| // Test to assure we don't hit assertion when passing characters to maxval |
| // RUN: fir-opt %s -opt-bufferization | FileCheck %s |
| |
| |
| // This simplified `fir` is derived from this test program: |
| // program FlangOptimizerBug |
| // character(len=*), parameter :: values(*) = & |
| // [ "To be ","or not " & |
| // , "to ","be. " & |
| // , "that ","is " & |
| // , "the ","question"] |
| // integer :: me, ni, i |
| // character(len=len(values)) :: my_val, expected |
| // |
| // me = 1 |
| // ni = 8 |
| // |
| // my_val = values(mod(me-1, size(values))+1) |
| // expected = maxval([(values(mod(i-1,size(values))+1), i = 1, ni)]) |
| // |
| // print *, my_val, expected |
| // end program |
| |
| func.func @_QQmain() { |
| %c8 = arith.constant 8 : index |
| %1 = fir.alloca !fir.char<1, 8> |
| %24 = fir.shape %c8 : (index) -> !fir.shape<1> |
| %25 = hlfir.elemental %24 typeparams %c8 unordered : (!fir.shape<1>, index) -> !hlfir.expr<?x!fir.char<1, 8>> { |
| ^bb0(%arg0: index): |
| %dummy = fir.string_lit "A"(8) : !fir.char<1, 8> |
| hlfir.yield_element %dummy : !fir.char<1, 8> |
| } |
| %26 = hlfir.maxval %25 {fastmath = #arith.fastmath<contract>} : (!hlfir.expr<?x!fir.char<1, 8>>) -> !hlfir.expr<!fir.char<1, 8>> |
| hlfir.assign %26 to %1 : !hlfir.expr<!fir.char<1, 8>>, !fir.ref<!fir.char<1, 8>> // Assign to %1 directly |
| hlfir.destroy %26 : !hlfir.expr<!fir.char<1, 8>> |
| hlfir.destroy %25 : !hlfir.expr<?x!fir.char<1, 8>> |
| return |
| } |
| |
| // CHECK-LABEL: func.func @_QQmain() { |
| // CHECK-NEXT: %c8 = arith.constant 8 : index |
| // CHECK-NEXT: %[[V0:.*]] = fir.alloca !fir.char<1,8> |
| // CHECK-NEXT: %[[V1:.*]] = fir.shape %c8 : (index) -> !fir.shape<1> |
| // CHECK-NEXT: %[[V2:.*]] = hlfir.elemental %1 typeparams %c8 unordered : (!fir.shape<1>, index) -> !hlfir.expr<?x!fir.char<1,8>> { |
| // CHECK-NEXT: ^bb0(%arg0: index): |
| // CHECK-NEXT: %[[V4:.*]] = fir.string_lit "A"(8) : !fir.char<1,8> |
| // CHECK-NEXT: hlfir.yield_element %[[V4]] : !fir.char<1,8> |
| // CHECK-NEXT: } |
| // CHECK-NEXT: %[[V3:.*]] = hlfir.maxval %[[V2]] {fastmath = #arith.fastmath<contract>} : (!hlfir.expr<?x!fir.char<1,8>>) -> !hlfir.expr<!fir.char<1,8>> |
| // CHECK-NEXT: hlfir.assign %[[V3]] to %[[V0]] : !hlfir.expr<!fir.char<1,8>>, !fir.ref<!fir.char<1,8>> |
| // CHECK-NEXT: hlfir.destroy %[[V3]] : !hlfir.expr<!fir.char<1,8>> |
| // CHECK-NEXT: hlfir.destroy %[[V2]] : !hlfir.expr<?x!fir.char<1,8>> |
| // CHECK-NEXT: return |
| // CHECK-NEXT: } |
