test/CodeGen/AArch64/GlobalISel/legalize-load-vector.mir

   1 # RUN: not llc %s -o - -run-pass=legalizer 2>&1 | FileCheck %s
   2
   3 # Check we don't infinitely loop on (currently) illegal non-extending loads
   4 # CHECK: LLVM ERROR: unable to legalize instruction
   5
   6 --- |
   7   target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
   8   target triple = "aarch64--linux-gnu"
   9
  10   ; Function Attrs: noinline nounwind optnone
  11   define dso_local float @simulated_vgetq_lane_f16(<8 x half> %vec, i32 %lane) #0 {
  12   entry:
  13     %__ret.i = alloca <4 x half>, align 8
  14     ret float 0.0
  15   }
  16
  17   attributes #0 = { noinline nounwind optnone "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"="cortex-a57" "target-features"="+crc,+crypto,+fp-armv8,+neon" "unsafe-fp-math"="false" "use-soft-float"="false" }
  18 ...
  19 ---
  20 name:            simulated_vgetq_lane_f16
  21 alignment:       4
  22 exposesReturnsTwice: false
  23 legalized:       false
  24 regBankSelected: false
  25 selected:        false
  26 failedISel:      false
  27 tracksRegLiveness: true
  28 liveins:
  29 frameInfo:
  30   isFrameAddressTaken: false
  31   isReturnAddressTaken: false
  32   hasStackMap:     false
  33   hasPatchPoint:   false
  34   stackSize:       0
  35   offsetAdjustment: 0
  36   maxAlignment:    16
  37   adjustsStack:    false
  38   hasCalls:        true
  39   stackProtector:  ''
  40   maxCallFrameSize: 4294967295
  41   hasOpaqueSPAdjustment: false
  42   hasVAStart:      false
  43   hasMustTailInVarArgFunc: false
  44   localFrameSize:  0
  45   savePoint:       ''
  46   restorePoint:    ''
  47 fixedStack:
  48 stack:
  49   - { id: 0, name: __ret.i, type: default, offset: 0, size: 8, alignment: 8,
  50       stack-id: 0, callee-saved-register: '', callee-saved-restored: true,
  51       debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
  52 constants:
  53 body:             |
  54   bb.1.entry:
  55     liveins: $x0
  56
  57     %0:_(p0) = COPY $x0
  58     %1:_(<4 x s16>) = G_LOAD %0:_(p0) :: (load 8 from %ir.__ret.i)
  59     $x1 = COPY %1(<4 x s16>)
  60
  61 ...