llvm/test/CodeGen/ARM/softfp-constant-comparison.ll

   1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
   2 ; RUN: llc -mtriple=thumbv7em-arm-none-eabi < %s | FileCheck %s
   3
   4 target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
   5 target triple = "thumbv7em-arm-none-eabi"
   6
   7 @a = hidden global i32 0, align 4
   8
   9 define hidden void @fn1() nounwind #0 {
  10 ; CHECK-LABEL: fn1:
  11 ; CHECK:       @ %bb.0: @ %entry
  12 ; CHECK-NEXT:    movs r0, #1
  13 ; CHECK-NEXT:    cbnz r0, .LBB0_2
  14 ; CHECK-NEXT:    b .LBB0_1
  15 ; CHECK-NEXT:  .LBB0_1: @ %land.rhs
  16 ; CHECK-NEXT:    b .LBB0_2
  17 ; CHECK-NEXT:  .LBB0_2: @ %land.end
  18 ; CHECK-NEXT:    bx lr
  19 entry:
  20   %0 = load i32, ptr @a, align 4
  21   %conv = sitofp i32 %0 to double
  22   %mul = fmul nnan ninf nsz double 0.000000e+00, %conv
  23   %tobool = fcmp nnan ninf nsz une double %mul, 0.000000e+00
  24   br i1 %tobool, label %land.rhs, label %land.end
  25
  26 land.rhs:                                         ; preds = %entry
  27   br label %land.end
  28
  29 land.end:                                         ; preds = %land.rhs, %entry
  30   %1 = phi i1 [ false, %entry ], [ false, %land.rhs ]
  31   %land.ext = zext i1 %1 to i32
  32   ret void
  33 }
  34
  35 attributes #0 = { noinline nounwind optnone "correctly-rounded-divide-sqrt-fp-math"="false" "denormal-fp-math"="preserve-sign,preserve-sign" "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="true" "no-jump-tables"="false" "no-nans-fp-math"="true" "no-signed-zeros-fp-math"="true" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="cortex-m4" "target-features"="+armv7e-m,+dsp,+fp16,+hwdiv,+thumb-mode,+vfp2sp,+vfp3d16sp,+vfp4d16sp,-aes,-crc,-crypto,-dotprod,-fp16fml,-fullfp16,-hwdiv-arm,-lob,-mve,-mve.fp,-ras,-sb,-sha2" "unsafe-fp-math"="false" "use-soft-float"="false" }