121
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1 ;RUN: llc -O2 -hexagon-emit-lut-text=true -function-sections < %s | FileCheck --check-prefix=FUNCTEXT %s
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2
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3 ;This test checks the placement of lookup table in function's text section.
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4 target datalayout = "e-m:e-p:32:32:32-a:0-n16:32-i64:64:64-i32:32:32-i16:16:16-i1:8:8-f32:32:32-f64:64:64-v32:32:32-v64:64:64-v512:512:512-v1024:1024:1024-v2048:2048:2048"
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5 target triple = "hexagon-unknown--elf"
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6
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7 ;FUNCTEXT: .text
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8 ;FUNCTEXT: .section{{.*}}text.foo,
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9 ;FUNCTEXT-NOT: .section{{.*}}.rodata
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10 ;FUNCTEXT: .Lswitch.table:
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11 ;FUNCTEXT-NEXT: .word
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12
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13 @switch.table = private unnamed_addr constant [9 x i32] [i32 9, i32 20, i32 14, i32 22, i32 12, i32 5, i32 98, i32 8, i32 11] #0
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14
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15 ; Function Attrs: norecurse nounwind readnone
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16 define i32 @foo(i32 %x) local_unnamed_addr #0 {
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17 entry:
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18 %0 = icmp ult i32 %x, 9
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19 br i1 %0, label %switch.lookup, label %return
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20
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21 switch.lookup: ; preds = %entry
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22 %switch.gep = getelementptr inbounds [9 x i32], [9 x i32]* @switch.table, i32 0, i32 %x
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23 %switch.load = load i32, i32* %switch.gep, align 4
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24 ret i32 %switch.load
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25
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26 return: ; preds = %entry
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27 ret i32 19
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28 }
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29
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30 attributes #0 = { norecurse nounwind readnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="hexagonv60" "target-features"="-hvx,-long-calls" "unsafe-fp-math"="false" "use-soft-float"="false" }
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