4a6881eabc
Summary: This is follow up patch of https://reviews.llvm.org/D67595. Adjust naming and the Commutable operands for additional patterns to make it easier to read. The testcase update also show that we can save some unecessary fmr as well. Reviewers: #powerpc, steven.zhang, hfinkel, nemanjai Reviewed By: #powerpc, nemanjai Subscribers: wuzish, hiraditya, kbarton, MaskRay, shchenz, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D68112 llvm-svn: 373652
28 lines
1.1 KiB
LLVM
28 lines
1.1 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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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, .LCPI0_0@toc@ha
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; CHECK-NEXT: addi 3, 3, .LCPI0_0@toc@l
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; CHECK-NEXT: lvx 3, 0, 3
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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: lvx 4, 0, 3
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; CHECK-NEXT: xxspltw 0, 0, 0
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; CHECK-NEXT: xvresp 1, 0
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; CHECK-NEXT: xvnmsubasp 35, 0, 1
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; CHECK-NEXT: xvmulsp 0, 34, 36
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; CHECK-NEXT: xvmaddasp 1, 1, 35
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; CHECK-NEXT: xvmulsp 34, 0, 1
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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 fast <4 x float> %b, <float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 0x3FF028F5C0000000>
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%mul = fdiv fast <4 x float> %t1, %splat
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ret <4 x float> %mul
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}
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