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1! Test lowering complex division to llvm ir according to options2 3! REQUIRES: flang-supports-f128-math4! RUN: %flang -fcomplex-arithmetic=improved -S -emit-llvm %s -o - | FileCheck %s --check-prefixes=CHECK,IMPRVD5! RUN: %flang -fcomplex-arithmetic=basic -S -emit-llvm %s -o - | FileCheck %s --check-prefixes=CHECK,BASIC6 7 8! CHECK-LABEL: @div_test_quad9! CHECK-SAME: ptr noalias %[[RET:.*]], ptr noalias %[[LHS:.*]], ptr noalias %[[RHS:.*]])10! CHECK: %[[LOAD_LHS:.*]] = load { fp128, fp128 }, ptr %[[LHS]], align 1611! CHECK: %[[LOAD_RHS:.*]] = load { fp128, fp128 }, ptr %[[RHS]], align 1612! CHECK: %[[LHS_REAL:.*]] = extractvalue { fp128, fp128 } %[[LOAD_LHS]], 013! CHECK: %[[LHS_IMAG:.*]] = extractvalue { fp128, fp128 } %[[LOAD_LHS]], 114! CHECK: %[[RHS_REAL:.*]] = extractvalue { fp128, fp128 } %[[LOAD_RHS]], 015! CHECK: %[[RHS_IMAG:.*]] = extractvalue { fp128, fp128 } %[[LOAD_RHS]], 116 17! IMPRVD: %[[RHS_REAL_IMAG_RATIO:.*]] = fdiv contract fp128 %[[RHS_REAL]], %[[RHS_IMAG]]18! IMPRVD: %[[RHS_REAL_TIMES_RHS_REAL_IMAG_RATIO:.*]] = fmul contract fp128 %[[RHS_REAL_IMAG_RATIO]], %[[RHS_REAL]]19! IMPRVD: %[[RHS_REAL_IMAG_DENOM:.*]] = fadd contract fp128 %[[RHS_IMAG]], %[[RHS_REAL_TIMES_RHS_REAL_IMAG_RATIO]]20! IMPRVD: %[[LHS_REAL_TIMES_RHS_REAL_IMAG_RATIO:.*]] = fmul contract fp128 %[[LHS_REAL]], %[[RHS_REAL_IMAG_RATIO]]21! IMPRVD: %[[REAL_NUMERATOR_1:.*]] = fadd contract fp128 %[[LHS_REAL_TIMES_RHS_REAL_IMAG_RATIO]], %[[LHS_IMAG]]22! IMPRVD: %[[RESULT_REAL_1:.*]] = fdiv contract fp128 %[[REAL_NUMERATOR_1]], %[[RHS_REAL_IMAG_DENOM]]23! IMPRVD: %[[LHS_IMAG_TIMES_RHS_REAL_IMAG_RATIO:.*]] = fmul contract fp128 %[[LHS_IMAG]], %[[RHS_REAL_IMAG_RATIO]]24! IMPRVD: %[[IMAG_NUMERATOR_1:.*]] = fsub contract fp128 %[[LHS_IMAG_TIMES_RHS_REAL_IMAG_RATIO]], %[[LHS_REAL]]25! IMPRVD: %[[RESULT_IMAG_1:.*]] = fdiv contract fp128 %[[IMAG_NUMERATOR_1]], %[[RHS_REAL_IMAG_DENOM]]26! IMPRVD: %[[RHS_IMAG_REAL_RATIO:.*]] = fdiv contract fp128 %[[RHS_IMAG]], %[[RHS_REAL]]27! IMPRVD: %[[RHS_IMAG_TIMES_RHS_IMAG_REAL_RATIO:.*]] = fmul contract fp128 %[[RHS_IMAG_REAL_RATIO]], %[[RHS_IMAG]]28! IMPRVD: %[[RHS_IMAG_REAL_DENOM:.*]] = fadd contract fp128 %[[RHS_REAL]], %[[RHS_IMAG_TIMES_RHS_IMAG_REAL_RATIO]]29! IMPRVD: %[[LHS_IMAG_TIMES_RHS_IMAG_REAL_RATIO:.*]] = fmul contract fp128 %[[LHS_IMAG]], %[[RHS_IMAG_REAL_RATIO]]30! IMPRVD: %[[REAL_NUMERATOR_2:.*]] = fadd contract fp128 %[[LHS_REAL]], %[[LHS_IMAG_TIMES_RHS_IMAG_REAL_RATIO]]31! IMPRVD: %[[RESULT_REAL_2:.