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			2.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
		
		
			
		
	
	
			71 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
|   | ; RUN: llc -verify-machineinstrs -mcpu=pwr8 -mtriple=powerpc64le-unknown-linux-gnu -O3 < %s | FileCheck %s
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|  | 
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|  | ; These tests verify that VSX swap optimization works for various
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|  | ; manipulations of <2 x double> vectors.
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|  | 
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|  | @x = global <2 x double> <double 9.970000e+01, double -1.032220e+02>, align 16 | ||
|  | @z = global <2 x double> <double 2.332000e+01, double 3.111111e+01>, align 16 | ||
|  | 
 | ||
|  | define void @bar0(double %y) { | ||
|  | entry: | ||
|  |   %0 = load <2 x double>, <2 x double>* @x, align 16 | ||
|  |   %vecins = insertelement <2 x double> %0, double %y, i32 0 | ||
|  |   store <2 x double> %vecins, <2 x double>* @z, align 16 | ||
|  |   ret void | ||
|  | } | ||
|  | 
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|  | ; CHECK-LABEL: @bar0
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|  | ; CHECK-DAG: lxvd2x [[REG1:[0-9]+]]
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|  | ; CHECK-DAG: xxspltd [[REG2:[0-9]+]]
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|  | ; CHECK: xxpermdi [[REG3:[0-9]+]], [[REG2]], [[REG1]], 1
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|  | ; CHECK: stxvd2x [[REG3]]
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|  | ; CHECK-NOT: xxswapd
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|  | 
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|  | define void @bar1(double %y) { | ||
|  | entry: | ||
|  |   %0 = load <2 x double>, <2 x double>* @x, align 16 | ||
|  |   %vecins = insertelement <2 x double> %0, double %y, i32 1 | ||
|  |   store <2 x double> %vecins, <2 x double>* @z, align 16 | ||
|  |   ret void | ||
|  | } | ||
|  | 
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|  | ; CHECK-LABEL: @bar1
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|  | ; CHECK-DAG: lxvd2x [[REG1:[0-9]+]]
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|  | ; CHECK-DAG: xxspltd [[REG2:[0-9]+]]
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|  | ; CHECK: xxmrghd [[REG3:[0-9]+]], [[REG1]], [[REG2]]
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|  | ; CHECK: stxvd2x [[REG3]]
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|  | ; CHECK-NOT: xxswapd
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|  | 
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|  | define void @baz0() { | ||
|  | entry: | ||
|  |   %0 = load <2 x double>, <2 x double>* @z, align 16 | ||
|  |   %1 = load <2 x double>, <2 x double>* @x, align 16 | ||
|  |   %vecins = shufflevector <2 x double> %0, <2 x double> %1, <2 x i32> <i32 0, i32 2> | ||
|  |   store <2 x double> %vecins, <2 x double>* @z, align 16 | ||
|  |   ret void | ||
|  | } | ||
|  | 
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|  | ; CHECK-LABEL: @baz0
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|  | ; CHECK: lxvd2x
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|  | ; CHECK: lxvd2x
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|  | ; CHECK: xxmrghd
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|  | ; CHECK: stxvd2x
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|  | ; CHECK-NOT: xxswapd
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|  | 
 | ||
|  | define void @baz1() { | ||
|  | entry: | ||
|  |   %0 = load <2 x double>, <2 x double>* @z, align 16 | ||
|  |   %1 = load <2 x double>, <2 x double>* @x, align 16 | ||
|  |   %vecins = shufflevector <2 x double> %0, <2 x double> %1, <2 x i32> <i32 3, i32 1> | ||
|  |   store <2 x double> %vecins, <2 x double>* @z, align 16 | ||
|  |   ret void | ||
|  | } | ||
|  | 
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|  | ; CHECK-LABEL: @baz1
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|  | ; CHECK: lxvd2x
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|  | ; CHECK: lxvd2x
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|  | ; CHECK: xxmrgld
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|  | ; CHECK: stxvd2x
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|  | ; CHECK-NOT: xxswapd
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|  | 
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