[X86] Update the broadcast fallback patterns to use shuffle instructions from the...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@293603 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86InstrSSE.td b/lib/Target/X86/X86InstrSSE.td
index 2e0cd64bdc0ed1112fcec72ba6a71e2e3dee101e..bc32eee15165e582bb10a89b856c4a15572c7792 100644 (file)
--- a/lib/Target/X86/X86InstrSSE.td
+++ b/lib/Target/X86/X86InstrSSE.td
@@ -8314,15 +8314,15 @@ let Predicates = [HasAVX, NoVLX] in {
 
 let Predicates = [HasAVX1Only] in {
   def : Pat<(v4f32 (X86VBroadcast FR32:$src)),
-            (VPSHUFDri (COPY_TO_REGCLASS FR32:$src, VR128), 0)>;
+            (VPERMILPSri (COPY_TO_REGCLASS FR32:$src, VR128), 0)>;
   def : Pat<(v8f32 (X86VBroadcast FR32:$src)),
             (VINSERTF128rr (INSERT_SUBREG (v8f32 (IMPLICIT_DEF)),
-              (VPSHUFDri (COPY_TO_REGCLASS FR32:$src, VR128), 0), sub_xmm),
-              (VPSHUFDri (COPY_TO_REGCLASS FR32:$src, VR128), 0), 1)>;
+              (VPERMILPSri (COPY_TO_REGCLASS FR32:$src, VR128), 0), sub_xmm),
+              (VPERMILPSri (COPY_TO_REGCLASS FR32:$src, VR128), 0), 1)>;
   def : Pat<(v4f64 (X86VBroadcast FR64:$src)),
             (VINSERTF128rr (INSERT_SUBREG (v4f64 (IMPLICIT_DEF)),
-              (VPSHUFDri (COPY_TO_REGCLASS FR64:$src, VR128), 0x44), sub_xmm),
-              (VPSHUFDri (COPY_TO_REGCLASS FR64:$src, VR128), 0x44), 1)>;
+              (VMOVDDUPrr (COPY_TO_REGCLASS FR64:$src, VR128)), sub_xmm),
+              (VMOVDDUPrr (COPY_TO_REGCLASS FR64:$src, VR128)), 1)>;
 
   def : Pat<(v4i32 (X86VBroadcast GR32:$src)),
             (VPSHUFDri (COPY_TO_REGCLASS GR32:$src, VR128), 0)>;
@@ -8336,7 +8336,7 @@ let Predicates = [HasAVX1Only] in {
               (VPSHUFDri (COPY_TO_REGCLASS GR64:$src, VR128), 0x44), 1)>;
 
   def : Pat<(v2i64 (X86VBroadcast i64:$src)),
-              (VMOVDDUPrr (COPY_TO_REGCLASS GR64:$src, VR128))>;
+            (VPSHUFDri (COPY_TO_REGCLASS GR64:$src, VR128), 0x44)>;
 }
 