*]] = fdiv contract fp128 %[[REAL_NUMERATOR_2]], %[[RHS_IMAG_REAL_DENOM]]32! IMPRVD: %[[LHS_REAL_TIMES_RHS_IMAG_REAL_RATIO:.*]] = fmul contract fp128 %[[LHS_REAL]], %[[RHS_IMAG_REAL_RATIO]]33! IMPRVD: %[[IMAG_NUMERATOR_2:.*]] = fsub contract fp128 %[[LHS_IMAG]], %[[LHS_REAL_TIMES_RHS_IMAG_REAL_RATIO]]34! IMPRVD: %[[RESULT_IMAG_2:.*]] = fdiv contract fp128 %[[IMAG_NUMERATOR_2]], %[[RHS_IMAG_REAL_DENOM]]35 36! Case 1. Zero denominator, numerator contains at most one NaN value.37! IMPRVD: %[[RHS_REAL_ABS:.*]] = call contract fp128 @llvm.fabs.f128(fp128 %[[RHS_REAL]])38! IMPRVD: %[[RHS_REAL_ABS_IS_ZERO:.*]] = fcmp oeq fp128 %[[RHS_REAL_ABS]], 0xL0000000000000000000000000000000039! IMPRVD: %[[RHS_IMAG_ABS:.*]] = call contract fp128 @llvm.fabs.f128(fp128 %[[RHS_IMAG]])40! IMPRVD: %[[RHS_IMAG_ABS_IS_ZERO:.*]] = fcmp oeq fp128 %[[RHS_IMAG_ABS]], 0xL0000000000000000000000000000000041! IMPRVD: %[[LHS_REAL_IS_NOT_NAN:.*]] = fcmp ord fp128 %[[LHS_REAL]], 0xL0000000000000000000000000000000042! IMPRVD: %[[LHS_IMAG_IS_NOT_NAN:.*]] = fcmp ord fp128 %[[LHS_IMAG]], 0xL0000000000000000000000000000000043! IMPRVD: %[[LHS_CONTAINS_NOT_NAN_VALUE:.*]] = or i1 %[[LHS_REAL_IS_NOT_NAN]], %[[LHS_IMAG_IS_NOT_NAN]]44! IMPRVD: %[[RHS_IS_ZERO:.*]] = and i1 %[[RHS_REAL_ABS_IS_ZERO]], %[[RHS_IMAG_ABS_IS_ZERO]]45! IMPRVD: %[[RESULT_IS_INFINITY:.*]] = and i1 %[[LHS_CONTAINS_NOT_NAN_VALUE]], %[[RHS_IS_ZERO]]46! IMPRVD: %[[INF_WITH_SIGN_OF_RHS_REAL:.*]] = call fp128 @llvm.copysign.f128(fp128 0xL00000000000000007FFF000000000000, fp128 %[[RHS_REAL]])47! IMPRVD: %[[INFINITY_RESULT_REAL:.*]] = fmul contract fp128 %[[INF_WITH_SIGN_OF_RHS_REAL]], %[[LHS_REAL]]48! IMPRVD: %[[INFINITY_RESULT_IMAG:.*]] = fmul contract fp128 %[[INF_WITH_SIGN_OF_RHS_REAL]], %[[LHS_IMAG]]49 50! Case 2. Infinite numerator, finite denominator.51! IMPRVD: %[[RHS_REAL_FINITE:.*]] = fcmp one fp128 %[[RHS_REAL_ABS]], 0xL00000000000000007FFF00000000000052! IMPRVD: %[[RHS_IMAG_FINITE:.*]] = fcmp one fp128 %[[RHS_IMAG_ABS]], 0xL00000000000000007FFF00000000000053! IMPRVD: %[[RHS_IS_FINITE:.*]] = and i1 %[[RHS_REAL_FINITE]], %[[RHS_IMAG_FINITE]]54! IMPRVD: %[[LHS_REAL_ABS:.*]] = call contract fp128 @llvm.fabs.f128(fp128 %[[LHS_REAL]])55! IMPRVD: %[[LHS_REAL_INFINITE:.*]] = fcmp oeq fp128 %[[LHS_REAL_ABS]], 0xL00000000000000007FFF00000000000056! IMPRVD: %[[LHS_IMAG_ABS:.*]] = call contract fp128 @llvm.fabs.f128(fp128 %[[LHS_IMAG]])57! IMPRVD: %[[LHS_IMAG_INFINITE:.*]] = fcmp oeq fp128 %[[LHS_IMAG_ABS]], 0xL00000000000000007FFF00000000000058! IMPRVD: %[[LHS_IS_INFINITE:.