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annotate test/CodeGen/Hexagon/constp-extract.ll @ 146:3fc4d5c3e21e

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set tail call flag for code segment in CGCAll
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Sun, 23 Dec 2018 19:23:36 +0900
parents 1172e4bd9c6f
children
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120
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1 ; Expect the constant propagation to evaluate signed and unsigned bit extract.
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2 ; RUN: llc -march=hexagon -O2 < %s | FileCheck %s
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3
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4 target triple = "hexagon"
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5
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6 @x = common global i32 0, align 4
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7 @y = common global i32 0, align 4
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8
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9 define void @foo() #0 {
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10 entry:
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11 ; extractu(0x000ABCD0, 16, 4)
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12 ; should evaluate to 0xABCD (dec 43981)
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13 %0 = call i32 @llvm.hexagon.S2.extractu(i32 703696, i32 16, i32 4)
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14 ; CHECK: 43981
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15 ; CHECK-NOT: extractu
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16 store i32 %0, i32* @x, align 4
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17 ; extract(0x000ABCD0, 16, 4)
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18 ; should evaluate to 0xFFFFABCD (dec 4294945741 or -21555)
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19 %1 = call i32 @llvm.hexagon.S4.extract(i32 703696, i32 16, i32 4)
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20 ; CHECK: -21555
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21 ; CHECK-NOT: extract
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22 store i32 %1, i32* @y, align 4
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23 ret void
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24 }
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25
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26 declare i32 @llvm.hexagon.S2.extractu(i32, i32, i32) #1
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27
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28 declare i32 @llvm.hexagon.S4.extract(i32, i32, i32) #1
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29
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30 attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
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31 attributes #1 = { nounwind readnone }