABEL: fmul_op1_constant_v4f64:
+; AVX:       # %bb.0:
+; AVX-NEXT:    # kill: def $xmm0 killed $xmm0 def $ymm0
+; AVX-NEXT:    vmovsd {{.*#+}} xmm1 = mem[0],zero
+; AVX-NEXT:    vmulpd %ymm1, %ymm0, %ymm0
+; AVX-NEXT:    retq
+  %v = insertelement <4 x double> undef, double %x, i32 0
+  %b = fmul <4 x double> %v, <double 42.0, double undef, double undef, double undef>
+  ret <4 x double> %b
+}
+
+define <4 x double> @load_fmul_op1_constant_v4f64(double* %p) nounwind {
+; SSE-LABEL: load_fmul_op1_constant_v4f64:
+; SSE:       # %bb.0:
+; SSE-NEXT:    movsd {{.*#+}} xmm1 = mem[0],zero
+; SSE-NEXT:    movsd {{.*#+}} xmm0 = mem[0],zero
+; SSE-NEXT:    mulpd %xmm1, %xmm0
+; SSE-NEXT:    movaps {{.*#+}} xmm1 = [NaN,NaN]
+; SSE-NEXT:    retq
+;
+; AVX-LABEL: load_fmul_op1_constant_v4f64:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vmovsd {{.*#+}} xmm0 = mem[0],zero
+; AVX-NEXT:    vmovsd {{.*#+}} xmm1 = mem[0],zero
+; AVX-NEXT:    vmulpd %ymm1, %ymm0, %ymm0
+; AVX-NEXT:    retq
+  %x = load double, double* %p
+  %v = insertelement <4 x double> undef, double %x, i32 0
+  %b = fmul <4 x double> %v, <double 42.0, double undef, double undef, double undef>
+  ret <4 x double> %b
+}
+
+define <4 x double> @fdiv_op1_constant_v4f64(double %x) nounwind {
+; SSE-LABEL: fdiv_op1_constant_v4f64:
+; SSE:       # %bb.0:
+; SSE-NEXT:    movsd {{.*#+}} xmm1 = mem[0],zero
+; SSE-NEXT:    divpd %xmm1, %xmm0
+; SSE-NEXT:    movaps {{.*#+}} xmm1 = [NaN,NaN]
+; SSE-NEXT:    retq
+;
+; AVX-LABEL: fdiv_op1_constant_v4f64:
+; AVX:       # %bb.0:
+; AVX-NEXT:    # kill: def $xmm0 killed $xmm0 def $ymm0
+; AVX-NEXT:    vmovsd {{.*#+}} xmm1 = mem[0],zero
+; AVX-NEXT:    vdivpd %ymm1, %ymm0, %ymm0
+; AVX-NEXT:    retq
+  %v = insertelement <4 x double> undef, double %x, i32 0
+  %b = fdiv <4 x double> %v, <double 42.0, double undef, double undef, double undef>
+  ret <4 x double> %b
+}
+
+define <4 x double> @load_fdiv_op1_constant_v4f64(double* %p) nounwind {
+; SSE-LABEL: load_fdiv_op1_constant_v4f64:
+; SSE:       # %bb.0:
+; SSE-NEXT:    movsd {{.*#+}} xmm0 = mem[0],zero
+; SSE-NEXT:    movsd {{.*#+}} xmm1 = mem[0],zero
+; SSE-NEXT:    divpd %xmm1, %xmm0
+; SSE-NEXT:    movaps {{.*#+}} xmm1 = [NaN,NaN]
+; SSE-NEXT:    retq
+;
+; AVX-LABEL: load_fdiv_op1_constant_v4f64:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vmovsd {{.*#+}} xmm0 = mem[0],zero
+; AVX-NEXT:    vmovsd {{.*#+}} xmm1 = mem[0],zero
+; AVX-NEXT:    vdivpd %ymm1, %ymm0, %ymm0
+; AVX-NEXT:    retq
+  %x = load double, double* %p
+  %v = insertelement <4 x double> undef, double %x, i32 0
+  %b = fdiv <4 x double> %v, <double 42.0, double undef, double undef, double undef>
+  ret <4 x double> %b
+}
+
+define <4 x double> @fdiv_op0_constant_v4f64(double %x) nounwind {
+; SSE-LABEL: fdiv_op0_constant_v4f64:
+; SSE:       # %bb.0:
+; SSE-NEXT:    movsd {{.*#+}} xmm2 = mem[0],zero
+; SSE-NEXT:    divpd %xmm0, %xmm2
+; SSE-NEXT:    movaps {{.*#+}} xmm1 = [NaN,NaN]
+; SSE-NEXT:    movapd %xmm2, %xmm0
+; SSE-NEXT:    retq
+;
+; AVX-LABEL: fdiv_op0_constant_v4f64:
+; AVX:       # %bb.0:
+; AVX-NEXT:    # kill: def $xmm0 killed $xmm0 def $ymm0
+; AVX-NEXT:    vmovsd {{.*#+}} xmm1 = mem[0],zero
+; AVX-NEXT:    vdivpd %ymm0, %ymm1, %ymm0
+; AVX-NEXT:    retq
+  %v = insertelement <4 x double> undef, double %x, i32 0
+  %b = fdiv <4 x double> <double 42.0, double undef, double undef, double undef>, %v
+  ret <4 x double> %b
+}
+
+define <4 x double> @load_fdiv_op0_constant_v4f64(double* %p) nounwind {
+; SSE-LABEL: load_fdiv_op0_constant_v4f64:
+; SSE:       # %bb.0:
+; SSE-NEXT:    movsd {{.*#+}} xmm1 = mem[0],zero
+; SSE-NEXT:    movsd {{.*#+}} xmm0 = mem[0],zero
+; SSE-NEXT:    divpd %xmm1, %xmm0
+; SSE-NEXT:    movaps {{.*#+}} xmm1 = [NaN,NaN]
+; SSE-NEXT:    retq
+;
+; AVX-LABEL: load_fdiv_op0_constant_v4f64:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vmovsd {{.*#+}} xmm0 = mem[0],zero
+; AVX-NEXT:    vmovsd {{.*#+}} xmm1 = mem[0],zero
+; AVX-NEXT:    vdivpd %ymm0, %ymm1, %ymm0
+; AVX-NEXT:    retq
+  %x = load double, double* %p
+  %v = insertelement <4 x double> undef, double %x, i32 0
+  %b = fdiv <4 x double> <double 42.0, double undef, double undef, double undef>, %v
+  ret <4 x double> %b
+}
+