*]] = or i1 %[[LHS_REAL_INFINITE]], %[[LHS_IMAG_INFINITE]]59! IMPRVD: %[[INF_NUM_FINITE_DENOM:.*]] = and i1 %[[LHS_IS_INFINITE]], %[[RHS_IS_FINITE]]60! IMPRVD: %[[LHS_REAL_IS_INF:.*]] = select i1 %[[LHS_REAL_INFINITE]], fp128 0xL00000000000000003FFF000000000000, fp128 0xL0000000000000000000000000000000061! IMPRVD: %[[LHS_REAL_IS_INF_WITH_SIGN:.*]] = call fp128 @llvm.copysign.f128(fp128 %[[LHS_REAL_IS_INF]], fp128 %[[LHS_REAL]])62! IMPRVD: %[[LHS_IMAG_IS_INF:.*]] = select i1 %[[LHS_IMAG_INFINITE]], fp128 0xL00000000000000003FFF000000000000, fp128 0xL0000000000000000000000000000000063! IMPRVD: %[[LHS_IMAG_IS_INF_WITH_SIGN:.*]] = call fp128 @llvm.copysign.f128(fp128 %[[LHS_IMAG_IS_INF]], fp128 %[[LHS_IMAG]])64! IMPRVD: %[[LHS_REAL_IS_INF_WITH_SIGN_TIMES_RHS_REAL:.*]] = fmul contract fp128 %[[LHS_REAL_IS_INF_WITH_SIGN]], %[[RHS_REAL]]65! IMPRVD: %[[LHS_IMAG_IS_INF_WITH_SIGN_TIMES_RHS_IMAG:.*]] = fmul contract fp128 %[[LHS_IMAG_IS_INF_WITH_SIGN]], %[[RHS_IMAG]]66! IMPRVD: %[[INF_MULTIPLICATOR_1:.*]] = fadd contract fp128 %[[LHS_REAL_IS_INF_WITH_SIGN_TIMES_RHS_REAL]], %[[LHS_IMAG_IS_INF_WITH_SIGN_TIMES_RHS_IMAG]]67! IMPRVD: %[[RESULT_REAL_3:.*]] = fmul contract fp128 %[[INF_MULTIPLICATOR_1]], 0xL00000000000000007FFF00000000000068! IMPRVD: %[[LHS_REAL_IS_INF_WITH_SIGN_TIMES_RHS_IMAG:.*]] = fmul contract fp128 %[[LHS_REAL_IS_INF_WITH_SIGN]], %[[RHS_IMAG]]69! IMPRVD: %[[LHS_IMAG_IS_INF_WITH_SIGN_TIMES_RHS_REAL:.*]] = fmul contract fp128 %[[LHS_IMAG_IS_INF_WITH_SIGN]], %[[RHS_REAL]]70! IMPRVD: %[[INF_MULTIPLICATOR_2:.*]] = fsub contract fp128 %[[LHS_IMAG_IS_INF_WITH_SIGN_TIMES_RHS_REAL]], %[[LHS_REAL_IS_INF_WITH_SIGN_TIMES_RHS_IMAG]]71! IMPRVD: %[[RESULT_IMAG_3:.*]] = fmul contract fp128 %[[INF_MULTIPLICATOR_2]], 0xL00000000000000007FFF00000000000072 73! Case 3. Finite numerator, infinite denominator.74! IMPRVD: %[[LHS_REAL_FINITE:.*]] = fcmp one fp128 %[[LHS_REAL_ABS]], 0xL00000000000000007FFF00000000000075! IMPRVD: %[[LHS_IMAG_FINITE:.*]] = fcmp one fp128 %[[LHS_IMAG_ABS]], 0xL00000000000000007FFF00000000000076! IMPRVD: %[[LHS_IS_FINITE:.*]] = and i1 %[[LHS_REAL_FINITE]], %[[LHS_IMAG_FINITE]]77! IMPRVD: %[[RHS_REAL_INFINITE:.*]] = fcmp oeq fp128 %[[RHS_REAL_ABS]], 0xL00000000000000007FFF00000000000078! IMPRVD: %[[RHS_IMAG_INFINITE:.*]] = fcmp oeq fp128 %[[RHS_IMAG_ABS]], 0xL00000000000000007FFF00000000000079! IMPRVD: %[[RHS_IS_INFINITE:.*]] = or i1 %[[RHS_REAL_INFINITE]], %[[RHS_IMAG_INFINITE]]80! IMPRVD: %[[FINITE_NUM_INFINITE_DENOM:.*]] = and i1 %[[LHS_IS_FINITE]], %[[RHS_IS_INFINITE]]81! IMPRVD: %[[RHS_REAL_IS_INF:.