ntstbit.ll 1.77 KB
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -march=hexagon < %s | FileCheck %s

; Function Attrs: nounwind
define i32 @f0(i32 %a0, i32 %a1, i32 %a2) #0 {
; CHECK-LABEL: f0:
; CHECK:       // %bb.0: // %b0
; CHECK-NEXT:    {
; CHECK-NEXT:     p0 = !tstbit(r1,r2)
; CHECK-NEXT:     r17:16 = combine(r0,r1)
; CHECK-NEXT:     memd(r29+#-16) = r17:16
; CHECK-NEXT:     allocframe(#8)
; CHECK-NEXT:    } // 8-byte Folded Spill
; CHECK-NEXT:    {
; CHECK-NEXT:     if (p0) jump:nt .LBB0_2
; CHECK-NEXT:    }
; CHECK-NEXT:  // %bb.1: // %b1
; CHECK-NEXT:    {
; CHECK-NEXT:     call f1
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     jump .LBB0_3
; CHECK-NEXT:    }
; CHECK-NEXT:  .LBB0_2: // %b2
; CHECK-NEXT:    {
; CHECK-NEXT:     call f2
; CHECK-NEXT:    }
; CHECK-NEXT:  .LBB0_3: // %b3
; CHECK-NEXT:    {
; CHECK-NEXT:     call f3
; CHECK-NEXT:     r1 = add(r16,#2)
; CHECK-NEXT:     r0 = r17
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r0 = #0
; CHECK-NEXT:     r17:16 = memd(r29+#0)
; CHECK-NEXT:     dealloc_return
; CHECK-NEXT:    } // 8-byte Folded Reload
b0:
  %v0 = shl i32 1, %a2
  %v1 = and i32 %v0, %a1
  %v2 = icmp eq i32 %v1, 0
  br i1 %v2, label %b2, label %b1

b1:                                               ; preds = %b0
  tail call void bitcast (void (...)* @f1 to void ()*)() #0
  br label %b3

b2:                                               ; preds = %b0
  %v3 = tail call i32 bitcast (i32 (...)* @f2 to i32 ()*)() #0
  br label %b3

b3:                                               ; preds = %b2, %b1
  %v4 = add nsw i32 %a1, 2
  %v5 = tail call i32 bitcast (i32 (...)* @f3 to i32 (i32, i32)*)(i32 %a0, i32 %v4) #0
  ret i32 0
}

declare void @f1(...)

declare i32 @f2(...)

declare i32 @f3(...)

attributes #0 = { nounwind }