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annotate test/CodeGen/AArch64/rotate.ll @ 117:facf19d07cd9

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Wed, 24 Aug 2016 20:10:41 +0900
parents 7d135dc70f03
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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100
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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1 ; RUN: llc < %s -mtriple=aarch64--linux-gnueabihf | FileCheck %s
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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2
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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3 ;; This used to cause a backend crash about not being able to
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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4 ;; select ROTL. Make sure if generates the basic ushr/shl.
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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5 define <2 x i64> @testcase(<2 x i64>* %in) {
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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6 ; CHECK-LABEL: testcase
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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7 ; CHECK: ushr {{v[0-9]+}}.2d
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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8 ; CHECK: shl {{v[0-9]+}}.2d
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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9 %1 = load <2 x i64>, <2 x i64>* %in
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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10 %2 = lshr <2 x i64> %1, <i64 8, i64 8>
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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11 %3 = shl <2 x i64> %1, <i64 56, i64 56>
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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12 %4 = or <2 x i64> %2, %3
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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13 ret <2 x i64> %4
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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14 }