*]] = select i1 %[[RHS_REAL_INFINITE]], fp128 0xL00000000000000003FFF000000000000, fp128 0xL0000000000000000000000000000000082! IMPRVD: %[[RHS_REAL_IS_INF_WITH_SIGN:.*]] = call fp128 @llvm.copysign.f128(fp128 %[[RHS_REAL_IS_INF]], fp128 %[[RHS_REAL]])83! IMPRVD: %[[RHS_IMAG_IS_INF:.*]] = select i1 %[[RHS_IMAG_INFINITE]], fp128 0xL00000000000000003FFF000000000000, fp128 0xL0000000000000000000000000000000084! IMPRVD: %[[RHS_IMAG_IS_INF_WITH_SIGN:.*]] = call fp128 @llvm.copysign.f128(fp128 %[[RHS_IMAG_IS_INF]], fp128 %[[RHS_IMAG]])85! IMPRVD: %[[RHS_REAL_IS_INF_WITH_SIGN_TIMES_LHS_REAL:.*]] = fmul contract fp128 %[[LHS_REAL]], %[[RHS_REAL_IS_INF_WITH_SIGN]]86! IMPRVD: %[[RHS_IMAG_IS_INF_WITH_SIGN_TIMES_LHS_IMAG:.*]] = fmul contract fp128 %[[LHS_IMAG]], %[[RHS_IMAG_IS_INF_WITH_SIGN]]87! IMPRVD: %[[ZERO_MULTIPLICATOR_1:.*]] = fadd contract fp128 %[[RHS_REAL_IS_INF_WITH_SIGN_TIMES_LHS_REAL]], %[[RHS_IMAG_IS_INF_WITH_SIGN_TIMES_LHS_IMAG]]88! IMPRVD: %[[RESULT_REAL_4:.*]] = fmul contract fp128 %[[ZERO_MULTIPLICATOR_1]], 0xL0000000000000000000000000000000089! IMPRVD: %[[RHS_REAL_IS_INF_WITH_SIGN_TIMES_LHS_IMAG:.*]] = fmul contract fp128 %[[LHS_IMAG]], %[[RHS_REAL_IS_INF_WITH_SIGN]]90! IMPRVD: %[[RHS_IMAG_IS_INF_WITH_SIGN_TIMES_LHS_REAL:.*]] = fmul contract fp128 %[[LHS_REAL]], %[[RHS_IMAG_IS_INF_WITH_SIGN]]91! IMPRVD: %[[ZERO_MULTIPLICATOR_2:.*]] = fsub contract fp128 %[[RHS_REAL_IS_INF_WITH_SIGN_TIMES_LHS_IMAG]], %[[RHS_IMAG_IS_INF_WITH_SIGN_TIMES_LHS_REAL]]92! IMPRVD: %[[RESULT_IMAG_4:.*]] = fmul contract fp128 %[[ZERO_MULTIPLICATOR_2]], 0xL0000000000000000000000000000000093 94! IMPRVD: %[[REAL_ABS_SMALLER_THAN_IMAG_ABS:.*]] = fcmp olt fp128 %[[RHS_REAL_ABS]], %[[RHS_IMAG_ABS]]95! IMPRVD: %[[RESULT_REAL:.*]] = select i1 %[[REAL_ABS_SMALLER_THAN_IMAG_ABS]], fp128 %[[RESULT_REAL_1]], fp128 %[[RESULT_REAL_2]]96! IMPRVD: %[[RESULT_IMAG:.*]] = select i1 %[[REAL_ABS_SMALLER_THAN_IMAG_ABS]], fp128 %[[RESULT_IMAG_1]], fp128 %[[RESULT_IMAG_2]]97! IMPRVD: %[[RESULT_REAL_SPECIAL_CASE_3:.*]] = select i1 %[[FINITE_NUM_INFINITE_DENOM]], fp128 %[[RESULT_REAL_4]], fp128 %[[RESULT_REAL]]98! IMPRVD: %[[RESULT_IMAG_SPECIAL_CASE_3:.*]] = select i1 %[[FINITE_NUM_INFINITE_DENOM]], fp128 %[[RESULT_IMAG_4]], fp128 %[[RESULT_IMAG]]99! IMPRVD: %[[RESULT_REAL_SPECIAL_CASE_2:.*]] = select i1 %[[INF_NUM_FINITE_DENOM]], fp128 %[[RESULT_REAL_3]], fp128 %[[RESULT_REAL_SPECIAL_CASE_3]]100! IMPRVD: %[[RESULT_IMAG_SPECIAL_CASE_2:.*]] = select i1 %[[INF_NUM_FINITE_DENOM]], fp128 %[[RESULT_IMAG_3]], fp128 %[[RESULT_IMAG_SPECIAL_CASE_3]]101! IMPRVD: %[[RESULT_REAL_SPECIAL_CASE_1:.