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619ca04281
Summary: This adds all of the CodeGen tests which currently pass. Reviewers: arsenm, kparzysz Subscribers: japaric, wdng Differential Revision: https://reviews.llvm.org/D26388 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@286418 91177308-0d34-0410-b5e6-96231b3b80d8
31 lines
992 B
LLVM
31 lines
992 B
LLVM
; RUN: llc < %s -march=avr | FileCheck %s
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define i8 @count_population(i8) unnamed_addr {
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entry-block:
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%1 = tail call i8 @llvm.ctpop.i8(i8 %0)
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ret i8 %1
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}
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declare i8 @llvm.ctpop.i8(i8)
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; CHECK-LABEL: count_population:
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; CHECK: mov [[SCRATCH:r[0-9]+]], [[RESULT:r[0-9]+]]
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; CHECK: lsr {{.*}}[[SCRATCH]]
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; CHECK: andi {{.*}}[[SCRATCH]], 85
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; CHECK: sub {{.*}}[[RESULT]], {{.*}}[[SCRATCH]]
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; CHECK: mov {{.*}}[[SCRATCH]], {{.*}}[[RESULT]]
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; CHECK: andi {{.*}}[[SCRATCH]], 51
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; CHECK: lsr {{.*}}[[RESULT]]
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; CHECK: lsr {{.*}}[[RESULT]]
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; CHECK: andi {{.*}}[[RESULT]], 51
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; CHECK: add {{.*}}[[RESULT]], {{.*}}[[SCRATCH]]
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; CHECK: mov {{.*}}[[SCRATCH]], {{.*}}[[RESULT]]
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; CHECK: lsr {{.*}}[[SCRATCH]]
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; CHECK: lsr {{.*}}[[SCRATCH]]
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; CHECK: lsr {{.*}}[[SCRATCH]]
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; CHECK: lsr {{.*}}[[SCRATCH]]
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; CHECK: add {{.*}}[[SCRATCH]], {{.*}}[[RESULT]]
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; CHECK: andi {{.*}}[[SCRATCH]], 15
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; CHECK: mov {{.*}}[[RESULT]], {{.*}}[[SCRATCH]]
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; CHECK: ret
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