From be32016e90b07827ac96a00d6f6346ce651477b7 Mon Sep 17 00:00:00 2001
From: Craig Topper <craig.topper@intel.com>
Date: Tue, 10 Jul 2018 00:49:47 +0000
Subject: [PATCH] [X86] Add test cases that show failure to fold load into
 vfixupimm instructions due to bad isel pattern.

llvm-svn: 336625
---
 test/CodeGen/X86/avx512-intrinsics.ll | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/test/CodeGen/X86/avx512-intrinsics.ll b/test/CodeGen/X86/avx512-intrinsics.ll
index 0f644a2a928..0cbe96e5998 100644
--- a/test/CodeGen/X86/avx512-intrinsics.ll
+++ b/test/CodeGen/X86/avx512-intrinsics.ll
@@ -1,5 +1,5 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: llc < %s -mtriple=x86_64-apple-darwin -mattr=+avx512f | FileCheck %s
+; RUN: llc < %s -disable-peephole -mtriple=x86_64-apple-darwin -mattr=+avx512f | FileCheck %s
 
 
 define <8 x double> @test_mask_compress_pd_512(<8 x double> %data, <8 x double> %passthru, i8 %mask) {
@@ -4159,6 +4159,17 @@ define <8 x double>@test_int_x86_avx512_mask_fixupimm_pd_512(<8 x double> %x0, <
   ret <8 x double> %res4
 }
 
+define <8 x double>@test_int_x86_avx512_mask_fixupimm_pd_512_load(<8 x double> %x0, <8 x double> %x1, <8 x i64>* %x2ptr) {
+; CHECK-LABEL: test_int_x86_avx512_mask_fixupimm_pd_512_load:
+; CHECK:       ## %bb.0:
+; CHECK-NEXT:    vmovapd (%rdi), %zmm2
+; CHECK-NEXT:    vfixupimmpd $3, %zmm2, %zmm1, %zmm0
+; CHECK-NEXT:    retq
+  %x2 = load <8 x i64>, <8 x i64>* %x2ptr
+  %res = call <8 x double> @llvm.x86.avx512.mask.fixupimm.pd.512(<8 x double> %x0, <8 x double> %x1, <8 x i64> %x2, i32 3, i8 -1, i32 4)
+  ret <8 x double> %res
+}
+
 declare <8 x double> @llvm.x86.avx512.maskz.fixupimm.pd.512(<8 x double>, <8 x double>, <8 x i64>, i32, i8, i32)
 
 define <8 x double>@test_int_x86_avx512_maskz_fixupimm_pd_512(<8 x double> %x0, <8 x double> %x1, <8 x i64> %x2, i8 %x4) {
@@ -4251,6 +4262,17 @@ define <16 x float>@test_int_x86_avx512_mask_fixupimm_ps_512(<16 x float> %x0, <
   ret <16 x float> %res4
 }
 
+define <16 x float>@test_int_x86_avx512_mask_fixupimm_ps_512_load(<16 x float> %x0, <16 x float> %x1, <16 x i32>* %x2ptr) {
+; CHECK-LABEL: test_int_x86_avx512_mask_fixupimm_ps_512_load:
+; CHECK:       ## %bb.0:
+; CHECK-NEXT:    vmovaps (%rdi), %zmm2
+; CHECK-NEXT:    vfixupimmps $5, %zmm2, %zmm1, %zmm0
+; CHECK-NEXT:    retq
+  %x2 = load <16 x i32>, <16 x i32>* %x2ptr
+  %res = call <16 x float> @llvm.x86.avx512.mask.fixupimm.ps.512(<16 x float> %x0, <16 x float> %x1, <16 x i32> %x2, i32 5, i16 -1, i32 4)
+  ret <16 x float> %res
+}
+
 declare <16 x float> @llvm.x86.avx512.maskz.fixupimm.ps.512(<16 x float>, <16 x float>, <16 x i32>, i32, i16, i32)
 
 define <16 x float>@test_int_x86_avx512_maskz_fixupimm_ps_512(<16 x float> %x0, <16 x float> %x1, <16 x i32> %x2, i16 %x4) {