test/CodeGen/Hexagon/switch-lut-text-section.ll

   1 ;RUN: llc -O2 -hexagon-emit-lut-text=true < %s | FileCheck --check-prefix=TEXT %s
   2 ;This test checks the placement of lookup table in text section.
   3 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"
   4 target triple = "hexagon-unknown--elf"
   5
   6 ;TEXT: .text
   7 ;TEXT-NOT: .section{{.*}}.rodata
   8 ;TEXT: .Lswitch.table:
   9 ;TEXT-NEXT: .word
  10 @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]
  11
  12 ; Function Attrs: norecurse nounwind readnone
  13 define i32 @foo(i32 %x) local_unnamed_addr #0 {
  14 entry:
  15   %0 = icmp ult i32 %x, 9
  16   br i1 %0, label %switch.lookup, label %return
  17
  18 switch.lookup:                                    ; preds = %entry
  19   %switch.gep = getelementptr inbounds [9 x i32], [9 x i32]* @switch.table, i32 0, i32 %x
  20   %switch.load = load i32, i32* %switch.gep, align 4
  21   ret i32 %switch.load
  22
  23 return:                                           ; preds = %entry
  24   ret i32 19
  25 }
  26
  27 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" }