 //===----------------------------------------------------------------------===//

diff --git a/test/CodeGen/X86/avx-vbroadcast.ll b/test/CodeGen/X86/avx-vbroadcast.ll
index 312f4237cd2919fe267d5b655801c86b576a56d9..77b9c0dc8f1fd0d663f612fbd75cf73b32684bcb 100644 (file)
--- a/test/CodeGen/X86/avx-vbroadcast.ll
+++ b/test/CodeGen/X86/avx-vbroadcast.ll
@@ -49,7 +49,7 @@ define <4 x i64> @A2(i64* %ptr, i64* %ptr2) nounwind uwtable readnone ssp {
 ; X64-NEXT:    movq (%rdi), %rax
 ; X64-NEXT:    vmovq %rax, %xmm0
 ; X64-NEXT:    movq %rax, (%rsi)
-; X64-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,1,0,1]
+; X64-NEXT:    vmovddup {{.*#+}} xmm0 = xmm0[0,0]
 ; X64-NEXT:    vinsertf128 $1, %xmm0, %ymm0, %ymm0
 ; X64-NEXT:    retq
 entry:
@@ -114,7 +114,7 @@ define <8 x i32> @B3(i32* %ptr, i32* %ptr2) nounwind uwtable readnone ssp {
 ; X32-NEXT:    movl (%ecx), %ecx
 ; X32-NEXT:    vmovd %ecx, %xmm0
 ; X32-NEXT:    movl %ecx, (%eax)
-; X32-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,0,0,0]
+; X32-NEXT:    vpermilps {{.*#+}} xmm0 = xmm0[0,0,0,0]
 ; X32-NEXT:    vinsertf128 $1, %xmm0, %ymm0, %ymm0
 ; X32-NEXT:    retl
 ;
@@ -123,7 +123,7 @@ define <8 x i32> @B3(i32* %ptr, i32* %ptr2) nounwind uwtable readnone ssp {
 ; X64-NEXT:    movl (%rdi), %eax
 ; X64-NEXT:    vmovd %eax, %xmm0
 ; X64-NEXT:    movl %eax, (%rsi)
-; X64-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,0,0,0]
+; X64-NEXT:    vpermilps {{.*#+}} xmm0 = xmm0[0,0,0,0]
 ; X64-NEXT:    vinsertf128 $1, %xmm0, %ymm0, %ymm0
 ; X64-NEXT:    retq
 entry:
@@ -167,7 +167,7 @@ define <4 x double> @C2(double* %ptr, double* %ptr2) nounwind uwtable readnone s
 ; X32-NEXT:    movl {{[0-9]+}}(%esp), %ecx
 ; X32-NEXT:    vmovsd {{.*#+}} xmm0 = mem[0],zero
 ; X32-NEXT:    vmovsd %xmm0, (%eax)
-; X32-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,1,0,1]
+; X32-NEXT:    vmovddup {{.*#+}} xmm0 = xmm0[0,0]
 ; X32-NEXT:    vinsertf128 $1, %xmm0, %ymm0, %ymm0
 ; X32-NEXT:    retl
 ;
@@ -175,7 +175,7 @@ define <4 x double> @C2(double* %ptr, double* %ptr2) nounwind uwtable readnone s
 ; X64:       ## BB#0: ## %entry
 ; X64-NEXT:    vmovsd {{.*#+}} xmm0 = mem[0],zero
 ; X64-NEXT:    vmovsd %xmm0, (%rsi)
-; X64-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,1,0,1]
+; X64-NEXT:    vmovddup {{.*#+}} xmm0 = xmm0[0,0]
 ; X64-NEXT:    vinsertf128 $1, %xmm0, %ymm0, %ymm0
 ; X64-NEXT:    retq
 entry:
@@ -237,17 +237,17 @@ define <8 x float> @D3(float* %ptr, float* %ptr2) nounwind uwtable readnone ssp
 ; X32:       ## BB#0: ## %entry
 ; X32-NEXT:    movl {{[0-9]+}}(%esp), %eax
 ; X32-NEXT:    movl {{[0-9]+}}(%esp), %ecx
-; X32-NEXT:    vmovd {{.*#+}} xmm0 = mem[0],zero,zero,zero
-; X32-NEXT:    vmovd %xmm0, (%eax)
-; X32-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,0,0,0]
+; X32-NEXT:    vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero
+; X32-NEXT:    vmovss %xmm0, (%eax)
+; X32-NEXT:    vpermilps {{.*#+}} xmm0 = xmm0[0,0,0,0]
 ; X32-NEXT:    vinsertf128 $1, %xmm0, %ymm0, %ymm0
 ; X32-NEXT:    retl
 ;
 ; X64-LABEL: D3:
 ; X64:       ## BB#0: ## %entry
-; X64-NEXT:    vmovd {{.*#+}} xmm0 = mem[0],zero,zero,zero
-; X64-NEXT:    vmovd %xmm0, (%rsi)
-; X64-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,0,0,0]
+; X64-NEXT:    vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero
+; X64-NEXT:    vmovss %xmm0, (%rsi)
+; X64-NEXT:    vpermilps {{.*#+}} xmm0 = xmm0[0,0,0,0]
 ; X64-NEXT:    vinsertf128 $1, %xmm0, %ymm0, %ymm0
 ; X64-NEXT:    retq
 entry:
@@ -291,16 +291,16 @@ define <4 x float> @e2(float* %ptr, float* %ptr2) nounwind uwtable readnone ssp
 ; X32:       ## BB#0: ## %entry
 ; X32-NEXT:    movl {{[0-9]+}}(%esp), %eax
 ; X32-NEXT:    movl {{[0-9]+}}(%esp), %ecx
-; X32-NEXT:    vmovd {{.*#+}} xmm0 = mem[0],zero,zero,zero
-; X32-NEXT:    vmovd %xmm0, (%eax)
-; X32-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,0,0,0]
+; X32-NEXT:    vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero
+; X32-NEXT:    vmovss %xmm0, (%eax)
+; X32-NEXT:    vpermilps {{.*#+}} xmm0 = xmm0[0,0,0,0]
 ; X32-NEXT:    retl
 ;
 ; X64-LABEL: e2:
 ; X64:       ## BB#0: ## %entry
-; X64-NEXT:    vmovd {{.*#+}} xmm0 = mem[0],zero,zero,zero
-; X64-NEXT:    vmovd %xmm0, (%rsi)
-; X64-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,0,0,0]
+; X64-NEXT:    vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero
+; X64-NEXT:    vmovss %xmm0, (%rsi)
+; X64-NEXT:    vpermilps {{.*#+}} xmm0 = xmm0[0,0,0,0]
 ; X64-NEXT:    retq
 entry:
   %q = load float, float* %ptr, align 4