[llvm] r324094 - [X86][SSE] Force double domain for SHUFPD stack folding tests

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Fri Feb  2 06:55:20 2018
New Revision: 324094

URL: http://llvm.org/viewvc/llvm-project?rev=324094&view=rev
Log:
[X86][SSE] Force double domain for SHUFPD stack folding tests

Modified:
    llvm/trunk/test/CodeGen/X86/stack-folding-fp-avx1.ll
    llvm/trunk/test/CodeGen/X86/stack-folding-fp-sse42.ll

Modified: llvm/trunk/test/CodeGen/X86/stack-folding-fp-avx1.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/stack-folding-fp-avx1.ll?rev=324094&r1=324093&r2=324094&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/stack-folding-fp-avx1.ll (original)
+++ llvm/trunk/test/CodeGen/X86/stack-folding-fp-avx1.ll Fri Feb  2 06:55:20 2018
@@ -1586,7 +1586,9 @@ define <2 x double> @stack_fold_shufpd(<
   ;CHECK:       vshufpd $1, {{-?[0-9]*}}(%rsp), {{%xmm[0-9][0-9]*}}, {{%xmm[0-9][0-9]*}} {{.*#+}} 16-byte Folded Reload
   %1 = tail call <2 x i64> asm sideeffect "nop", "=x,~{xmm2},~{xmm3},~{xmm4},~{xmm5},~{xmm6},~{xmm7},~{xmm8},~{xmm9},~{xmm10},~{xmm11},~{xmm12},~{xmm13},~{xmm14},~{xmm15},~{flags}"()
   %2 = shufflevector <2 x double> %a0, <2 x double> %a1, <2 x i32> <i32 1, i32 2>
-  ret <2 x double> %2
+  ; fadd forces execution domain
+  %3 = fadd <2 x double> %2, <double 0x0, double 0x0>
+  ret <2 x double> %3
 }
 
 define <4 x double> @stack_fold_shufpd_ymm(<4 x double> %a0, <4 x double> %a1) {
@@ -1594,7 +1596,9 @@ define <4 x double> @stack_fold_shufpd_y
   ;CHECK:       vshufpd $5, {{-?[0-9]*}}(%rsp), {{%ymm[0-9][0-9]*}}, {{%ymm[0-9][0-9]*}} {{.*#+}} 32-byte Folded Reload
   %1 = tail call <2 x i64> asm sideeffect "nop", "=x,~{xmm2},~{xmm3},~{xmm4},~{xmm5},~{xmm6},~{xmm7},~{xmm8},~{xmm9},~{xmm10},~{xmm11},~{xmm12},~{xmm13},~{xmm14},~{xmm15},~{flags}"()
   %2 = shufflevector <4 x double> %a0, <4 x double> %a1, <4 x i32> <i32 1, i32 4, i32 3, i32 6>
-  ret <4 x double> %2
+  ; fadd forces execution domain
+  %3 = fadd <4 x double> %2, <double 0x0, double 0x0, double 0x0, double 0x0>
+  ret <4 x double> %3
 }
 
 define <4 x float> @stack_fold_shufps(<4 x float> %a0, <4 x float> %a1) {

Modified: llvm/trunk/test/CodeGen/X86/stack-folding-fp-sse42.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/stack-folding-fp-sse42.ll?rev=324094&r1=324093&r2=324094&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/stack-folding-fp-sse42.ll (original)
+++ llvm/trunk/test/CodeGen/X86/stack-folding-fp-sse42.ll Fri Feb  2 06:55:20 2018
@@ -1039,7 +1039,9 @@ define <2 x double> @stack_fold_shufpd(<
   ;CHECK:       shufpd $1, {{-?[0-9]*}}(%rsp), {{%xmm[0-9][0-9]*}} {{.*#+}} 16-byte Folded Reload
   %1 = tail call <2 x i64> asm sideeffect "nop", "=x,~{xmm2},~{xmm3},~{xmm4},~{xmm5},~{xmm6},~{xmm7},~{xmm8},~{xmm9},~{xmm10},~{xmm11},~{xmm12},~{xmm13},~{xmm14},~{xmm15},~{flags}"()
   %2 = shufflevector <2 x double> %a0, <2 x double> %a1, <2 x i32> <i32 1, i32 2>
-  ret <2 x double> %2
+  ; fadd forces execution domain
+  %3 = fadd <2 x double> %2, <double 0x0, double 0x0>
+  ret <2 x double> %3
 }
 
 define <4 x float> @stack_fold_shufps(<4 x float> %a0, <4 x float> %a1) {