flang/test/Lower/Intrinsics/len_trim.f90

   1 ! RUN: bbc -emit-fir %s -o - | FileCheck %s
   2
   3 ! CHECK-LABEL: len_trim_test
   4 integer function len_trim_test(c)
   5 character(*) :: c
   6 ltrim = len_trim(c)
   7 ! CHECK-DAG: %[[c0:.*]] = arith.constant 0 : index
   8 ! CHECK-DAG: %[[c1:.*]] = arith.constant 1 : index
   9 ! CHECK-DAG: %[[cm1:.*]] = arith.constant -1 : index
  10 ! CHECK-DAG: %[[lastChar:.*]] = arith.subi {{.*}}, %[[c1]]
  11 ! CHECK: %[[iterateResult:.*]]:2 = fir.iterate_while (%[[index:.*]] = %[[lastChar]] to %[[c0]] step %[[cm1]]) and ({{.*}}) iter_args({{.*}}) {
  12   ! CHECK: %[[addr:.*]] = fir.coordinate_of {{.*}}, %[[index]]
  13   ! CHECK: %[[codeAddr:.*]] = fir.convert %[[addr]]
  14   ! CHECK: %[[code:.*]] = fir.load %[[codeAddr]]
  15   ! CHECK: %[[bool:.*]] = arith.cmpi eq
  16   ! CHECK: fir.result %[[bool]], %[[index]]
  17 ! CHECK: }
  18 ! CHECK: %[[len:.*]] = arith.addi %[[iterateResult]]#1, %[[c1]]
  19 ! CHECK: select %[[iterateResult]]#0, %[[c0]], %[[len]]
  20 end function