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