[llvm] r317998 - [X86] Add test cases and command lines demonstrating how we accidentally select vrangeps/vrangepd from vrangess/vrangesd instrinsics when the rounding mode is CUR_DIRECTION

[Craig Topper via llvm-commits]

Author: ctopper
Date: Sun Nov 12 10:51:08 2017
New Revision: 317998

URL: http://llvm.org/viewvc/llvm-project?rev=317998&view=rev
Log:
[X86] Add test cases and command lines demonstrating how we accidentally select vrangeps/vrangepd from vrangess/vrangesd instrinsics when the rounding mode is CUR_DIRECTION

Modified:
    llvm/trunk/test/CodeGen/X86/avx512dq-intrinsics.ll

Modified: llvm/trunk/test/CodeGen/X86/avx512dq-intrinsics.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/avx512dq-intrinsics.ll?rev=317998&r1=317997&r2=317998&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/avx512dq-intrinsics.ll (original)
+++ llvm/trunk/test/CodeGen/X86/avx512dq-intrinsics.ll Sun Nov 12 10:51:08 2017
@@ -1,5 +1,6 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=knl -mattr=+avx512dq | FileCheck %s
+; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=knl -mattr=+avx512dq | FileCheck %s --check-prefix=CHECK --check-prefix=AVX512DQ
+; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=knl -mattr=+avx512dq,avx512vl | FileCheck %s --check-prefix=CHECK --check-prefix=AVX512DQVL
 
 declare <8 x i64> @llvm.x86.avx512.mask.cvtpd2qq.512(<8 x double>, <8 x i64>, i8, i32)
 
@@ -276,17 +277,31 @@ define <4 x float>@test_int_x86_avx512_m
 declare <4 x float> @llvm.x86.avx512.mask.range.ss(<4 x float>, <4 x float>,<4 x float>, i8, i32, i32)
 
 define <4 x float>@test_int_x86_avx512_mask_range_ss(<4 x float> %x0, <4 x float> %x1, <4 x float> %x3, i8 %x4) {
-; CHECK-LABEL: test_int_x86_avx512_mask_range_ss:
-; CHECK:       ## BB#0:
-; CHECK-NEXT:    kmovw %edi, %k1
-; CHECK-NEXT:    vrangess $4, {sae}, %xmm1, %xmm0, %xmm2 {%k1}
-; CHECK-NEXT:    vrangess $4, {sae}, %xmm1, %xmm0, %xmm0
-; CHECK-NEXT:    vaddps %xmm0, %xmm2, %xmm0
-; CHECK-NEXT:    retq
+; AVX512DQ-LABEL: test_int_x86_avx512_mask_range_ss:
+; AVX512DQ:       ## BB#0:
+; AVX512DQ-NEXT:    kmovw %edi, %k1
+; AVX512DQ-NEXT:    vrangess $4, {sae}, %xmm1, %xmm0, %xmm2 {%k1}
+; AVX512DQ-NEXT:    vrangess $4, {sae}, %xmm1, %xmm0, %xmm3
+; AVX512DQ-NEXT:    vrangess $4, %xmm1, %xmm0, %xmm0
+; AVX512DQ-NEXT:    vaddps %xmm3, %xmm2, %xmm1
+; AVX512DQ-NEXT:    vaddps %xmm1, %xmm0, %xmm0
+; AVX512DQ-NEXT:    retq
+;
+; AVX512DQVL-LABEL: test_int_x86_avx512_mask_range_ss:
+; AVX512DQVL:       ## BB#0:
+; AVX512DQVL-NEXT:    kmovw %edi, %k1
+; AVX512DQVL-NEXT:    vrangess $4, {sae}, %xmm1, %xmm0, %xmm2 {%k1}
+; AVX512DQVL-NEXT:    vrangess $4, {sae}, %xmm1, %xmm0, %xmm3
+; AVX512DQVL-NEXT:    vaddps %xmm3, %xmm2, %xmm2
+; AVX512DQVL-NEXT:    vrangeps $4, %xmm1, %xmm0, %xmm0
+; AVX512DQVL-NEXT:    vaddps %xmm2, %xmm0, %xmm0
+; AVX512DQVL-NEXT:    retq
   %res = call <4 x float> @llvm.x86.avx512.mask.range.ss(<4 x float> %x0, <4 x float> %x1, <4 x float> %x3, i8 %x4, i32 4, i32 8)
   %res1 = call <4 x float> @llvm.x86.avx512.mask.range.ss(<4 x float> %x0, <4 x float> %x1, <4 x float> %x3, i8 -1, i32 4, i32 8)
-  %res2 = fadd <4 x float> %res, %res1
-  ret <4 x float> %res2
+  %res2 = call <4 x float> @llvm.x86.avx512.mask.range.ss(<4 x float> %x0, <4 x float> %x1, <4 x float> %x3, i8 -1, i32 4, i32 4)
+  %res3 = fadd <4 x float> %res, %res1
+  %res4 = fadd <4 x float> %res2, %res3
+  ret <4 x float> %res4
 }
 
