148 lines
		
	
	
		
			5.3 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			148 lines
		
	
	
		
			5.3 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc -verify-machineinstrs -O3 -mcpu=pwr8 -mtriple=powerpc64le-unknown-linux-gnu < %s | FileCheck %s
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| ; RUN: llc -verify-machineinstrs -O3 -mcpu=pwr8 -disable-ppc-vsx-swap-removal -mtriple=powerpc64le-unknown-linux-gnu < %s | FileCheck -check-prefix=NOOPTSWAP %s
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| 
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| ; This test was generated from the following source:
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| ;
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| ; #define N 4096
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| ; int ca[N] __attribute__((aligned(16)));
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| ; int cb[N] __attribute__((aligned(16)));
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| ; int cc[N] __attribute__((aligned(16)));
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| ; int cd[N] __attribute__((aligned(16)));
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| ;
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| ; void foo ()
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| ; {
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| ;   int i;
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| ;   for (i = 0; i < N; i++) {
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| ;     ca[i] = (cb[i] + cc[i]) * cd[i];
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| ;   }
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| ; }
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| 
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| @cb = common global [4096 x i32] zeroinitializer, align 16
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| @cc = common global [4096 x i32] zeroinitializer, align 16
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| @cd = common global [4096 x i32] zeroinitializer, align 16
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| @ca = common global [4096 x i32] zeroinitializer, align 16
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| 
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| define void @foo() {
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| entry:
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|   br label %vector.body
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| 
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| vector.body:
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|   %index = phi i64 [ 0, %entry ], [ %index.next.3, %vector.body ]
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|   %0 = getelementptr inbounds [4096 x i32], [4096 x i32]* @cb, i64 0, i64 %index
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|   %1 = bitcast i32* %0 to <4 x i32>*
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|   %wide.load = load <4 x i32>, <4 x i32>* %1, align 16
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|   %2 = getelementptr inbounds [4096 x i32], [4096 x i32]* @cc, i64 0, i64 %index
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|   %3 = bitcast i32* %2 to <4 x i32>*
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|   %wide.load13 = load <4 x i32>, <4 x i32>* %3, align 16
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|   %4 = add nsw <4 x i32> %wide.load13, %wide.load
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|   %5 = getelementptr inbounds [4096 x i32], [4096 x i32]* @cd, i64 0, i64 %index
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|   %6 = bitcast i32* %5 to <4 x i32>*
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|   %wide.load14 = load <4 x i32>, <4 x i32>* %6, align 16
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|   %7 = mul nsw <4 x i32> %4, %wide.load14
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|   %8 = getelementptr inbounds [4096 x i32], [4096 x i32]* @ca, i64 0, i64 %index
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|   %9 = bitcast i32* %8 to <4 x i32>*
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|   store <4 x i32> %7, <4 x i32>* %9, align 16
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|   %index.next = add nuw nsw i64 %index, 4
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|   %10 = getelementptr inbounds [4096 x i32], [4096 x i32]* @cb, i64 0, i64 %index.next
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|   %11 = bitcast i32* %10 to <4 x i32>*
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|   %wide.load.1 = load <4 x i32>, <4 x i32>* %11, align 16
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|   %12 = getelementptr inbounds [4096 x i32], [4096 x i32]* @cc, i64 0, i64 %index.next
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|   %13 = bitcast i32* %12 to <4 x i32>*
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|   %wide.load13.1 = load <4 x i32>, <4 x i32>* %13, align 16
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|   %14 = add nsw <4 x i32> %wide.load13.1, %wide.load.1
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|   %15 = getelementptr inbounds [4096 x i32], [4096 x i32]* @cd, i64 0, i64 %index.next
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|   %16 = bitcast i32* %15 to <4 x i32>*
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|   %wide.load14.1 = load <4 x i32>, <4 x i32>* %16, align 16
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|   %17 = mul nsw <4 x i32> %14, %wide.load14.1
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|   %18 = getelementptr inbounds [4096 x i32], [4096 x i32]* @ca, i64 0, i64 %index.next
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|   %19 = bitcast i32* %18 to <4 x i32>*
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|   store <4 x i32> %17, <4 x i32>* %19, align 16
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|   %index.next.1 = add nuw nsw i64 %index.next, 4
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|   %20 = getelementptr inbounds [4096 x i32], [4096 x i32]* @cb, i64 0, i64 %index.next.1
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|   %21 = bitcast i32* %20 to <4 x i32>*
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|   %wide.load.2 = load <4 x i32>, <4 x i32>* %21, align 16
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|   %22 = getelementptr inbounds [4096 x i32], [4096 x i32]* @cc, i64 0, i64 %index.next.1
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|   %23 = bitcast i32* %22 to <4 x i32>*
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|   %wide.load13.2 = load <4 x i32>, <4 x i32>* %23, align 16