*]] = select i1 %[[RESULT_IS_INFINITY]], fp128 %[[INFINITY_RESULT_REAL]], fp128 %[[RESULT_REAL_SPECIAL_CASE_2]]102! IMPRVD: %[[RESULT_IMAG_SPECIAL_CASE_1:.*]] = select i1 %[[RESULT_IS_INFINITY]], fp128 %[[INFINITY_RESULT_IMAG]], fp128 %[[RESULT_IMAG_SPECIAL_CASE_2]]103! IMPRVD: %[[RESULT_REAL_IS_NAN:.*]] = fcmp uno fp128 %[[RESULT_REAL]], 0xL00000000000000000000000000000000104! IMPRVD: %[[RESULT_IMAG_IS_NAN:.*]] = fcmp uno fp128 %[[RESULT_IMAG]], 0xL00000000000000000000000000000000105! IMPRVD: %[[RESULT_IS_NAN:.*]] = and i1 %[[RESULT_REAL_IS_NAN]], %[[RESULT_IMAG_IS_NAN]]106! IMPRVD: %[[RESULT_REAL_WITH_SPECIAL_CASES:.*]] = select i1 %[[RESULT_IS_NAN]], fp128 %[[RESULT_REAL_SPECIAL_CASE_1]], fp128 %[[RESULT_REAL]]107! IMPRVD: %[[RESULT_IMAG_WITH_SPECIAL_CASES:.*]] = select i1 %[[RESULT_IS_NAN]], fp128 %[[RESULT_IMAG_SPECIAL_CASE_1]], fp128 %[[RESULT_IMAG]]108! IMPRVD: %[[RESULT_1:.*]] = insertvalue { fp128, fp128 } poison, fp128 %[[RESULT_REAL_WITH_SPECIAL_CASES]], 0109! IMPRVD: %[[RESULT_2:.*]] = insertvalue { fp128, fp128 } %[[RESULT_1]], fp128 %[[RESULT_IMAG_WITH_SPECIAL_CASES]], 1110! IMPRVD: store { fp128, fp128 } %[[RESULT_2]], ptr %[[RET]], align 16111 112! BASIC-DAG: %[[RHS_REAL_SQ:.*]] = fmul contract fp128 %[[RHS_REAL]], %[[RHS_REAL]]113! BASIC-DAG: %[[RHS_IMAG_SQ:.*]] = fmul contract fp128 %[[RHS_IMAG]], %[[RHS_IMAG]]114! BASIC: %[[SQ_NORM:.*]] = fadd contract fp128 %[[RHS_REAL_SQ]], %[[RHS_IMAG_SQ]]115! BASIC-DAG: %[[REAL_TMP_0:.*]] = fmul contract fp128 %[[LHS_REAL]], %[[RHS_REAL]]116! BASIC-DAG: %[[REAL_TMP_1:.*]] = fmul contract fp128 %[[LHS_IMAG]], %[[RHS_IMAG]]117! BASIC: %[[REAL_TMP_2:.*]] = fadd contract fp128 %[[REAL_TMP_0]], %[[REAL_TMP_1]]118! BASIC-DAG: %[[IMAG_TMP_0:.*]] = fmul contract fp128 %[[LHS_IMAG]], %[[RHS_REAL]]119! BASIC-DAG: %[[IMAG_TMP_1:.*]] = fmul contract fp128 %[[LHS_REAL]], %[[RHS_IMAG]]120! BASIC: %[[IMAG_TMP_2:.*]] = fsub contract fp128 %[[IMAG_TMP_0]], %[[IMAG_TMP_1]]121! BASIC: %[[REAL:.*]] = fdiv contract fp128 %[[REAL_TMP_2]], %[[SQ_NORM]]122! BASIC: %[[IMAG:.*]] = fdiv contract fp128 %[[IMAG_TMP_2]], %[[SQ_NORM]]123! BASIC: %[[RESULT_1:.*]] = insertvalue { fp128, fp128 } poison, fp128 %[[REAL]], 0124! BASIC: %[[RESULT_2:.*]] = insertvalue { fp128, fp128 } %[[RESULT_1]], fp128 %[[IMAG]], 1125! BASIC: store { fp128, fp128 } %[[RESULT_2]], ptr %[[RET]], align 16126 127! CHECK: ret void128subroutine div_test_quad(a,b,c)129 complex(kind=16) :: a, b, c130 a = b / c131end subroutine div_test_quad132