// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 4
// RUN: %clang_cc1 %s -O0 -emit-llvm -triple x86_64-unknown-unknown \
// RUN: -complex-range=improved -o - | FileCheck %s --check-prefix=IMPRVD

// IMPRVD-LABEL: define dso_local <2 x float> @div(
// IMPRVD-SAME: <2 x float> noundef [[A_COERCE:%.*]], <2 x float> noundef [[B_COERCE:%.*]]) #[[ATTR0:[0-9]+]] {
// IMPRVD-NEXT:  entry:
// IMPRVD-NEXT:    [[RETVAL:%.*]] = alloca { float, float }, align 4
// IMPRVD-NEXT:    [[A:%.*]] = alloca { float, float }, align 4
// IMPRVD-NEXT:    [[B:%.*]] = alloca { float, float }, align 4
// IMPRVD-NEXT:    store <2 x float> [[A_COERCE]], ptr [[A]], align 4
// IMPRVD-NEXT:    store <2 x float> [[B_COERCE]], ptr [[B]], align 4
// IMPRVD-NEXT:    [[A_REALP:%.*]] = getelementptr inbounds nuw { float, float }, ptr [[A]], i32 0, i32 0
// IMPRVD-NEXT:    [[A_REAL:%.*]] = load float, ptr [[A_REALP]], align 4
// IMPRVD-NEXT:    [[A_IMAGP:%.*]] = getelementptr inbounds nuw { float, float }, ptr [[A]], i32 0, i32 1
// IMPRVD-NEXT:    [[A_IMAG:%.*]] = load float, ptr [[A_IMAGP]], align 4
// IMPRVD-NEXT:    [[B_REALP:%.*]] = getelementptr inbounds nuw { float, float }, ptr [[B]], i32 0, i32 0
// IMPRVD-NEXT:    [[B_REAL:%.*]] = load float, ptr [[B_REALP]], align 4
// IMPRVD-NEXT:    [[B_IMAGP:%.*]] = getelementptr inbounds nuw { float, float }, ptr [[B]], i32 0, i32 1
// IMPRVD-NEXT:    [[B_IMAG:%.*]] = load float, ptr [[B_IMAGP]], align 4
// IMPRVD-NEXT:    [[TMP0:%.*]] = call float @llvm.fabs.f32(float [[B_REAL]])
// IMPRVD-NEXT:    [[TMP1:%.*]] = call float @llvm.fabs.f32(float [[B_IMAG]])
// IMPRVD-NEXT:    [[ABS_CMP:%.*]] = fcmp ugt float [[TMP0]], [[TMP1]]
// IMPRVD-NEXT:    br i1 [[ABS_CMP]], label [[ABS_RHSR_GREATER_OR_EQUAL_ABS_RHSI:%.*]], label [[ABS_RHSR_LESS_THAN_ABS_RHSI:%.*]]
// IMPRVD:       abs_rhsr_greater_or_equal_abs_rhsi:
// IMPRVD-NEXT:    [[TMP2:%.*]] = fdiv float [[B_IMAG]], [[B_REAL]]
// IMPRVD-NEXT:    [[TMP3:%.*]] = fmul float [[TMP2]], [[B_IMAG]]
// IMPRVD-NEXT:    [[TMP4:%.*]] = fadd float [[B_REAL]], [[TMP3]]
// IMPRVD-NEXT:    [[TMP5:%.*]] = fmul float [[A_IMAG]], [[TMP2]]
// IMPRVD-NEXT:    [[TMP6:%.*]] = fadd float [[A_REAL]], [[TMP5]]
// IMPRVD-NEXT:    [[TMP7:%.*]] = fdiv float [[TMP6]], [[TMP4]]
// IMPRVD-NEXT:    [[TMP8:%.*]] = fmul float [[A_REAL]], [[TMP2]]
// IMPRVD-NEXT:    [[TMP9:%.*]] = fsub float [[A_IMAG]], [[TMP8]]
// IMPRVD-NEXT:    [[TMP10:%.*]] = fdiv float [[TMP9]], [[TMP4]]
// IMPRVD-NEXT:    br label [[COMPLEX_DIV:%.*]]
// IMPRVD:       abs_rhsr_less_than_abs_rhsi:
// IMPRVD-NEXT:    [[TMP11:%.*]] = fdiv float [[B_REAL]], [[B_IMAG]]
// IMPRVD-NEXT:    [[TMP12:%.*]] = fmul float [[TMP11]], [[B_REAL]]
// IMPRVD-NEXT:    [[TMP13:%.*]] = fadd float [[B_IMAG]], [[TMP12]]
// IMPRVD-NEXT:    [[TMP14:%.*]] = fmul float [[A_REAL]], [[TMP11]]
// IMPRVD-NEXT:    [[TMP15:%.*]] = fadd float [[TMP14]], [[A_IMAG]]
// IMPRVD-NEXT:    [[TMP16:%.*]] = fdiv float [[TMP15]], [[TMP13]]
// IMPRVD-NEXT:    [[TMP17:%.*]] = fmul float [[A_IMAG]], [[TMP11]]
// IMPRVD-NEXT:    [[TMP18:%.*]] = fsub float [[TMP17]], [[A_REAL]]
// IMPRVD-NEXT:    [[TMP19:%.*]] = fdiv float [[TMP18]], [[TMP13]]
// IMPRVD-NEXT:    br label [[COMPLEX_DIV]]
// IMPRVD:       complex_div:
// IMPRVD-NEXT:    [[TMP20:%.*]] = phi float [ [[TMP7]], [[ABS_RHSR_GREATER_OR_EQUAL_ABS_RHSI]] ], [ [[TMP16]], [[ABS_RHSR_LESS_THAN_ABS_RHSI]] ]
// IMPRVD-NEXT:    [[TMP21:%.*]] = phi float [ [[TMP10]], [[ABS_RHSR_GREATER_OR_EQUAL_ABS_RHSI]] ], [ [[TMP19]], [[ABS_RHSR_LESS_THAN_ABS_RHSI]] ]
// IMPRVD-NEXT:    [[RETVAL_REALP:%.*]] = getelementptr inbounds nuw { float, float }, ptr [[RETVAL]], i32 0, i32 0
// IMPRVD-NEXT:    [[RETVAL_IMAGP:%.*]] = getelementptr inbounds nuw { float, float }, ptr [[RETVAL]], i32 0, i32 1
// IMPRVD-NEXT:    store float [[TMP20]], ptr [[RETVAL_REALP]], align 4
// IMPRVD-NEXT:    store float [[TMP21]], ptr [[RETVAL_IMAGP]], align 4
// IMPRVD-NEXT:    [[TMP22:%.*]] = load <2 x float>, ptr [[RETVAL]], align 4
// IMPRVD-NEXT:    ret <2 x float> [[TMP22]]
//
_Complex float div(_Complex float a, _Complex float b) {
  return a / b;
}