55 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			55 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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| ; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-- < %s | FileCheck %s
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| 
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| ; Check if this causes infinite loop when estimation disabled
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| define <4 x float> @repeated_fp_divisor_noest(float %a, <4 x float> %b) {
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| ; CHECK-LABEL: repeated_fp_divisor_noest:
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| ; CHECK:       # %bb.0:
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| ; CHECK-NEXT:    xscvdpspn 0, 1
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| ; CHECK-NEXT:    addis 3, 2, .LCPI0_1@toc@ha
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| ; CHECK-NEXT:    addi 3, 3, .LCPI0_1@toc@l
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| ; CHECK-NEXT:    lxvd2x 1, 0, 3
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| ; CHECK-NEXT:    addis 3, 2, .LCPI0_0@toc@ha
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| ; CHECK-NEXT:    addi 3, 3, .LCPI0_0@toc@l
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| ; CHECK-NEXT:    xxswapd 35, 1
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| ; CHECK-NEXT:    lxvd2x 1, 0, 3
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| ; CHECK-NEXT:    xxspltw 0, 0, 0
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| ; CHECK-NEXT:    xvdivsp 0, 35, 0
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| ; CHECK-NEXT:    xxswapd 35, 1
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| ; CHECK-NEXT:    xvmulsp 1, 34, 35
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| ; CHECK-NEXT:    xvmulsp 34, 1, 0
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| ; CHECK-NEXT:    blr
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|   %ins = insertelement <4 x float> undef, float %a, i32 0
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|   %splat = shufflevector <4 x float> %ins, <4 x float> undef, <4 x i32> zeroinitializer
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|   %t1 = fmul reassoc <4 x float> %b, <float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 0x3FF028F5C0000000>
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|   %mul = fdiv reassoc arcp nsz <4 x float> %t1, %splat
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|   ret <4 x float> %mul
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| }
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| 
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| define <4 x float> @repeated_fp_divisor(float %a, <4 x float> %b) {
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| ; CHECK-LABEL: repeated_fp_divisor:
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| ; CHECK:       # %bb.0:
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| ; CHECK-NEXT:    xscvdpspn 0, 1
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| ; CHECK-NEXT:    addis 3, 2, .LCPI1_0@toc@ha
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| ; CHECK-NEXT:    addi 3, 3, .LCPI1_0@toc@l
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| ; CHECK-NEXT:    lxvd2x 1, 0, 3
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| ; CHECK-NEXT:    addis 3, 2, .LCPI1_1@toc@ha
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| ; CHECK-NEXT:    addi 3, 3, .LCPI1_1@toc@l
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| ; CHECK-NEXT:    xxswapd 1, 1
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| ; CHECK-NEXT:    xxspltw 0, 0, 0
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| ; CHECK-NEXT:    xvresp 2, 0
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| ; CHECK-NEXT:    xvmaddasp 1, 0, 2
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| ; CHECK-NEXT:    lxvd2x 0, 0, 3
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| ; CHECK-NEXT:    xxswapd 35, 0
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| ; CHECK-NEXT:    xvnmsubasp 2, 2, 1
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| ; CHECK-NEXT:    xvmulsp 0, 34, 35
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| ; CHECK-NEXT:    xvmulsp 34, 0, 2
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| ; CHECK-NEXT:    blr
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|   %ins = insertelement <4 x float> undef, float %a, i32 0
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|   %splat = shufflevector <4 x float> %ins, <4 x float> undef, <4 x i32> zeroinitializer
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|   %t1 = fmul contract reassoc <4 x float> %b, <float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 0x3FF028F5C0000000>
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|   %mul = fdiv contract reassoc arcp nsz ninf <4 x float> %t1, %splat
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|   ret <4 x float> %mul
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| }
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| 
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