 declare <2 x double> @llvm.x86.avx512.mask.reduce.sd(<2 x double>, <2 x double>,<2 x double>, i8, i32, i32)
@@ -308,17 +323,31 @@ define <2 x double>@test_int_x86_avx512_
 declare <2 x double> @llvm.x86.avx512.mask.range.sd(<2 x double>, <2 x double>,<2 x double>, i8, i32, i32)
 
 define <2 x double>@test_int_x86_avx512_mask_range_sd(<2 x double> %x0, <2 x double> %x1, <2 x double> %x3, i8 %x4) {
-; CHECK-LABEL: test_int_x86_avx512_mask_range_sd:
-; CHECK:       ## BB#0:
-; CHECK-NEXT:    kmovw %edi, %k1
-; CHECK-NEXT:    vrangesd $4, %xmm1, %xmm0, %xmm2 {%k1}
-; CHECK-NEXT:    vrangesd $4, {sae}, %xmm1, %xmm0, %xmm0
-; CHECK-NEXT:    vaddpd %xmm0, %xmm2, %xmm0
-; CHECK-NEXT:    retq
+; AVX512DQ-LABEL: test_int_x86_avx512_mask_range_sd:
+; AVX512DQ:       ## BB#0:
+; AVX512DQ-NEXT:    vrangesd $4, %xmm1, %xmm0, %xmm3
+; AVX512DQ-NEXT:    kmovw %edi, %k1
+; AVX512DQ-NEXT:    vrangesd $4, %xmm1, %xmm0, %xmm2 {%k1}
+; AVX512DQ-NEXT:    vrangesd $4, {sae}, %xmm1, %xmm0, %xmm0
+; AVX512DQ-NEXT:    vaddpd %xmm0, %xmm2, %xmm0
+; AVX512DQ-NEXT:    vaddpd %xmm0, %xmm3, %xmm0
+; AVX512DQ-NEXT:    retq
+;
+; AVX512DQVL-LABEL: test_int_x86_avx512_mask_range_sd:
+; AVX512DQVL:       ## BB#0:
+; AVX512DQVL-NEXT:    vrangepd $4, %xmm1, %xmm0, %xmm3
+; AVX512DQVL-NEXT:    kmovw %edi, %k1
+; AVX512DQVL-NEXT:    vrangesd $4, %xmm1, %xmm0, %xmm2 {%k1}
+; AVX512DQVL-NEXT:    vrangesd $4, {sae}, %xmm1, %xmm0, %xmm0
+; AVX512DQVL-NEXT:    vaddpd %xmm0, %xmm2, %xmm0
+; AVX512DQVL-NEXT:    vaddpd %xmm0, %xmm3, %xmm0
+; AVX512DQVL-NEXT:    retq
   %res = call <2 x double> @llvm.x86.avx512.mask.range.sd(<2 x double> %x0, <2 x double> %x1, <2 x double> %x3, i8 %x4, i32 4, i32 4)
   %res1 = call <2 x double> @llvm.x86.avx512.mask.range.sd(<2 x double> %x0, <2 x double> %x1, <2 x double> %x3, i8 -1, i32 4, i32 8)
-  %res2 = fadd <2 x double> %res, %res1
-  ret <2 x double> %res2
+  %res2 = call <2 x double> @llvm.x86.avx512.mask.range.sd(<2 x double> %x0, <2 x double> %x1, <2 x double> %x3, i8 -1, i32 4, i32 4)
+  %res3 = fadd <2 x double> %res, %res1
+  %res4 = fadd <2 x double> %res2, %res3
+  ret <2 x double> %res4
 }
 
 declare i8 @llvm.x86.avx512.mask.fpclass.pd.512(<8 x double>, i32, i8)