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|   %24 = add nsw <4 x i32> %wide.load13.2, %wide.load.2
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|   %25 = getelementptr inbounds [4096 x i32], [4096 x i32]* @cd, i64 0, i64 %index.next.1
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|   %26 = bitcast i32* %25 to <4 x i32>*
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|   %wide.load14.2 = load <4 x i32>, <4 x i32>* %26, align 16
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|   %27 = mul nsw <4 x i32> %24, %wide.load14.2
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|   %28 = getelementptr inbounds [4096 x i32], [4096 x i32]* @ca, i64 0, i64 %index.next.1
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|   %29 = bitcast i32* %28 to <4 x i32>*
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|   store <4 x i32> %27, <4 x i32>* %29, align 16
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|   %index.next.2 = add nuw nsw i64 %index.next.1, 4
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|   %30 = getelementptr inbounds [4096 x i32], [4096 x i32]* @cb, i64 0, i64 %index.next.2
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|   %31 = bitcast i32* %30 to <4 x i32>*
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|   %wide.load.3 = load <4 x i32>, <4 x i32>* %31, align 16
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|   %32 = getelementptr inbounds [4096 x i32], [4096 x i32]* @cc, i64 0, i64 %index.next.2
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|   %33 = bitcast i32* %32 to <4 x i32>*
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|   %wide.load13.3 = load <4 x i32>, <4 x i32>* %33, align 16
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|   %34 = add nsw <4 x i32> %wide.load13.3, %wide.load.3
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|   %35 = getelementptr inbounds [4096 x i32], [4096 x i32]* @cd, i64 0, i64 %index.next.2
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|   %36 = bitcast i32* %35 to <4 x i32>*
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|   %wide.load14.3 = load <4 x i32>, <4 x i32>* %36, align 16
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|   %37 = mul nsw <4 x i32> %34, %wide.load14.3
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|   %38 = getelementptr inbounds [4096 x i32], [4096 x i32]* @ca, i64 0, i64 %index.next.2
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|   %39 = bitcast i32* %38 to <4 x i32>*
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|   store <4 x i32> %37, <4 x i32>* %39, align 16
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|   %index.next.3 = add nuw nsw i64 %index.next.2, 4
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|   %40 = icmp eq i64 %index.next.3, 4096
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|   br i1 %40, label %for.end, label %vector.body
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| 
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| for.end:
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|   ret void
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| }
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| 
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| ; CHECK-LABEL: @foo
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| ; CHECK-NOT: xxpermdi
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| ; CHECK-NOT: xxswapd
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| 
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| ; CHECK: lxvd2x
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| ; CHECK: lxvd2x
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| ; CHECK-DAG: lxvd2x
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| ; CHECK-DAG: vadduwm
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| ; CHECK: vmuluwm
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| ; CHECK: stxvd2x
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| 
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| ; CHECK: lxvd2x
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| ; CHECK: lxvd2x
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| ; CHECK-DAG: lxvd2x
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| ; CHECK-DAG: vadduwm
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| ; CHECK: vmuluwm
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| ; CHECK: stxvd2x
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| 
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| ; CHECK: lxvd2x
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| ; CHECK: lxvd2x
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| ; CHECK-DAG: lxvd2x
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| ; CHECK-DAG: vadduwm
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| ; CHECK: vmuluwm
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| ; CHECK: stxvd2x
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| 
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| ; CHECK: lxvd2x
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| ; CHECK: lxvd2x
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| ; CHECK-DAG: lxvd2x
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| ; CHECK-DAG: vadduwm
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| ; CHECK: vmuluwm
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| ; CHECK: stxvd2x
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| 
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| 
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| ; NOOPTSWAP-LABEL: @foo
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| 
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| ; NOOPTSWAP: lxvd2x
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| ; NOOPTSWAP-DAG: lxvd2x
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| ; NOOPTSWAP-DAG: lxvd2x
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| ; NOOPTSWAP-DAG: xxswapd
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| ; NOOPTSWAP-DAG: xxswapd
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| ; NOOPTSWAP-DAG: xxswapd
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| ; NOOPTSWAP-DAG: vadduwm
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| ; NOOPTSWAP: vmuluwm
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| ; NOOPTSWAP: xxswapd
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| ; NOOPTSWAP-DAG: xxswapd
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| ; NOOPTSWAP-DAG: xxswapd
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| ; NOOPTSWAP-DAG: stxvd2x
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| ; NOOPTSWAP-DAG: stxvd2x
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| ; NOOPTSWAP: stxvd2x
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| 
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