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15 lines
483 B
LLVM
15 lines
483 B
LLVM
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; RUN: llc < %s -mtriple=aarch64--linux-gnueabihf | FileCheck %s
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;; This used to cause a backend crash about not being able to
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;; select ROTL. Make sure if generates the basic ushr/shl.
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define <2 x i64> @testcase(<2 x i64>* %in) {
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; CHECK-LABEL: testcase
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; CHECK: ushr {{v[0-9]+}}.2d
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; CHECK: shl {{v[0-9]+}}.2d
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%1 = load <2 x i64>, <2 x i64>* %in
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%2 = lshr <2 x i64> %1, <i64 8, i64 8>
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%3 = shl <2 x i64> %1, <i64 56, i64 56>
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%4 = or <2 x i64> %2, %3
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ret <2 x i64> %4
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}
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